diff --git a/radio/src/opentx.cpp b/radio/src/opentx.cpp
index fbe4011f6..17dc11616 100644
--- a/radio/src/opentx.cpp
+++ b/radio/src/opentx.cpp
@@ -745,6 +745,11 @@ ls_telemetry_value_t maxTelemValue(uint8_t channel)
     case TELEM_HDG:
       return 180;
 #if defined(CPUARM)
+    case TELEM_SPEED:
+    case TELEM_MAX_SPEED:
+    case TELEM_ASPEED:
+    case TELEM_MAX_ASPEED:
+      return 2000;
     default:
       return 30000;
 #else