diff --git a/lib/helpers/remote_radio_commands.dart b/lib/helpers/remote_radio_commands.dart
new file mode 100644
index 00000000..06059e2e
--- /dev/null
+++ b/lib/helpers/remote_radio_commands.dart
@@ -0,0 +1,102 @@
+import '../models/radio_preset.dart';
+
+// Radio presets on remote nodes (repeater, room server, sensor) through the
+// stock admin CLI (#733). Kept out of the screen so it can be tested.
+
+/// Default `tempradio` duration (owner decision on #662).
+const int kTempRadioDefaultMinutes = 1440;
+
+/// Longest `tempradio` duration that works. Firmware schedules the revert at
+/// `futureMillis(2000 + timeout_mins * 60 * 1000)` in a 32-bit int
+/// (simple_repeater/MyMesh.cpp), which overflows past this.
+const int kTempRadioMaxMinutes = 35791;
+
+String _bandwidthKHz(int bandwidthHz) => '${bandwidthHz / 1000}';
+
+/// Stock CLI: persist radio params (applied after a reboot).
+String setRadioCommand(
+  String frequencyText,
+  int bandwidthHz,
+  int spreadingFactor,
+  int codingRate,
+) =>
+    'set radio $frequencyText,${_bandwidthKHz(bandwidthHz)},'
+    '$spreadingFactor,$codingRate';
+
+/// Stock CLI: apply radio params now, reverting after [minutes]. Nothing is
+/// saved on the node. Coding rate is the 4/x denominator (4/5 is 5), which
+/// is what firmware range-checks (5-8).
+String tempRadioCommand(
+  String frequencyText,
+  int bandwidthHz,
+  int spreadingFactor,
+  int codingRate,
+  int minutes,
+) =>
+    'tempradio $frequencyText,${_bandwidthKHz(bandwidthHz)},'
+    '$spreadingFactor,$codingRate,$minutes';
+
+/// A valid `tempradio` duration in minutes (1 to [kTempRadioMaxMinutes]),
+/// or null.
+int? parseTempRadioMinutes(String text) {
+  final minutes = int.tryParse(text.trim());
+  if (minutes == null || minutes < 1 || minutes > kTempRadioMaxMinutes) {
+    return null;
+  }
+  return minutes;
+}
+
+/// `tempradio` retunes the node 2 s after it replies, so anything sent after
+/// it in the same save would go out on the old frequency. Keep the original
+/// order otherwise, with retuning commands moved to the end.
+List<T> withRetuneLast<T>(List<T> commands, bool Function(T) retunes) => [
+  ...commands.where((c) => !retunes(c)),
+  ...commands.where(retunes),
+];
+
+bool isRetuneCommand(String command) => command.startsWith('tempradio ');
+
+/// Stock CLI: path hash mode, zero-based (2 bytes = mode 1).
+String setPathHashModeCommand(int mode) => 'set path.hash.mode $mode';
+
+/// Whether a path hash that came from a preset goes out in this save (#735).
+/// Firmware has no temporary path hash, so with a temporary radio change it
+/// would outlive the revert; it stays pending for a normal save instead. A
+/// path hash the user set by hand is always sent.
+bool sendsPresetPathHash({
+  required bool temporaryRadio,
+  required bool pathHashFromPreset,
+}) => !(temporaryRadio && pathHashFromPreset);
+
+/// The preset whose radio values match the form's, or null for custom values.
+/// The form holds frequency as text (the repeater reports e.g. "908.205017"),
+/// so frequency matches to the nearest kHz. TX power is not compared: the
+/// remote screen sets it separately. A preset with a path hash only matches
+/// a node on that mode (#747): MeshCore's "Canada" and "USA" differ only there.
+String? matchRemotePresetId(
+  List<RadioPreset> presets, {
+  required String frequencyText,
+  required int? bandwidthHz,
+  required int? spreadingFactor,
+  required int? codingRate,
+  required int pathHashMode,
+}) {
+  final mhz = double.tryParse(frequencyText.trim());
+  if (mhz == null ||
+      bandwidthHz == null ||
+      spreadingFactor == null ||
+      codingRate == null) {
+    return null;
+  }
+  final khz = (mhz * 1000).round();
+  for (final p in presets) {
+    if (p.frequencyKHz == khz &&
+        p.bandwidth.hz == bandwidthHz &&
+        p.spreadingFactor.value == spreadingFactor &&
+        p.codingRate.value == codingRate &&
+        presetPathHashMatches(p, pathHashMode + 1)) {
+      return p.id;
+    }
+  }
+  return null;
+}
diff --git a/lib/l10n/app_en.arb b/lib/l10n/app_en.arb
index ae9d4130..1134a965 100644
--- a/lib/l10n/app_en.arb
+++ b/lib/l10n/app_en.arb
@@ -541,6 +541,7 @@
     }
   },
   "contacts_manageRepeater": "Manage Repeater",
+  "contacts_manageSensor": "Manage Sensor",
   "contacts_manageRoom": "Manage Room Server",
   "contacts_roomLogin": "Room Server Login",
   "contacts_openChat": "Open Chat",
@@ -1459,6 +1460,18 @@
   "repeater_bandwidth": "Bandwidth",
   "repeater_spreadingFactor": "Spreading Factor",
   "repeater_codingRate": "Coding Rate",
+  "repeater_tempRadio": "Apply temporarily",
+  "repeater_tempRadioSubtitle": "Uses tempradio: the node switches now and goes back to its saved radio settings after the duration. Nothing is saved on the node.",
+  "repeater_tempRadioMinutes": "Duration (minutes)",
+  "repeater_tempRadioPathHashNote": "This preset's path hash size isn't applied with a temporary change: the node can't revert it on its own. It stays pending for a normal save.",
+  "repeater_tempRadioMinutesInvalid": "1 to {max} minutes",
+  "@repeater_tempRadioMinutesInvalid": {
+    "placeholders": {
+      "max": {
+        "type": "int"
+      }
+    }
+  },
   "repeater_locationSettings": "Location Settings",
   "repeater_latitude": "Latitude",
   "repeater_latitudeHelper": "Decimal degrees (e.g., 37.7749)",
diff --git a/lib/l10n/app_localizations.dart b/lib/l10n/app_localizations.dart
index 57001df4..986178b4 100644
--- a/lib/l10n/app_localizations.dart
+++ b/lib/l10n/app_localizations.dart
@@ -2182,6 +2182,12 @@ abstract class AppLocalizations {
   /// **'Manage Repeater'**
   String get contacts_manageRepeater;
 
+  /// No description provided for @contacts_manageSensor.
+  ///
+  /// In en, this message translates to:
+  /// **'Manage Sensor'**
+  String get contacts_manageSensor;
+
   /// No description provided for @contacts_manageRoom.
   ///
   /// In en, this message translates to:
@@ -4688,6 +4694,36 @@ abstract class AppLocalizations {
   /// **'Coding Rate'**
   String get repeater_codingRate;
 
+  /// No description provided for @repeater_tempRadio.
+  ///
+  /// In en, this message translates to:
+  /// **'Apply temporarily'**
+  String get repeater_tempRadio;
+
+  /// No description provided for @repeater_tempRadioSubtitle.
+  ///
+  /// In en, this message translates to:
+  /// **'Uses tempradio: the node switches now and goes back to its saved radio settings after the duration. Nothing is saved on the node.'**
+  String get repeater_tempRadioSubtitle;
+
+  /// No description provided for @repeater_tempRadioMinutes.
+  ///
+  /// In en, this message translates to:
+  /// **'Duration (minutes)'**
+  String get repeater_tempRadioMinutes;
+
+  /// No description provided for @repeater_tempRadioPathHashNote.
+  ///
+  /// In en, this message translates to:
+  /// **'This preset\'s path hash size isn\'t applied with a temporary change: the node can\'t revert it on its own. It stays pending for a normal save.'**
+  String get repeater_tempRadioPathHashNote;
+
+  /// No description provided for @repeater_tempRadioMinutesInvalid.
+  ///
+  /// In en, this message translates to:
+  /// **'1 to {max} minutes'**
+  String repeater_tempRadioMinutesInvalid(int max);
+
   /// No description provided for @repeater_locationSettings.
   ///
   /// In en, this message translates to:
diff --git a/lib/l10n/app_localizations_bg.dart b/lib/l10n/app_localizations_bg.dart
index 784e4a3e..64b5d55e 100644
--- a/lib/l10n/app_localizations_bg.dart
+++ b/lib/l10n/app_localizations_bg.dart
@@ -1176,6 +1176,9 @@ class AppLocalizationsBg extends AppLocalizations {
   @override
   String get contacts_manageRepeater => 'Управление на Повтарящ се Елемент';
 
+  @override
+  String get contacts_manageSensor => 'Manage Sensor';
+
   @override
   String get contacts_manageRoom => 'Управление на сървър за стая';
 
@@ -2654,6 +2657,25 @@ class AppLocalizationsBg extends AppLocalizations {
   @override
   String get repeater_codingRate => 'Такса за кодиране';
 
+  @override
+  String get repeater_tempRadio => 'Apply temporarily';
+
+  @override
+  String get repeater_tempRadioSubtitle =>
+      'Uses tempradio: the node switches now and goes back to its saved radio settings after the duration. Nothing is saved on the node.';
+
+  @override
+  String get repeater_tempRadioMinutes => 'Duration (minutes)';
+
+  @override
+  String get repeater_tempRadioPathHashNote =>
+      'This preset\'s path hash size isn\'t applied with a temporary change: the node can\'t revert it on its own. It stays pending for a normal save.';
+
+  @override
+  String repeater_tempRadioMinutesInvalid(int max) {
+    return '1 to $max minutes';
+  }
+
   @override
   String get repeater_locationSettings => 'Настройки на местоположението';
 
diff --git a/lib/l10n/app_localizations_de.dart b/lib/l10n/app_localizations_de.dart
index 5b4d83e3..a15d7ac0 100644
--- a/lib/l10n/app_localizations_de.dart
+++ b/lib/l10n/app_localizations_de.dart
@@ -1171,6 +1171,9 @@ class AppLocalizationsDe extends AppLocalizations {
   @override
   String get contacts_manageRepeater => 'Repeater verwalten';
 
+  @override
+  String get contacts_manageSensor => 'Manage Sensor';
+
   @override
   String get contacts_manageRoom => 'Raum-Server verwalten';
 
@@ -2649,6 +2652,25 @@ class AppLocalizationsDe extends AppLocalizations {
   @override
   String get repeater_codingRate => 'Kodierungsrate';
 
+  @override
+  String get repeater_tempRadio => 'Apply temporarily';
+
+  @override
+  String get repeater_tempRadioSubtitle =>
+      'Uses tempradio: the node switches now and goes back to its saved radio settings after the duration. Nothing is saved on the node.';
+
+  @override
+  String get repeater_tempRadioMinutes => 'Duration (minutes)';
+
+  @override
+  String get repeater_tempRadioPathHashNote =>
+      'This preset\'s path hash size isn\'t applied with a temporary change: the node can\'t revert it on its own. It stays pending for a normal save.';
+
+  @override
+  String repeater_tempRadioMinutesInvalid(int max) {
+    return '1 to $max minutes';
+  }
+
   @override
   String get repeater_locationSettings => 'Standort Einstellungen';
 
diff --git a/lib/l10n/app_localizations_en.dart b/lib/l10n/app_localizations_en.dart
index d52671e9..57677e4f 100644
--- a/lib/l10n/app_localizations_en.dart
+++ b/lib/l10n/app_localizations_en.dart
@@ -1155,6 +1155,9 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get contacts_manageRepeater => 'Manage Repeater';
 
+  @override
+  String get contacts_manageSensor => 'Manage Sensor';
+
   @override
   String get contacts_manageRoom => 'Manage Room Server';
 
@@ -2605,6 +2608,25 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get repeater_codingRate => 'Coding Rate';
 
+  @override
+  String get repeater_tempRadio => 'Apply temporarily';
+
+  @override
+  String get repeater_tempRadioSubtitle =>
+      'Uses tempradio: the node switches now and goes back to its saved radio settings after the duration. Nothing is saved on the node.';
+
+  @override
+  String get repeater_tempRadioMinutes => 'Duration (minutes)';
+
+  @override
+  String get repeater_tempRadioPathHashNote =>
+      'This preset\'s path hash size isn\'t applied with a temporary change: the node can\'t revert it on its own. It stays pending for a normal save.';
+
+  @override
+  String repeater_tempRadioMinutesInvalid(int max) {
+    return '1 to $max minutes';
+  }
+
   @override
   String get repeater_locationSettings => 'Location Settings';
 
diff --git a/lib/l10n/app_localizations_es.dart b/lib/l10n/app_localizations_es.dart
index a39262f2..4eec6a4b 100644
--- a/lib/l10n/app_localizations_es.dart
+++ b/lib/l10n/app_localizations_es.dart
@@ -1170,6 +1170,9 @@ class AppLocalizationsEs extends AppLocalizations {
   @override
   String get contacts_manageRepeater => 'Gestionar Repetidor';
 
+  @override
+  String get contacts_manageSensor => 'Manage Sensor';
+
   @override
   String get contacts_manageRoom => 'Gestionar Servidor de Habitación';
 
@@ -2646,6 +2649,25 @@ class AppLocalizationsEs extends AppLocalizations {
   @override
   String get repeater_codingRate => 'Tasa de Programación';
 
+  @override
+  String get repeater_tempRadio => 'Apply temporarily';
+
+  @override
+  String get repeater_tempRadioSubtitle =>
+      'Uses tempradio: the node switches now and goes back to its saved radio settings after the duration. Nothing is saved on the node.';
+
+  @override
+  String get repeater_tempRadioMinutes => 'Duration (minutes)';
+
+  @override
+  String get repeater_tempRadioPathHashNote =>
+      'This preset\'s path hash size isn\'t applied with a temporary change: the node can\'t revert it on its own. It stays pending for a normal save.';
+
+  @override
+  String repeater_tempRadioMinutesInvalid(int max) {
+    return '1 to $max minutes';
+  }
+
   @override
   String get repeater_locationSettings => 'Configuración de Ubicación';
 
diff --git a/lib/l10n/app_localizations_fr.dart b/lib/l10n/app_localizations_fr.dart
index 40d259e3..ad6c704c 100644
--- a/lib/l10n/app_localizations_fr.dart
+++ b/lib/l10n/app_localizations_fr.dart
@@ -1176,6 +1176,9 @@ class AppLocalizationsFr extends AppLocalizations {
   @override
   String get contacts_manageRepeater => 'Gérer le répéteur';
 
+  @override
+  String get contacts_manageSensor => 'Manage Sensor';
+
   @override
   String get contacts_manageRoom => 'Gérer le Room Server';
 
@@ -2658,6 +2661,25 @@ class AppLocalizationsFr extends AppLocalizations {
   @override
   String get repeater_codingRate => 'Taux de codage (CR)';
 
+  @override
+  String get repeater_tempRadio => 'Apply temporarily';
+
+  @override
+  String get repeater_tempRadioSubtitle =>
+      'Uses tempradio: the node switches now and goes back to its saved radio settings after the duration. Nothing is saved on the node.';
+
+  @override
+  String get repeater_tempRadioMinutes => 'Duration (minutes)';
+
+  @override
+  String get repeater_tempRadioPathHashNote =>
+      'This preset\'s path hash size isn\'t applied with a temporary change: the node can\'t revert it on its own. It stays pending for a normal save.';
+
+  @override
+  String repeater_tempRadioMinutesInvalid(int max) {
+    return '1 to $max minutes';
+  }
+
   @override
   String get repeater_locationSettings => 'Paramètres de localisation';
 
diff --git a/lib/l10n/app_localizations_hu.dart b/lib/l10n/app_localizations_hu.dart
index 62dc23ae..1a39cda4 100644
--- a/lib/l10n/app_localizations_hu.dart
+++ b/lib/l10n/app_localizations_hu.dart
@@ -1177,6 +1177,9 @@ class AppLocalizationsHu extends AppLocalizations {
   @override
   String get contacts_manageRepeater => 'Ellenőriző eszköz kezelése';
 
+  @override
+  String get contacts_manageSensor => 'Manage Sensor';
+
   @override
   String get contacts_manageRoom => 'A szobai szerver kezelése';
 
@@ -2662,6 +2665,25 @@ class AppLocalizationsHu extends AppLocalizations {
   @override
   String get repeater_codingRate => 'Kódolási sebesség';
 
+  @override
+  String get repeater_tempRadio => 'Apply temporarily';
+
+  @override
+  String get repeater_tempRadioSubtitle =>
+      'Uses tempradio: the node switches now and goes back to its saved radio settings after the duration. Nothing is saved on the node.';
+
+  @override
+  String get repeater_tempRadioMinutes => 'Duration (minutes)';
+
+  @override
+  String get repeater_tempRadioPathHashNote =>
+      'This preset\'s path hash size isn\'t applied with a temporary change: the node can\'t revert it on its own. It stays pending for a normal save.';
+
+  @override
+  String repeater_tempRadioMinutesInvalid(int max) {
+    return '1 to $max minutes';
+  }
+
   @override
   String get repeater_locationSettings => 'Helyszínbeállítások';
 
diff --git a/lib/l10n/app_localizations_it.dart b/lib/l10n/app_localizations_it.dart
index 9953f25d..4505a900 100644
--- a/lib/l10n/app_localizations_it.dart
+++ b/lib/l10n/app_localizations_it.dart
@@ -1172,6 +1172,9 @@ class AppLocalizationsIt extends AppLocalizations {
   @override
   String get contacts_manageRepeater => 'Gestisci Ripetitore';
 
+  @override
+  String get contacts_manageSensor => 'Manage Sensor';
+
   @override
   String get contacts_manageRoom => 'Gestisci Server Camera';
 
@@ -2650,6 +2653,25 @@ class AppLocalizationsIt extends AppLocalizations {
   @override
   String get repeater_codingRate => 'Tasso di Codifica';
 
+  @override
+  String get repeater_tempRadio => 'Apply temporarily';
+
+  @override
+  String get repeater_tempRadioSubtitle =>
+      'Uses tempradio: the node switches now and goes back to its saved radio settings after the duration. Nothing is saved on the node.';
+
+  @override
+  String get repeater_tempRadioMinutes => 'Duration (minutes)';
+
+  @override
+  String get repeater_tempRadioPathHashNote =>
+      'This preset\'s path hash size isn\'t applied with a temporary change: the node can\'t revert it on its own. It stays pending for a normal save.';
+
+  @override
+  String repeater_tempRadioMinutesInvalid(int max) {
+    return '1 to $max minutes';
+  }
+
   @override
   String get repeater_locationSettings => 'Impostazioni Luogo';
 
diff --git a/lib/l10n/app_localizations_ja.dart b/lib/l10n/app_localizations_ja.dart
index 04572b59..c828620c 100644
--- a/lib/l10n/app_localizations_ja.dart
+++ b/lib/l10n/app_localizations_ja.dart
@@ -1124,6 +1124,9 @@ class AppLocalizationsJa extends AppLocalizations {
   @override
   String get contacts_manageRepeater => 'リピーターの管理';
 
+  @override
+  String get contacts_manageSensor => 'Manage Sensor';
+
   @override
   String get contacts_manageRoom => 'ルームサーバーの管理';
 
@@ -2556,6 +2559,25 @@ class AppLocalizationsJa extends AppLocalizations {
   @override
   String get repeater_codingRate => 'コーディング速度';
 
+  @override
+  String get repeater_tempRadio => 'Apply temporarily';
+
+  @override
+  String get repeater_tempRadioSubtitle =>
+      'Uses tempradio: the node switches now and goes back to its saved radio settings after the duration. Nothing is saved on the node.';
+
+  @override
+  String get repeater_tempRadioMinutes => 'Duration (minutes)';
+
+  @override
+  String get repeater_tempRadioPathHashNote =>
+      'This preset\'s path hash size isn\'t applied with a temporary change: the node can\'t revert it on its own. It stays pending for a normal save.';
+
+  @override
+  String repeater_tempRadioMinutesInvalid(int max) {
+    return '1 to $max minutes';
+  }
+
   @override
   String get repeater_locationSettings => '場所設定';
 
diff --git a/lib/l10n/app_localizations_ko.dart b/lib/l10n/app_localizations_ko.dart
index 30753a94..94593ed4 100644
--- a/lib/l10n/app_localizations_ko.dart
+++ b/lib/l10n/app_localizations_ko.dart
@@ -1119,6 +1119,9 @@ class AppLocalizationsKo extends AppLocalizations {
   @override
   String get contacts_manageRepeater => '리피터 관리';
 
+  @override
+  String get contacts_manageSensor => 'Manage Sensor';
+
   @override
   String get contacts_manageRoom => '방 서버 관리';
 
@@ -2553,6 +2556,25 @@ class AppLocalizationsKo extends AppLocalizations {
   @override
   String get repeater_codingRate => '코딩 속도';
 
+  @override
+  String get repeater_tempRadio => 'Apply temporarily';
+
+  @override
+  String get repeater_tempRadioSubtitle =>
+      'Uses tempradio: the node switches now and goes back to its saved radio settings after the duration. Nothing is saved on the node.';
+
+  @override
+  String get repeater_tempRadioMinutes => 'Duration (minutes)';
+
+  @override
+  String get repeater_tempRadioPathHashNote =>
+      'This preset\'s path hash size isn\'t applied with a temporary change: the node can\'t revert it on its own. It stays pending for a normal save.';
+
+  @override
+  String repeater_tempRadioMinutesInvalid(int max) {
+    return '1 to $max minutes';
+  }
+
   @override
   String get repeater_locationSettings => '위치 설정';
 
diff --git a/lib/l10n/app_localizations_nl.dart b/lib/l10n/app_localizations_nl.dart
index c8007b6b..3bf04ea4 100644
--- a/lib/l10n/app_localizations_nl.dart
+++ b/lib/l10n/app_localizations_nl.dart
@@ -1165,6 +1165,9 @@ class AppLocalizationsNl extends AppLocalizations {
   @override
   String get contacts_manageRepeater => 'Beheer Repeater';
 
+  @override
+  String get contacts_manageSensor => 'Manage Sensor';
+
   @override
   String get contacts_manageRoom => 'Beheer Ruimte Server';
 
@@ -2633,6 +2636,25 @@ class AppLocalizationsNl extends AppLocalizations {
   @override
   String get repeater_codingRate => 'Codeertarief';
 
+  @override
+  String get repeater_tempRadio => 'Apply temporarily';
+
+  @override
+  String get repeater_tempRadioSubtitle =>
+      'Uses tempradio: the node switches now and goes back to its saved radio settings after the duration. Nothing is saved on the node.';
+
+  @override
+  String get repeater_tempRadioMinutes => 'Duration (minutes)';
+
+  @override
+  String get repeater_tempRadioPathHashNote =>
+      'This preset\'s path hash size isn\'t applied with a temporary change: the node can\'t revert it on its own. It stays pending for a normal save.';
+
+  @override
+  String repeater_tempRadioMinutesInvalid(int max) {
+    return '1 to $max minutes';
+  }
+
   @override
   String get repeater_locationSettings => 'Locatie-instellingen';
 
diff --git a/lib/l10n/app_localizations_pl.dart b/lib/l10n/app_localizations_pl.dart
index f744df37..c3640e5f 100644
--- a/lib/l10n/app_localizations_pl.dart
+++ b/lib/l10n/app_localizations_pl.dart
@@ -1182,6 +1182,9 @@ class AppLocalizationsPl extends AppLocalizations {
   @override
   String get contacts_manageRepeater => 'Zarządzaj przekaźnikiem';
 
+  @override
+  String get contacts_manageSensor => 'Manage Sensor';
+
   @override
   String get contacts_manageRoom => 'Zarządzaj Serwerem Pokoju';
 
@@ -2664,6 +2667,25 @@ class AppLocalizationsPl extends AppLocalizations {
   @override
   String get repeater_codingRate => 'Współczynnik kodowania';
 
+  @override
+  String get repeater_tempRadio => 'Apply temporarily';
+
+  @override
+  String get repeater_tempRadioSubtitle =>
+      'Uses tempradio: the node switches now and goes back to its saved radio settings after the duration. Nothing is saved on the node.';
+
+  @override
+  String get repeater_tempRadioMinutes => 'Duration (minutes)';
+
+  @override
+  String get repeater_tempRadioPathHashNote =>
+      'This preset\'s path hash size isn\'t applied with a temporary change: the node can\'t revert it on its own. It stays pending for a normal save.';
+
+  @override
+  String repeater_tempRadioMinutesInvalid(int max) {
+    return '1 to $max minutes';
+  }
+
   @override
   String get repeater_locationSettings => 'Ustawienia Lokalizacji';
 
diff --git a/lib/l10n/app_localizations_pt.dart b/lib/l10n/app_localizations_pt.dart
index 6d8b8db1..b6e9cfa1 100644
--- a/lib/l10n/app_localizations_pt.dart
+++ b/lib/l10n/app_localizations_pt.dart
@@ -1172,6 +1172,9 @@ class AppLocalizationsPt extends AppLocalizations {
   @override
   String get contacts_manageRepeater => 'Gerenciar Repetidor';
 
+  @override
+  String get contacts_manageSensor => 'Manage Sensor';
+
   @override
   String get contacts_manageRoom => 'Gerenciar Servidor de Sala';
 
@@ -2644,6 +2647,25 @@ class AppLocalizationsPt extends AppLocalizations {
   @override
   String get repeater_codingRate => 'Taxa de Codificação';
 
+  @override
+  String get repeater_tempRadio => 'Apply temporarily';
+
+  @override
+  String get repeater_tempRadioSubtitle =>
+      'Uses tempradio: the node switches now and goes back to its saved radio settings after the duration. Nothing is saved on the node.';
+
+  @override
+  String get repeater_tempRadioMinutes => 'Duration (minutes)';
+
+  @override
+  String get repeater_tempRadioPathHashNote =>
+      'This preset\'s path hash size isn\'t applied with a temporary change: the node can\'t revert it on its own. It stays pending for a normal save.';
+
+  @override
+  String repeater_tempRadioMinutesInvalid(int max) {
+    return '1 to $max minutes';
+  }
+
   @override
   String get repeater_locationSettings => 'Configurações de Localização';
 
diff --git a/lib/l10n/app_localizations_ru.dart b/lib/l10n/app_localizations_ru.dart
index d851b30a..400c0d67 100644
--- a/lib/l10n/app_localizations_ru.dart
+++ b/lib/l10n/app_localizations_ru.dart
@@ -1173,6 +1173,9 @@ class AppLocalizationsRu extends AppLocalizations {
   @override
   String get contacts_manageRepeater => 'Управление репитером';
 
+  @override
+  String get contacts_manageSensor => 'Manage Sensor';
+
   @override
   String get contacts_manageRoom => 'Управление сервером комнат';
 
@@ -2650,6 +2653,25 @@ class AppLocalizationsRu extends AppLocalizations {
   @override
   String get repeater_codingRate => 'Коэффициент кодирования';
 
+  @override
+  String get repeater_tempRadio => 'Apply temporarily';
+
+  @override
+  String get repeater_tempRadioSubtitle =>
+      'Uses tempradio: the node switches now and goes back to its saved radio settings after the duration. Nothing is saved on the node.';
+
+  @override
+  String get repeater_tempRadioMinutes => 'Duration (minutes)';
+
+  @override
+  String get repeater_tempRadioPathHashNote =>
+      'This preset\'s path hash size isn\'t applied with a temporary change: the node can\'t revert it on its own. It stays pending for a normal save.';
+
+  @override
+  String repeater_tempRadioMinutesInvalid(int max) {
+    return '1 to $max minutes';
+  }
+
   @override
   String get repeater_locationSettings => 'Настройки местоположения';
 
diff --git a/lib/l10n/app_localizations_sk.dart b/lib/l10n/app_localizations_sk.dart
index 6c4b847c..badbffd8 100644
--- a/lib/l10n/app_localizations_sk.dart
+++ b/lib/l10n/app_localizations_sk.dart
@@ -1162,6 +1162,9 @@ class AppLocalizationsSk extends AppLocalizations {
   @override
   String get contacts_manageRepeater => 'Spravovať opakované zoznamy';
 
+  @override
+  String get contacts_manageSensor => 'Manage Sensor';
+
   @override
   String get contacts_manageRoom => 'Spravovať server miestnosti';
 
@@ -2636,6 +2639,25 @@ class AppLocalizationsSk extends AppLocalizations {
   @override
   String get repeater_codingRate => 'Rýchlosť kódovania';
 
+  @override
+  String get repeater_tempRadio => 'Apply temporarily';
+
+  @override
+  String get repeater_tempRadioSubtitle =>
+      'Uses tempradio: the node switches now and goes back to its saved radio settings after the duration. Nothing is saved on the node.';
+
+  @override
+  String get repeater_tempRadioMinutes => 'Duration (minutes)';
+
+  @override
+  String get repeater_tempRadioPathHashNote =>
+      'This preset\'s path hash size isn\'t applied with a temporary change: the node can\'t revert it on its own. It stays pending for a normal save.';
+
+  @override
+  String repeater_tempRadioMinutesInvalid(int max) {
+    return '1 to $max minutes';
+  }
+
   @override
   String get repeater_locationSettings => 'Nastavenia polohy';
 
diff --git a/lib/l10n/app_localizations_sl.dart b/lib/l10n/app_localizations_sl.dart
index 11c4fe94..56178ea9 100644
--- a/lib/l10n/app_localizations_sl.dart
+++ b/lib/l10n/app_localizations_sl.dart
@@ -1161,6 +1161,9 @@ class AppLocalizationsSl extends AppLocalizations {
   @override
   String get contacts_manageRepeater => 'Upravljaj Ponovitve';
 
+  @override
+  String get contacts_manageSensor => 'Manage Sensor';
+
   @override
   String get contacts_manageRoom => 'Upravljajte strežnik sobe';
 
@@ -2632,6 +2635,25 @@ class AppLocalizationsSl extends AppLocalizations {
   @override
   String get repeater_codingRate => 'Programska hitrost';
 
+  @override
+  String get repeater_tempRadio => 'Apply temporarily';
+
+  @override
+  String get repeater_tempRadioSubtitle =>
+      'Uses tempradio: the node switches now and goes back to its saved radio settings after the duration. Nothing is saved on the node.';
+
+  @override
+  String get repeater_tempRadioMinutes => 'Duration (minutes)';
+
+  @override
+  String get repeater_tempRadioPathHashNote =>
+      'This preset\'s path hash size isn\'t applied with a temporary change: the node can\'t revert it on its own. It stays pending for a normal save.';
+
+  @override
+  String repeater_tempRadioMinutesInvalid(int max) {
+    return '1 to $max minutes';
+  }
+
   @override
   String get repeater_locationSettings => 'Nastavitve lokacije';
 
diff --git a/lib/l10n/app_localizations_sv.dart b/lib/l10n/app_localizations_sv.dart
index a1a7b3b8..4a37cf3d 100644
--- a/lib/l10n/app_localizations_sv.dart
+++ b/lib/l10n/app_localizations_sv.dart
@@ -1156,6 +1156,9 @@ class AppLocalizationsSv extends AppLocalizations {
   @override
   String get contacts_manageRepeater => 'Hantera Upprepare';
 
+  @override
+  String get contacts_manageSensor => 'Manage Sensor';
+
   @override
   String get contacts_manageRoom => 'Hantera Rumserver';
 
@@ -2621,6 +2624,25 @@ class AppLocalizationsSv extends AppLocalizations {
   @override
   String get repeater_codingRate => 'Kodningsgrad';
 
+  @override
+  String get repeater_tempRadio => 'Apply temporarily';
+
+  @override
+  String get repeater_tempRadioSubtitle =>
+      'Uses tempradio: the node switches now and goes back to its saved radio settings after the duration. Nothing is saved on the node.';
+
+  @override
+  String get repeater_tempRadioMinutes => 'Duration (minutes)';
+
+  @override
+  String get repeater_tempRadioPathHashNote =>
+      'This preset\'s path hash size isn\'t applied with a temporary change: the node can\'t revert it on its own. It stays pending for a normal save.';
+
+  @override
+  String repeater_tempRadioMinutesInvalid(int max) {
+    return '1 to $max minutes';
+  }
+
   @override
   String get repeater_locationSettings => 'Platsinställningar';
 
diff --git a/lib/l10n/app_localizations_uk.dart b/lib/l10n/app_localizations_uk.dart
index f51352f8..160e9216 100644
--- a/lib/l10n/app_localizations_uk.dart
+++ b/lib/l10n/app_localizations_uk.dart
@@ -1168,6 +1168,9 @@ class AppLocalizationsUk extends AppLocalizations {
   @override
   String get contacts_manageRepeater => 'Керувати ретранслятором';
 
+  @override
+  String get contacts_manageSensor => 'Manage Sensor';
+
   @override
   String get contacts_manageRoom => 'Керувати сервером кімнати';
 
@@ -2647,6 +2650,25 @@ class AppLocalizationsUk extends AppLocalizations {
   @override
   String get repeater_codingRate => 'Швидкість кодування';
 
+  @override
+  String get repeater_tempRadio => 'Apply temporarily';
+
+  @override
+  String get repeater_tempRadioSubtitle =>
+      'Uses tempradio: the node switches now and goes back to its saved radio settings after the duration. Nothing is saved on the node.';
+
+  @override
+  String get repeater_tempRadioMinutes => 'Duration (minutes)';
+
+  @override
+  String get repeater_tempRadioPathHashNote =>
+      'This preset\'s path hash size isn\'t applied with a temporary change: the node can\'t revert it on its own. It stays pending for a normal save.';
+
+  @override
+  String repeater_tempRadioMinutesInvalid(int max) {
+    return '1 to $max minutes';
+  }
+
   @override
   String get repeater_locationSettings => 'Налаштування геопозиції';
 
diff --git a/lib/l10n/app_localizations_zh.dart b/lib/l10n/app_localizations_zh.dart
index 485b30ee..5dba1640 100644
--- a/lib/l10n/app_localizations_zh.dart
+++ b/lib/l10n/app_localizations_zh.dart
@@ -1105,6 +1105,9 @@ class AppLocalizationsZh extends AppLocalizations {
   @override
   String get contacts_manageRepeater => '管理转发节点';
 
+  @override
+  String get contacts_manageSensor => 'Manage Sensor';
+
   @override
   String get contacts_manageRoom => '管理房间服务器';
 
@@ -2512,6 +2515,25 @@ class AppLocalizationsZh extends AppLocalizations {
   @override
   String get repeater_codingRate => '编码速率';
 
+  @override
+  String get repeater_tempRadio => 'Apply temporarily';
+
+  @override
+  String get repeater_tempRadioSubtitle =>
+      'Uses tempradio: the node switches now and goes back to its saved radio settings after the duration. Nothing is saved on the node.';
+
+  @override
+  String get repeater_tempRadioMinutes => 'Duration (minutes)';
+
+  @override
+  String get repeater_tempRadioPathHashNote =>
+      'This preset\'s path hash size isn\'t applied with a temporary change: the node can\'t revert it on its own. It stays pending for a normal save.';
+
+  @override
+  String repeater_tempRadioMinutesInvalid(int max) {
+    return '1 to $max minutes';
+  }
+
   @override
   String get repeater_locationSettings => '位置设置';
 
diff --git a/lib/screens/contacts_screen.dart b/lib/screens/contacts_screen.dart
index 379b29db..adc9899b 100644
--- a/lib/screens/contacts_screen.dart
+++ b/lib/screens/contacts_screen.dart
@@ -1509,6 +1509,20 @@ class _ContactsScreenState extends State<ContactsScreen>
                 },
               ),
             ] else ...[
+              // Sensors run the same admin login and CLI as repeaters
+              // (stock SensorMesh), so they share the repeater admin hub (#745).
+              if (contact.type == advTypeSensor)
+                ListTile(
+                  leading: const Icon(
+                    Icons.sensors_outlined,
+                    color: Colors.orange,
+                  ),
+                  title: Text(context.l10n.contacts_manageSensor),
+                  onTap: () {
+                    Navigator.pop(sheetContext);
+                    _showRepeaterLogin(context, contact);
+                  },
+                ),
               if (contact.pathLength > 0)
                 ListTile(
                   leading: const Icon(Icons.radar, color: Colors.green),
diff --git a/lib/screens/repeater_settings_screen.dart b/lib/screens/repeater_settings_screen.dart
index 8e5c8922..f1a87478 100644
--- a/lib/screens/repeater_settings_screen.dart
+++ b/lib/screens/repeater_settings_screen.dart
@@ -6,9 +6,13 @@ import '../l10n/l10n.dart';
 import '../models/contact.dart';
 import '../connector/meshcore_connector.dart';
 import '../connector/meshcore_protocol.dart';
+import '../models/radio_preset.dart';
+import '../services/radio_preset_service.dart';
 import '../services/repeater_command_service.dart';
 import '../services/storage_service.dart';
 import '../widgets/path_management_dialog.dart';
+import '../widgets/radio_preset_picker.dart';
+import '../helpers/remote_radio_commands.dart';
 import '../helpers/snack_bar_builder.dart';
 
 class RepeaterSettingsScreen extends StatefulWidget {
@@ -123,6 +127,12 @@ class _RepeaterSettingsScreenState extends State<RepeaterSettingsScreen> {
   int? _spreadingFactor;
   int? _codingRate;
 
+  /// Apply the radio params with `tempradio` (reverting after the duration)
+  /// instead of persisting them with `set radio` (#662).
+  bool _tempRadio = false;
+  final TextEditingController _tempRadioMinutesController =
+      TextEditingController(text: '$kTempRadioDefaultMinutes');
+
   // Location settings
   final TextEditingController _latController = TextEditingController();
   final TextEditingController _lonController = TextEditingController();
@@ -150,6 +160,9 @@ class _RepeaterSettingsScreenState extends State<RepeaterSettingsScreen> {
 
   // Advanced
   int _pathHashMode = 0; // 0-2
+
+  /// The pending path hash came from a preset rather than the user (#735).
+  bool _pathHashFromPreset = false;
   final TextEditingController _txDelayController = TextEditingController();
   final TextEditingController _directTxDelayController =
       TextEditingController();
@@ -185,8 +198,47 @@ class _RepeaterSettingsScreenState extends State<RepeaterSettingsScreen> {
     _commandService = RepeaterCommandService(connector);
     _setupMessageListener();
     _loadSettings();
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      if (!mounted) return;
+      Provider.of<RadioPresetService>(context, listen: false).refreshIfStale();
+    });
+  }
+
+  /// Fill the radio fields from a preset (#734). TX power is not part of a
+  /// remote preset: it is a separate command on these nodes.
+  void _applyPreset(RadioPreset preset) {
+    setState(() {
+      _freqController.text = preset.frequencyMHz.toStringAsFixed(3);
+      final bw = preset.bandwidth.hz;
+      if (!_bandwidthOptions.contains(bw)) {
+        _bandwidthOptions
+          ..add(bw)
+          ..sort();
+      }
+      _bandwidth = bw;
+      _spreadingFactor = preset.spreadingFactor.value;
+      _codingRate = preset.codingRate.value;
+      final hashMode = preset.pathHashMode;
+      if (hashMode != null) {
+        _pathHashMode = hashMode;
+        _pathHashFromPreset = true;
+      }
+    });
+    _markChanged(_SettingField.radio);
+    if (preset.pathHashMode != null) {
+      _markChanged(_SettingField.pathHashMode);
+    }
   }
 
+  String? _selectedPresetId(List<RadioPreset> presets) => matchRemotePresetId(
+    presets,
+    frequencyText: _freqController.text,
+    bandwidthHz: _bandwidth,
+    spreadingFactor: _spreadingFactor,
+    codingRate: _codingRate,
+    pathHashMode: _pathHashMode,
+  );
+
   @override
   void dispose() {
     _frameSubscription?.cancel();
@@ -196,6 +248,7 @@ class _RepeaterSettingsScreenState extends State<RepeaterSettingsScreen> {
     _guestPasswordController.dispose();
     _freqController.dispose();
     _txPowerController.dispose();
+    _tempRadioMinutesController.dispose();
     _latController.dispose();
     _lonController.dispose();
     _ownerInfoController.dispose();
@@ -709,6 +762,22 @@ class _RepeaterSettingsScreenState extends State<RepeaterSettingsScreen> {
     final connector = Provider.of<MeshCoreConnector>(context, listen: false);
     final repeater = _resolveRepeater(connector);
 
+    final tempRadioMinutes = parseTempRadioMinutes(
+      _tempRadioMinutesController.text,
+    );
+    if (_tempRadio &&
+        _dirtyFields.contains(_SettingField.radio) &&
+        tempRadioMinutes == null) {
+      showDismissibleSnackBar(
+        context,
+        content: Text(
+          context.l10n.repeater_tempRadioMinutesInvalid(kTempRadioMaxMinutes),
+        ),
+        backgroundColor: Colors.red,
+      );
+      return;
+    }
+
     setState(() {
       _isLoading = true;
     });
@@ -750,11 +819,22 @@ class _RepeaterSettingsScreenState extends State<RepeaterSettingsScreen> {
           _codingRate != null) {
         final freqText = _freqController.text.trim();
         if (double.tryParse(freqText) != null) {
-          final bwKHz = _bandwidth! / 1000;
           pending.add((
             field: _SettingField.radio,
-            command:
-                'set radio $freqText,$bwKHz,$_spreadingFactor,$_codingRate',
+            command: _tempRadio
+                ? tempRadioCommand(
+                    freqText,
+                    _bandwidth!,
+                    _spreadingFactor!,
+                    _codingRate!,
+                    tempRadioMinutes!,
+                  )
+                : setRadioCommand(
+                    freqText,
+                    _bandwidth!,
+                    _spreadingFactor!,
+                    _codingRate!,
+                  ),
           ));
         }
       }
@@ -846,10 +926,15 @@ class _RepeaterSettingsScreenState extends State<RepeaterSettingsScreen> {
           command: 'set owner.info $encoded',
         ));
       }
-      if (_dirtyFields.contains(_SettingField.pathHashMode)) {
+      final holdPresetPathHash = !sendsPresetPathHash(
+        temporaryRadio: _tempRadio,
+        pathHashFromPreset: _pathHashFromPreset,
+      );
+      if (_dirtyFields.contains(_SettingField.pathHashMode) &&
+          !holdPresetPathHash) {
         pending.add((
           field: _SettingField.pathHashMode,
-          command: 'set path.hash.mode $_pathHashMode',
+          command: setPathHashModeCommand(_pathHashMode),
         ));
       }
       if (_dirtyFields.contains(_SettingField.txDelay) &&
@@ -893,7 +978,10 @@ class _RepeaterSettingsScreenState extends State<RepeaterSettingsScreen> {
       final retainDirty = <_SettingField>{};
       var passwordsFailed = false;
       var rebootNeeded = false;
-      for (final entry in pending) {
+      for (final entry in withRetuneLast(
+        pending,
+        (e) => isRetuneCommand(e.command),
+      )) {
         var failed = false;
         try {
           final response = await _commandService!.sendCommand(
@@ -924,6 +1012,15 @@ class _RepeaterSettingsScreenState extends State<RepeaterSettingsScreen> {
         await Future.delayed(const Duration(milliseconds: 200));
       }
 
+      // A preset path hash held back from a temporary save stays pending,
+      // so a later normal save can still apply it.
+      if (holdPresetPathHash &&
+          _dirtyFields.contains(_SettingField.pathHashMode)) {
+        retainDirty.add(_SettingField.pathHashMode);
+      } else if (!retainDirty.contains(_SettingField.pathHashMode)) {
+        _pathHashFromPreset = false;
+      }
+
       // Only clear password fields if every password command succeeded,
       // otherwise the user keeps their typed value to retry.
       if (!passwordsFailed) {
@@ -1249,6 +1346,20 @@ class _RepeaterSettingsScreenState extends State<RepeaterSettingsScreen> {
               onRefresh: _refreshRadioSettings,
             ),
             const Divider(),
+            Consumer<RadioPresetService>(
+              builder: (context, service, _) {
+                final presets = service.presets
+                    .where((p) => !p.offGrid)
+                    .toList();
+                return RadioPresetPicker(
+                  service: service,
+                  presets: presets,
+                  selectedId: _selectedPresetId(presets),
+                  onSelected: _applyPreset,
+                );
+              },
+            ),
+            const SizedBox(height: 8),
             TextField(
               controller: _freqController,
               decoration: InputDecoration(
@@ -1347,6 +1458,43 @@ class _RepeaterSettingsScreenState extends State<RepeaterSettingsScreen> {
                 }
               },
             ),
+            CheckboxListTile(
+              contentPadding: EdgeInsets.zero,
+              controlAffinity: ListTileControlAffinity.leading,
+              title: Text(l10n.repeater_tempRadio),
+              subtitle: Text(l10n.repeater_tempRadioSubtitle),
+              value: _tempRadio,
+              onChanged: (value) {
+                setState(() => _tempRadio = value ?? false);
+                _markChanged(_SettingField.radio);
+              },
+            ),
+            if (_tempRadio)
+              TextField(
+                controller: _tempRadioMinutesController,
+                decoration: InputDecoration(
+                  labelText: l10n.repeater_tempRadioMinutes,
+                  helperText: l10n.repeater_tempRadioMinutesInvalid(
+                    kTempRadioMaxMinutes,
+                  ),
+                  border: const OutlineInputBorder(),
+                  suffixText: 'min',
+                ),
+                keyboardType: TextInputType.number,
+                onChanged: (_) => _markChanged(_SettingField.radio),
+              ),
+            if (_tempRadio &&
+                _pathHashFromPreset &&
+                _dirtyFields.contains(_SettingField.pathHashMode))
+              Padding(
+                padding: const EdgeInsets.only(top: 8),
+                child: Text(
+                  l10n.repeater_tempRadioPathHashNote,
+                  style: Theme.of(context).textTheme.bodySmall?.copyWith(
+                    color: Theme.of(context).colorScheme.onSurfaceVariant,
+                  ),
+                ),
+              ),
             const SizedBox(height: 8),
             _buildFeatureToggleRow(
               title: l10n.repeater_rxGain,
@@ -1976,7 +2124,10 @@ class _RepeaterSettingsScreenState extends State<RepeaterSettingsScreen> {
                   ],
                   onChanged: (v) {
                     if (v != null) {
-                      setState(() => _pathHashMode = v);
+                      setState(() {
+                        _pathHashMode = v;
+                        _pathHashFromPreset = false;
+                      });
                       _markChanged(_SettingField.pathHashMode);
                     }
                   },
diff --git a/test/helpers/remote_radio_commands_test.dart b/test/helpers/remote_radio_commands_test.dart
new file mode 100644
index 00000000..f11eadd4
--- /dev/null
+++ b/test/helpers/remote_radio_commands_test.dart
@@ -0,0 +1,256 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:meshcore_open/helpers/remote_radio_commands.dart';
+import 'package:meshcore_open/models/radio_preset.dart';
+import 'package:meshcore_open/models/radio_settings.dart';
+
+RadioPreset preset(
+  String id, {
+  double mhz = 908.205,
+  LoRaBandwidth bw = LoRaBandwidth.bw62_5,
+  LoRaSpreadingFactor sf = LoRaSpreadingFactor.sf9,
+  LoRaCodingRate cr = LoRaCodingRate.cr4_8,
+  int? tx,
+  int? hashBytes,
+}) => RadioPreset(
+  id: id,
+  title: id,
+  region: 'USA',
+  frequencyMHz: mhz,
+  bandwidth: bw,
+  spreadingFactor: sf,
+  codingRate: cr,
+  source: RadioPresetSource.offband,
+  txPowerDbm: tx,
+  pathHashBytes: hashBytes,
+);
+
+void main() {
+  group('remote radio commands (#662)', () {
+    test('set radio keeps its existing format', () {
+      expect(
+        setRadioCommand('908.205', 62500, 9, 8),
+        'set radio 908.205,62.5,9,8',
+      );
+    });
+
+    test('tempradio carries the values of the OKI-published command', () {
+      // docs.okimesh.org 500kHz-testing: tempradio 909.750,500,10,5,1440.
+      // "500.0" and "500" parse to the same bandwidth (firmware strtof,
+      // CommonCLI.cpp tempradio handler).
+      expect(
+        tempRadioCommand('909.750', 500000, 10, 5, kTempRadioDefaultMinutes),
+        'tempradio 909.750,500.0,10,5,1440',
+      );
+    });
+
+    test('coding rate goes out as the 4/x denominator', () {
+      expect(tempRadioCommand('910.525', 62500, 7, 5, 60), endsWith(',7,5,60'));
+    });
+
+    test(
+      'the default duration is valid, so no error shows by default (#748)',
+      () {
+        expect(
+          parseTempRadioMinutes('$kTempRadioDefaultMinutes'),
+          kTempRadioDefaultMinutes,
+        );
+      },
+    );
+
+    test('duration must be 1 to the firmware overflow bound', () {
+      expect(parseTempRadioMinutes('1440'), 1440);
+      expect(parseTempRadioMinutes(' 1 '), 1);
+      expect(parseTempRadioMinutes('$kTempRadioMaxMinutes'), 35791);
+      expect(parseTempRadioMinutes('${kTempRadioMaxMinutes + 1}'), isNull);
+      expect(parseTempRadioMinutes('0'), isNull);
+      expect(parseTempRadioMinutes('-5'), isNull);
+      expect(parseTempRadioMinutes('1.5'), isNull);
+      expect(parseTempRadioMinutes(''), isNull);
+      // 2000 + 35791 min fits a 32-bit int; one more minute does not.
+      expect(2000 + kTempRadioMaxMinutes * 60 * 1000, lessThan(1 << 31));
+      expect(
+        2000 + (kTempRadioMaxMinutes + 1) * 60 * 1000,
+        greaterThan(1 << 31),
+      );
+    });
+
+    test('tempradio is sent after every other command', () {
+      final ordered = withRetuneLast([
+        'set name X',
+        'tempradio 909.75,500.0,10,5,1440',
+        'set tx 20',
+        'set repeat on',
+      ], isRetuneCommand);
+      expect(ordered, [
+        'set name X',
+        'set tx 20',
+        'set repeat on',
+        'tempradio 909.75,500.0,10,5,1440',
+      ]);
+    });
+
+    test('without tempradio the order is unchanged', () {
+      final commands = [
+        'set name X',
+        'set radio 908.205,62.5,9,8',
+        'set tx 20',
+      ];
+      expect(withRetuneLast(commands, isRetuneCommand), commands);
+    });
+  });
+
+  group('preset path hash on remote nodes (#735)', () {
+    test('published bytes become the zero-based CLI mode', () {
+      final philly = preset('philly', hashBytes: 2);
+      final socal = preset('socal', hashBytes: 3);
+      expect(
+        setPathHashModeCommand(philly.pathHashMode!),
+        'set path.hash.mode 1',
+      );
+      expect(
+        setPathHashModeCommand(socal.pathHashMode!),
+        'set path.hash.mode 2',
+      );
+      expect(preset('usa').pathHashMode, isNull);
+    });
+
+    test('a preset path hash is held back from a temporary change', () {
+      expect(
+        sendsPresetPathHash(temporaryRadio: true, pathHashFromPreset: true),
+        isFalse,
+      );
+      expect(
+        sendsPresetPathHash(temporaryRadio: false, pathHashFromPreset: true),
+        isTrue,
+      );
+    });
+
+    test('a path hash set by hand is always sent', () {
+      expect(
+        sendsPresetPathHash(temporaryRadio: true, pathHashFromPreset: false),
+        isTrue,
+      );
+      expect(
+        sendsPresetPathHash(temporaryRadio: false, pathHashFromPreset: false),
+        isTrue,
+      );
+    });
+  });
+
+  group('matchRemotePresetId (#734)', () {
+    final presets = [
+      preset('arizona', tx: 20),
+      preset(
+        'oki',
+        mhz: 909.75,
+        bw: LoRaBandwidth.bw500,
+        sf: LoRaSpreadingFactor.sf10,
+        cr: LoRaCodingRate.cr4_5,
+      ),
+    ];
+
+    test('matches the frequency a repeater reports, to the nearest kHz', () {
+      expect(
+        matchRemotePresetId(
+          presets,
+          frequencyText: '908.205017',
+          bandwidthHz: 62500,
+          spreadingFactor: 9,
+          codingRate: 8,
+          pathHashMode: 0,
+        ),
+        'arizona',
+      );
+      expect(
+        matchRemotePresetId(
+          presets,
+          frequencyText: '909.750',
+          bandwidthHz: 500000,
+          spreadingFactor: 10,
+          codingRate: 5,
+          pathHashMode: 0,
+        ),
+        'oki',
+      );
+    });
+
+    test('any differing value means custom (null)', () {
+      expect(
+        matchRemotePresetId(
+          presets,
+          frequencyText: '908.205',
+          bandwidthHz: 62500,
+          spreadingFactor: 9,
+          codingRate: 5,
+          pathHashMode: 0,
+        ),
+        isNull,
+      );
+      expect(
+        matchRemotePresetId(
+          presets,
+          frequencyText: '908.300',
+          bandwidthHz: 62500,
+          spreadingFactor: 9,
+          codingRate: 8,
+          pathHashMode: 0,
+        ),
+        isNull,
+      );
+    });
+
+    test('unknown or unparsable fields match nothing', () {
+      expect(
+        matchRemotePresetId(
+          presets,
+          frequencyText: '',
+          bandwidthHz: 62500,
+          spreadingFactor: 9,
+          codingRate: 8,
+          pathHashMode: 0,
+        ),
+        isNull,
+      );
+      expect(
+        matchRemotePresetId(
+          presets,
+          frequencyText: '908.205',
+          bandwidthHz: null,
+          spreadingFactor: 9,
+          codingRate: 8,
+          pathHashMode: 0,
+        ),
+        isNull,
+      );
+    });
+
+    test('a path hash preset only matches a node on that mode (#747)', () {
+      final usaPair = [
+        preset(
+          'canada',
+          mhz: 910.525,
+          sf: LoRaSpreadingFactor.sf7,
+          cr: LoRaCodingRate.cr4_5,
+          hashBytes: 3,
+        ),
+        preset(
+          'usa',
+          mhz: 910.525,
+          sf: LoRaSpreadingFactor.sf7,
+          cr: LoRaCodingRate.cr4_5,
+        ),
+      ];
+      String? match(int mode) => matchRemotePresetId(
+        usaPair,
+        frequencyText: '910.525',
+        bandwidthHz: 62500,
+        spreadingFactor: 7,
+        codingRate: 5,
+        pathHashMode: mode,
+      );
+      expect(match(0), 'usa');
+      expect(match(1), 'usa');
+      expect(match(2), 'canada');
+    });
+  });
+}
diff --git a/untranslated.json b/untranslated.json
index e45cdf18..c21bd14b 100644
--- a/untranslated.json
+++ b/untranslated.json
@@ -55,6 +55,7 @@
     "appSettings_clock12h",
     "appSettings_clock24h",
     "contacts_searchSensors",
+    "contacts_manageSensor",
     "channels_notifications",
     "channels_notifyAll",
     "channels_notifyMentionsOnly",
@@ -88,6 +89,11 @@
     "map_alwaysShowNames",
     "path_suggestedRoute",
     "path_searchRepeaters",
+    "repeater_tempRadio",
+    "repeater_tempRadioSubtitle",
+    "repeater_tempRadioMinutes",
+    "repeater_tempRadioPathHashNote",
+    "repeater_tempRadioMinutesInvalid",
     "repeater_cliCommandTimeout",
     "channelPath_routeDirect",
     "channelPath_routeFlood",
@@ -276,6 +282,7 @@
     "appSettings_clock12h",
     "appSettings_clock24h",
     "contacts_searchSensors",
+    "contacts_manageSensor",
     "channels_notifications",
     "channels_notifyAll",
     "channels_notifyMentionsOnly",
@@ -309,6 +316,11 @@
     "map_alwaysShowNames",
     "path_suggestedRoute",
     "path_searchRepeaters",
+    "repeater_tempRadio",
+    "repeater_tempRadioSubtitle",
+    "repeater_tempRadioMinutes",
+    "repeater_tempRadioPathHashNote",
+    "repeater_tempRadioMinutesInvalid",
     "repeater_cliCommandTimeout",
     "channelPath_routeDirect",
     "channelPath_routeFlood",
@@ -497,6 +509,7 @@
     "appSettings_clock12h",
     "appSettings_clock24h",
     "contacts_searchSensors",
+    "contacts_manageSensor",
     "channels_notifications",
     "channels_notifyAll",
     "channels_notifyMentionsOnly",
@@ -530,6 +543,11 @@
     "map_alwaysShowNames",
     "path_suggestedRoute",
     "path_searchRepeaters",
+    "repeater_tempRadio",
+    "repeater_tempRadioSubtitle",
+    "repeater_tempRadioMinutes",
+    "repeater_tempRadioPathHashNote",
+    "repeater_tempRadioMinutesInvalid",
     "repeater_cliCommandTimeout",
     "channelPath_routeDirect",
     "channelPath_routeFlood",
@@ -718,6 +736,7 @@
     "appSettings_clock12h",
     "appSettings_clock24h",
     "contacts_searchSensors",
+    "contacts_manageSensor",
     "channels_notifications",
     "channels_notifyAll",
     "channels_notifyMentionsOnly",
@@ -751,6 +770,11 @@
     "map_alwaysShowNames",
     "path_suggestedRoute",
     "path_searchRepeaters",
+    "repeater_tempRadio",
+    "repeater_tempRadioSubtitle",
+    "repeater_tempRadioMinutes",
+    "repeater_tempRadioPathHashNote",
+    "repeater_tempRadioMinutesInvalid",
     "repeater_cliCommandTimeout",
     "channelPath_routeDirect",
     "channelPath_routeFlood",
@@ -939,6 +963,7 @@
     "appSettings_clock12h",
     "appSettings_clock24h",
     "contacts_searchSensors",
+    "contacts_manageSensor",
     "channels_notifications",
     "channels_notifyAll",
     "channels_notifyMentionsOnly",
@@ -972,6 +997,11 @@
     "map_alwaysShowNames",
     "path_suggestedRoute",
     "path_searchRepeaters",
+    "repeater_tempRadio",
+    "repeater_tempRadioSubtitle",
+    "repeater_tempRadioMinutes",
+    "repeater_tempRadioPathHashNote",
+    "repeater_tempRadioMinutesInvalid",
     "repeater_cliCommandTimeout",
     "channelPath_routeDirect",
     "channelPath_routeFlood",
@@ -1160,6 +1190,7 @@
     "appSettings_clock12h",
     "appSettings_clock24h",
     "contacts_searchSensors",
+    "contacts_manageSensor",
     "channels_notifications",
     "channels_notifyAll",
     "channels_notifyMentionsOnly",
@@ -1193,6 +1224,11 @@
     "map_alwaysShowNames",
     "path_suggestedRoute",
     "path_searchRepeaters",
+    "repeater_tempRadio",
+    "repeater_tempRadioSubtitle",
+    "repeater_tempRadioMinutes",
+    "repeater_tempRadioPathHashNote",
+    "repeater_tempRadioMinutesInvalid",
     "repeater_cliCommandTimeout",
     "channelPath_routeDirect",
     "channelPath_routeFlood",
@@ -1381,6 +1417,7 @@
     "appSettings_clock12h",
     "appSettings_clock24h",
     "contacts_searchSensors",
+    "contacts_manageSensor",
     "channels_notifications",
     "channels_notifyAll",
     "channels_notifyMentionsOnly",
@@ -1414,6 +1451,11 @@
     "map_alwaysShowNames",
     "path_suggestedRoute",
     "path_searchRepeaters",
+    "repeater_tempRadio",
+    "repeater_tempRadioSubtitle",
+    "repeater_tempRadioMinutes",
+    "repeater_tempRadioPathHashNote",
+    "repeater_tempRadioMinutesInvalid",
     "repeater_cliCommandTimeout",
     "channelPath_routeDirect",
     "channelPath_routeFlood",
@@ -1602,6 +1644,7 @@
     "appSettings_clock12h",
     "appSettings_clock24h",
     "contacts_searchSensors",
+    "contacts_manageSensor",
     "channels_notifications",
     "channels_notifyAll",
     "channels_notifyMentionsOnly",
@@ -1635,6 +1678,11 @@
     "map_alwaysShowNames",
     "path_suggestedRoute",
     "path_searchRepeaters",
+    "repeater_tempRadio",
+    "repeater_tempRadioSubtitle",
+    "repeater_tempRadioMinutes",
+    "repeater_tempRadioPathHashNote",
+    "repeater_tempRadioMinutesInvalid",
     "repeater_cliCommandTimeout",
     "channelPath_routeDirect",
     "channelPath_routeFlood",
@@ -1823,6 +1871,7 @@
     "appSettings_clock12h",
     "appSettings_clock24h",
     "contacts_searchSensors",
+    "contacts_manageSensor",
     "channels_notifications",
     "channels_notifyAll",
     "channels_notifyMentionsOnly",
@@ -1856,6 +1905,11 @@
     "map_alwaysShowNames",
     "path_suggestedRoute",
     "path_searchRepeaters",
+    "repeater_tempRadio",
+    "repeater_tempRadioSubtitle",
+    "repeater_tempRadioMinutes",
+    "repeater_tempRadioPathHashNote",
+    "repeater_tempRadioMinutesInvalid",
     "repeater_cliCommandTimeout",
     "channelPath_routeDirect",
     "channelPath_routeFlood",
@@ -2044,6 +2098,7 @@
     "appSettings_clock12h",
     "appSettings_clock24h",
     "contacts_searchSensors",
+    "contacts_manageSensor",
     "channels_notifications",
     "channels_notifyAll",
     "channels_notifyMentionsOnly",
@@ -2077,6 +2132,11 @@
     "map_alwaysShowNames",
     "path_suggestedRoute",
     "path_searchRepeaters",
+    "repeater_tempRadio",
+    "repeater_tempRadioSubtitle",
+    "repeater_tempRadioMinutes",
+    "repeater_tempRadioPathHashNote",
+    "repeater_tempRadioMinutesInvalid",
     "repeater_cliCommandTimeout",
     "channelPath_routeDirect",
     "channelPath_routeFlood",
@@ -2265,6 +2325,7 @@
     "appSettings_clock12h",
     "appSettings_clock24h",
     "contacts_searchSensors",
+    "contacts_manageSensor",
     "channels_notifications",
     "channels_notifyAll",
     "channels_notifyMentionsOnly",
@@ -2298,6 +2359,11 @@
     "map_alwaysShowNames",
     "path_suggestedRoute",
     "path_searchRepeaters",
+    "repeater_tempRadio",
+    "repeater_tempRadioSubtitle",
+    "repeater_tempRadioMinutes",
+    "repeater_tempRadioPathHashNote",
+    "repeater_tempRadioMinutesInvalid",
     "repeater_cliCommandTimeout",
     "channelPath_routeDirect",
     "channelPath_routeFlood",
@@ -2486,6 +2552,7 @@
     "appSettings_clock12h",
     "appSettings_clock24h",
     "contacts_searchSensors",
+    "contacts_manageSensor",
     "channels_notifications",
     "channels_notifyAll",
     "channels_notifyMentionsOnly",
@@ -2519,6 +2586,11 @@
     "map_alwaysShowNames",
     "path_suggestedRoute",
     "path_searchRepeaters",
+    "repeater_tempRadio",
+    "repeater_tempRadioSubtitle",
+    "repeater_tempRadioMinutes",
+    "repeater_tempRadioPathHashNote",
+    "repeater_tempRadioMinutesInvalid",
     "repeater_cliCommandTimeout",
     "channelPath_routeDirect",
     "channelPath_routeFlood",
@@ -2707,6 +2779,7 @@
     "appSettings_clock12h",
     "appSettings_clock24h",
     "contacts_searchSensors",
+    "contacts_manageSensor",
     "channels_notifications",
     "channels_notifyAll",
     "channels_notifyMentionsOnly",
@@ -2740,6 +2813,11 @@
     "map_alwaysShowNames",
     "path_suggestedRoute",
     "path_searchRepeaters",
+    "repeater_tempRadio",
+    "repeater_tempRadioSubtitle",
+    "repeater_tempRadioMinutes",
+    "repeater_tempRadioPathHashNote",
+    "repeater_tempRadioMinutesInvalid",
     "repeater_cliCommandTimeout",
     "channelPath_routeDirect",
     "channelPath_routeFlood",
@@ -2928,6 +3006,7 @@
     "appSettings_clock12h",
     "appSettings_clock24h",
     "contacts_searchSensors",
+    "contacts_manageSensor",
     "channels_notifications",
     "channels_notifyAll",
     "channels_notifyMentionsOnly",
@@ -2961,6 +3040,11 @@
     "map_alwaysShowNames",
     "path_suggestedRoute",
     "path_searchRepeaters",
+    "repeater_tempRadio",
+    "repeater_tempRadioSubtitle",
+    "repeater_tempRadioMinutes",
+    "repeater_tempRadioPathHashNote",
+    "repeater_tempRadioMinutesInvalid",
     "repeater_cliCommandTimeout",
     "channelPath_routeDirect",
     "channelPath_routeFlood",
@@ -3149,6 +3233,7 @@
     "appSettings_clock12h",
     "appSettings_clock24h",
     "contacts_searchSensors",
+    "contacts_manageSensor",
     "channels_notifications",
     "channels_notifyAll",
     "channels_notifyMentionsOnly",
@@ -3182,6 +3267,11 @@
     "map_alwaysShowNames",
     "path_suggestedRoute",
     "path_searchRepeaters",
+    "repeater_tempRadio",
+    "repeater_tempRadioSubtitle",
+    "repeater_tempRadioMinutes",
+    "repeater_tempRadioPathHashNote",
+    "repeater_tempRadioMinutesInvalid",
     "repeater_cliCommandTimeout",
     "channelPath_routeDirect",
     "channelPath_routeFlood",
@@ -3370,6 +3460,7 @@
     "appSettings_clock12h",
     "appSettings_clock24h",
     "contacts_searchSensors",
+    "contacts_manageSensor",
     "channels_notifications",
     "channels_notifyAll",
     "channels_notifyMentionsOnly",
@@ -3403,6 +3494,11 @@
     "map_alwaysShowNames",
     "path_suggestedRoute",
     "path_searchRepeaters",
+    "repeater_tempRadio",
+    "repeater_tempRadioSubtitle",
+    "repeater_tempRadioMinutes",
+    "repeater_tempRadioPathHashNote",
+    "repeater_tempRadioMinutesInvalid",
     "repeater_cliCommandTimeout",
     "channelPath_routeDirect",
     "channelPath_routeFlood",
@@ -3591,6 +3687,7 @@
     "appSettings_clock12h",
     "appSettings_clock24h",
     "contacts_searchSensors",
+    "contacts_manageSensor",
     "channels_notifications",
     "channels_notifyAll",
     "channels_notifyMentionsOnly",
@@ -3624,6 +3721,11 @@
     "map_alwaysShowNames",
     "path_suggestedRoute",
     "path_searchRepeaters",
+    "repeater_tempRadio",
+    "repeater_tempRadioSubtitle",
+    "repeater_tempRadioMinutes",
+    "repeater_tempRadioPathHashNote",
+    "repeater_tempRadioMinutesInvalid",
     "repeater_cliCommandTimeout",
     "channelPath_routeDirect",
     "channelPath_routeFlood",