diff --git a/radio/src/audio_arm.cpp b/radio/src/audio_arm.cpp
index 089a604e3..c20dd154c 100644
--- a/radio/src/audio_arm.cpp
+++ b/radio/src/audio_arm.cpp
@@ -201,6 +201,8 @@ const char * audioFilenames[] = {
   "rssi_org",
   "rssi_red",
   "swr_red",
+  "rx_org",
+  "rx_red",
   "telemko",
   "telemok"
 };
@@ -1064,12 +1066,14 @@ void audioEvent(uint8_t e, uint16_t f)
         case AU_TIMER_30:
           audioQueue.playTone(BEEP_DEFAULT_FREQ+150, 120, 20, PLAY_REPEAT(2)|PLAY_NOW);
           break;
+        case AU_RXBATT_ORANGE:
         case AU_A1_ORANGE:
         case AU_A2_ORANGE:
         case AU_A3_ORANGE:
         case AU_A4_ORANGE:
           audioQueue.playTone(BEEP_DEFAULT_FREQ+600, 200, 20, PLAY_NOW);
           break;
+        case AU_RXBATT_RED:
         case AU_A1_RED:
         case AU_A2_RED:
         case AU_A3_RED:
diff --git a/radio/src/audio_arm.h b/radio/src/audio_arm.h
index b0dccb080..756352c3c 100644
--- a/radio/src/audio_arm.h
+++ b/radio/src/audio_arm.h
@@ -292,6 +292,8 @@ void audioStart();
 #define AUDIO_RSSI_ORANGE()      audioEvent(AU_RSSI_ORANGE)
 #define AUDIO_RSSI_RED()         audioEvent(AU_RSSI_RED)
 #define AUDIO_SWR_RED()          audioEvent(AU_SWR_RED)
+#define AUDIO_RXBATT_ORANGE()    audioEvent(AU_RXBATT_ORANGE)
+#define AUDIO_RXBATT_RED()       audioEvent(AU_RXBATT_RED)
 #define AUDIO_TELEMETRY_LOST()   audioEvent(AU_TELEMETRY_LOST)
 #define AUDIO_TELEMETRY_BACK()   audioEvent(AU_TELEMETRY_BACK)
 
diff --git a/radio/src/gui/menu_model.cpp b/radio/src/gui/menu_model.cpp
index 36f3bde08..6f17aeb1e 100644
--- a/radio/src/gui/menu_model.cpp
+++ b/radio/src/gui/menu_model.cpp
@@ -5348,6 +5348,11 @@ void menuModelCustomScripts(uint8_t event)
 #endif
 
 enum menuModelTelemetryItems {
+#if defined(CPUARM)
+  ITEM_TELEMETRY_RXBATT_LABEL,
+  ITEM_TELEMETRY_RXBATT_ALARM1,
+  ITEM_TELEMETRY_RXBATT_ALARM2,
+#endif
   ITEM_TELEMETRY_A1_LABEL,
   ITEM_TELEMETRY_A1_RANGE,
   ITEM_TELEMETRY_A1_OFFSET,
@@ -5445,35 +5450,41 @@ enum menuModelTelemetryItems {
   #define TELEM_SCRTYPE_COL (10*FW)
 #endif
 
-#if defined(PCBTARANIS)
- #define CHANNEL_ROWS (uint8_t)-1, 1, 0, 0, 0
- #define RSSI_ROWS    (uint8_t)-1, 0, 0
+#if defined(CPUARM)
+  #define RXBATT_ROWS       LABEL(RXBATT), 0, 0,
 #else
- #define CHANNEL_ROWS (uint8_t)-1, 1, 0, 2, 2
- #define RSSI_ROWS    (uint8_t)-1, 1, 1
+  #define RXBATT_ROWS
+#endif
+
+#if defined(PCBTARANIS)
+  #define CHANNEL_ROWS      LABEL(CHANNEL), 1, 0, 0, 0
+  #define RSSI_ROWS         LABEL(RSSI), 0, 0
+#else
+  #define CHANNEL_ROWS      LABEL(CHANNEL), 1, 0, 2, 2
+  #define RSSI_ROWS         LABEL(RSSI), 1, 1
 #endif
 
 #if defined(GAUGES)
- #define SCREEN_TYPE_ROWS 0
+  #define SCREEN_TYPE_ROWS  0
 #else
- #define SCREEN_TYPE_ROWS (uint8_t)-1
+  #define SCREEN_TYPE_ROWS  LABEL(SCREEN)
 #endif
 
 #if defined(PCBSTD)
-  #define VARIO_RANGE_ROWS 1
+  #define VARIO_RANGE_ROWS  1
 #else
-  #define VARIO_RANGE_ROWS 3
+  #define VARIO_RANGE_ROWS  3
 #endif
 
 #if defined(FAS_OFFSET) || !defined(CPUM64)
-  #define IF_FAS_OFFSET(x) x,
+  #define IF_FAS_OFFSET(x)  x,
 #else
   #define IF_FAS_OFFSET(x) 
 #endif
 
 void menuModelTelemetry(uint8_t event)
 {
-  MENU(STR_MENUTELEMETRY, menuTabModel, e_Telemetry, ITEM_TELEMETRY_MAX+1, {0, CHANNEL_ROWS, CHANNEL_ROWS, CASE_CPUARM(CHANNEL_ROWS) CASE_CPUARM(CHANNEL_ROWS) RSSI_ROWS, USRDATA_LINES 0, 0, IF_FAS_OFFSET(0) CASE_CPUARM(0) CASE_VARIO(LABEL(Vario)) CASE_VARIO(0) CASE_VARIO(VARIO_RANGE_ROWS) CASE_PCBTARANIS(LABEL(TopBar)) CASE_PCBTARANIS(0) SCREEN_TYPE_ROWS, 2, 2, 2, 2, SCREEN_TYPE_ROWS, 2, 2, 2, 2, CASE_CPUARM(SCREEN_TYPE_ROWS) CASE_CPUARM(2) CASE_CPUARM(2) CASE_CPUARM(2) CASE_CPUARM(2) });
+  MENU(STR_MENUTELEMETRY, menuTabModel, e_Telemetry, ITEM_TELEMETRY_MAX+1, {0, RXBATT_ROWS CHANNEL_ROWS, CHANNEL_ROWS, CASE_CPUARM(CHANNEL_ROWS) CASE_CPUARM(CHANNEL_ROWS) RSSI_ROWS, USRDATA_LINES 0, 0, IF_FAS_OFFSET(0) CASE_CPUARM(0) CASE_VARIO(LABEL(Vario)) CASE_VARIO(0) CASE_VARIO(VARIO_RANGE_ROWS) CASE_PCBTARANIS(LABEL(TopBar)) CASE_PCBTARANIS(0) SCREEN_TYPE_ROWS, 2, 2, 2, 2, SCREEN_TYPE_ROWS, 2, 2, 2, 2, CASE_CPUARM(SCREEN_TYPE_ROWS) CASE_CPUARM(2) CASE_CPUARM(2) CASE_CPUARM(2) CASE_CPUARM(2) });
 
   uint8_t sub = m_posVert - 1;
 
@@ -5508,6 +5519,23 @@ void menuModelTelemetry(uint8_t event)
     FrSkyChannelData & channel = g_model.frsky.channels[ch];
     uint8_t dest = TELEM_A1-1+ch;
     switch (k) {
+#if defined(CPUARM)
+      case ITEM_TELEMETRY_RXBATT_LABEL:
+        lcd_putsLeft(y, "RxBatt");
+        putsTelemetryChannel(TELEM_COL2+6*FW, y, dest, frskyData.analog[TELEM_ANA_RxBatt].value, LEFT);
+        break;
+      case ITEM_TELEMETRY_RXBATT_ALARM1:
+      case ITEM_TELEMETRY_RXBATT_ALARM2:
+      {
+        uint8_t alarm = (k==ITEM_TELEMETRY_RXBATT_ALARM1 ? 0 : 1);
+        lcd_putsLeft(y, (alarm==0 ? STR_LOWALARM : STR_CRITICALALARM));
+        putsTelemetryChannel(TELEM_COL2, y, TELEM_RX_VOLTAGE-1, 5*g_model.rxBattAlarms[alarm], LEFT|attr);
+        if (attr && (s_editMode>0 || p1valdiff)) {
+          g_model.rxBattAlarms[alarm] = checkIncDec(event, g_model.rxBattAlarms[alarm], 0, 255, EE_MODEL);
+        }
+        break;
+      }
+#endif
       case ITEM_TELEMETRY_A1_LABEL:
       case ITEM_TELEMETRY_A2_LABEL:
 #if defined(CPUARM)
diff --git a/radio/src/myeeprom.h b/radio/src/myeeprom.h
index a9f4cf6c5..2e854f216 100644
--- a/radio/src/myeeprom.h
+++ b/radio/src/myeeprom.h
@@ -318,7 +318,7 @@ PACK(typedef struct t_ScriptData {
     TRAINER_MODULE
   };
   #define MODELDATA_BITMAP  char bitmap[LEN_BITMAP_NAME];
-  #define MODELDATA_EXTRA   uint8_t externalModule; uint8_t trainerMode; ModuleData moduleData[NUM_MODULES+1]; char curveNames[MAX_CURVES][6]; ScriptData scriptsData[MAX_SCRIPTS]; char inputNames[MAX_INPUTS][4]; uint8_t nPotsToWarn; int8_t potPosition[NUM_POTS];
+  #define MODELDATA_EXTRA   uint8_t externalModule; uint8_t trainerMode; ModuleData moduleData[NUM_MODULES+1]; char curveNames[MAX_CURVES][6]; ScriptData scriptsData[MAX_SCRIPTS]; char inputNames[MAX_INPUTS][4]; uint8_t nPotsToWarn; int8_t potPosition[NUM_POTS]; uint8_t rxBattAlarms[2];
   #define LIMITDATA_EXTRA   char name[LEN_CHANNEL_NAME]; int8_t curve;
   #define swstate_t         uint16_t
 #elif defined(PCBSKY9X)
@@ -328,7 +328,7 @@ PACK(typedef struct t_ScriptData {
     TRAINER_MODULE
   };
   #define MODELDATA_BITMAP
-  #define MODELDATA_EXTRA   uint8_t externalModule; ModuleData moduleData[NUM_MODULES+1]; uint8_t nPotsToWarn; int8_t potPosition[NUM_POTS];
+  #define MODELDATA_EXTRA   uint8_t externalModule; ModuleData moduleData[NUM_MODULES+1]; uint8_t nPotsToWarn; int8_t potPosition[NUM_POTS]; uint8_t rxBattAlarms[2];
   #define LIMITDATA_EXTRA
   #define swstate_t         uint8_t
 #else
diff --git a/radio/src/opentx.h b/radio/src/opentx.h
index 6dd2f110d..90c8aa879 100644
--- a/radio/src/opentx.h
+++ b/radio/src/opentx.h
@@ -1340,6 +1340,8 @@ enum AUDIO_SOUNDS {
     AU_RSSI_ORANGE,
     AU_RSSI_RED,
     AU_SWR_RED,
+    AU_RXBATT_ORANGE,
+    AU_RXBATT_RED,
     AU_TELEMETRY_LOST,
     AU_TELEMETRY_BACK,
 #endif
diff --git a/radio/src/telemetry/frsky.cpp b/radio/src/telemetry/frsky.cpp
index 06fd308e5..a6f0fd47b 100644
--- a/radio/src/telemetry/frsky.cpp
+++ b/radio/src/telemetry/frsky.cpp
@@ -127,6 +127,10 @@ void FrskyValueWithMinMax::set(uint8_t value, uint8_t unit)
 }
 
 #if defined(CPUARM)
+inline bool rxBattAlarmRaised(uint8_t alarm)
+{
+  return g_model.rxBattAlarms[alarm] > 0 && frskyData.analog[TELEM_ANA_RxBatt].value < 5*g_model.rxBattAlarms[alarm];
+}
 inline bool alarmRaised(uint8_t channel, uint8_t idx)
 {
   return g_model.frsky.channels[channel].ratio > 0 && g_model.frsky.channels[channel].alarms_value[idx] > 0 && frskyData.analog[channel].value < g_model.frsky.channels[channel].alarms_value[idx];
@@ -252,6 +256,7 @@ NOINLINE void processSerialData(uint8_t data)
 enum AlarmsCheckSteps {
   ALARM_SWR_STEP,
   ALARM_RSSI_STEP,
+  ALARM_RXBATT_STEP,
   ALARM_A1_STEP,
   ALARM_A2_STEP,
   ALARM_A3_STEP,
@@ -340,6 +345,16 @@ void telemetryWakeup()
           alarmsCheckTime = get_tmr10ms() + 300; /* next check in 3 seconds */
         }
       }
+      else if (alarmsCheckStep == ALARM_RXBATT_STEP) {
+        if (rxBattAlarmRaised(1)) {
+          AUDIO_RXBATT_RED();
+          alarmsCheckTime = get_tmr10ms() + 300; /* next check in 3 seconds */
+        }
+        else if (rxBattAlarmRaised(0)) {
+          AUDIO_RXBATT_ORANGE();
+          alarmsCheckTime = get_tmr10ms() + 300; /* next check in 3 seconds */
+        }
+      }
       else if (alarmsCheckStep == ALARM_A1_STEP) {
         if (alarmRaised(TELEM_ANA_A1, 1)) {
           AUDIO_A1_RED();