diff --git a/radio/src/lcd.cpp b/radio/src/lcd.cpp
index 651e28d3a..67ded9577 100644
--- a/radio/src/lcd.cpp
+++ b/radio/src/lcd.cpp
@@ -1218,19 +1218,29 @@ void putsTelemetryChannel(xcoord_t x, uint8_t y, uint8_t channel, lcdint_t val,
 #if defined(FRSKY)
     case TELEM_MIN_A1-1:
     case TELEM_MIN_A2-1:
+#if defined(CPUARM)
+    case TELEM_MIN_A3-1:
+    case TELEM_MIN_A4-1:
+#endif
       channel -= TELEM_MIN_A1-TELEM_A1;
       // no break
     case TELEM_A1-1:
     case TELEM_A2-1:
+#if defined(CPUARM)
+    case TELEM_A3-1:
+    case TELEM_A4-1:
+#endif
       channel -= TELEM_A1-1;
       // A1 and A2
     {
       lcdint_t converted_value = applyChannelRatio(channel, val);
-      if (g_model.frsky.channels[channel].type >= UNIT_RAW) {
+      if (ANA_CHANNEL_UNIT(channel) >= UNIT_RAW) {
         converted_value = div10_and_round(converted_value);
       }
       else {
-#if !defined(PCBTARANIS)
+#if LCD_W >= 212
+        att |= PREC2;
+#else
         if (abs(converted_value) < 1000) {
           att |= PREC2;
         }
@@ -1238,8 +1248,6 @@ void putsTelemetryChannel(xcoord_t x, uint8_t y, uint8_t channel, lcdint_t val,
           converted_value = div10_and_round(converted_value);
           att |= PREC1;
         }
-#else
-        att |= PREC2;
 #endif
       }
       putsTelemetryValue(x, y, converted_value, g_model.frsky.channels[channel].type, att);
diff --git a/radio/src/maths.cpp b/radio/src/maths.cpp
index 2d07eb27c..25b2716ef 100644
--- a/radio/src/maths.cpp
+++ b/radio/src/maths.cpp
@@ -163,6 +163,11 @@ uint16_t getChannelRatio(uint8_t channel)
 
 lcdint_t applyChannelRatio(uint8_t channel, lcdint_t val)
 {
+#if defined(CPUARM)
+  // A3 and A4 don't have ratio settings
+  if (channel > 1)
+    return val;
+#endif
   return ((int32_t)val+g_model.frsky.channels[channel].offset) * getChannelRatio(channel) * 2 / 51;
 }
 #endif
diff --git a/radio/src/opentx.cpp b/radio/src/opentx.cpp
index cb9866428..685077a0c 100644
--- a/radio/src/opentx.cpp
+++ b/radio/src/opentx.cpp
@@ -1614,20 +1614,28 @@ PLAY_FUNCTION(playValue, uint8_t idx)
       break;
     case MIXSRC_FIRST_TELEM+TELEM_MIN_A1-1:
     case MIXSRC_FIRST_TELEM+TELEM_MIN_A2-1:
+#if defined(CPUARM)
+    case MIXSRC_FIRST_TELEM+TELEM_MIN_A3-1:
+    case MIXSRC_FIRST_TELEM+TELEM_MIN_A4-1:
+#endif
       idx -= TELEM_MIN_A1-TELEM_A1;
       // no break
     case MIXSRC_FIRST_TELEM+TELEM_A1-1:
     case MIXSRC_FIRST_TELEM+TELEM_A2-1:
+#if defined(CPUARM)
+    case MIXSRC_FIRST_TELEM+TELEM_A3-1:
+    case MIXSRC_FIRST_TELEM+TELEM_A4-1:
+#endif
       // A1 and A2
       idx -= (MIXSRC_FIRST_TELEM+TELEM_A1-1);
       {
         if (TELEMETRY_STREAMING()) {
           uint8_t att = 0;
           int16_t converted_value =  div10_and_round(applyChannelRatio(idx, val));;
-          if (g_model.frsky.channels[idx].type < UNIT_RAW) {
+          if (ANA_CHANNEL_UNIT(idx) < UNIT_RAW) {
             att = PREC1;
           }
-          PLAY_NUMBER(converted_value, 1+g_model.frsky.channels[idx].type, att);
+          PLAY_NUMBER(converted_value, 1+ANA_CHANNEL_UNIT(idx), att);
         }
         break;
       }
diff --git a/radio/src/opentx.h b/radio/src/opentx.h
index 2611bd1b0..8be4c8068 100644
--- a/radio/src/opentx.h
+++ b/radio/src/opentx.h
@@ -1572,6 +1572,12 @@ getvalue_t convertLswTelemValue(LogicalSwitchData * cs);
 lcdint_t applyChannelRatio(uint8_t channel, lcdint_t val);
 #endif
 
+#if defined(CPUARM)
+  #define ANA_CHANNEL_UNIT(channel) (channel > 1 ? UNIT_VOLTS : g_model.frsky.channels[channel].type)
+#else
+  #define ANA_CHANNEL_UNIT(channel) g_model.frsky.channels[channel].type
+#endif
+
 getvalue_t div10_and_round(getvalue_t value);
 
 
diff --git a/radio/src/telemetry/frsky_sport.cpp b/radio/src/telemetry/frsky_sport.cpp
index d72efddd3..bdca730ba 100644
--- a/radio/src/telemetry/frsky_sport.cpp
+++ b/radio/src/telemetry/frsky_sport.cpp
@@ -463,6 +463,12 @@ void frskySportProcessPacket(uint8_t *packet)
           frskyData.hub.gpsFix = 0;
         }
       }
+      else if (appId >= A3_FIRST_ID && appId <= A3_LAST_ID) {
+        frskyData.analog[2].set(SPORT_DATA_U32(packet), 0);
+      }
+      else if (appId >= A4_FIRST_ID && appId <= A4_LAST_ID) {
+        frskyData.analog[3].set(SPORT_DATA_U32(packet), 0);
+      }
       else if (appId >= CELLS_FIRST_ID && appId <= CELLS_LAST_ID) {
         uint32_t cells = SPORT_DATA_U32(packet);
         uint8_t battnumber = cells & 0xF;