diff --git a/libraries/RC_Channel/RC_Channel.h b/libraries/RC_Channel/RC_Channel.h
index 2462709663..56d5410868 100644
--- a/libraries/RC_Channel/RC_Channel.h
+++ b/libraries/RC_Channel/RC_Channel.h
@@ -540,6 +540,10 @@ public:
         return get_singleton() != nullptr && (_options & uint32_t(Option::USE_CRSF_LQ_AS_RSSI)) != 0;
     }
 
+    bool use_420kbaud_for_elrs(void) const {
+        return get_singleton() != nullptr && (_options & uint32_t(Option::ELRS_420KBAUD)) != 0;
+    }
+
     // returns true if overrides should time out.  If true is returned
     // then returned_timeout_ms will contain the timeout in
     // milliseconds, with 0 meaning overrides are disabled.
@@ -609,6 +613,7 @@ protected:
         SUPPRESS_CRSF_MESSAGE   = (1U << 9), // suppress CRSF mode/rate message for ELRS systems
         MULTI_RECEIVER_SUPPORT  = (1U << 10), // allow multiple receivers
         USE_CRSF_LQ_AS_RSSI     = (1U << 11), // returns CRSF link quality as RSSI value, instead of RSSI
+        ELRS_420KBAUD           = (1U << 13), // use 420kbaud for ELRS protocol
     };
 
     void new_override_received() {
diff --git a/libraries/RC_Channel/RC_Channels_VarInfo.h b/libraries/RC_Channel/RC_Channels_VarInfo.h
index 302cf9a8dc..9e3eb7c0d6 100644
--- a/libraries/RC_Channel/RC_Channels_VarInfo.h
+++ b/libraries/RC_Channel/RC_Channels_VarInfo.h
@@ -89,7 +89,7 @@ const AP_Param::GroupInfo RC_Channels::var_info[] = {
     // @DisplayName: RC options
     // @Description: RC input options
     // @User: Advanced
-    // @Bitmask: 0:Ignore RC Receiver, 1:Ignore MAVLink Overrides, 2:Ignore Receiver Failsafe bit but allow other RC failsafes if setup, 3:FPort Pad, 4:Log RC input bytes, 5:Arming check throttle for 0 input, 6:Skip the arming check for neutral Roll/Pitch/Yaw sticks, 7:Allow Switch reverse, 8:Use passthrough for CRSF telemetry, 9:Suppress CRSF mode/rate message for ELRS systems,10:Enable multiple receiver support, 11:CRSF RSSI shows Link Quality
+    // @Bitmask: 0:Ignore RC Receiver, 1:Ignore MAVLink Overrides, 2:Ignore Receiver Failsafe bit but allow other RC failsafes if setup, 3:FPort Pad, 4:Log RC input bytes, 5:Arming check throttle for 0 input, 6:Skip the arming check for neutral Roll/Pitch/Yaw sticks, 7:Allow Switch reverse, 8:Use passthrough for CRSF telemetry, 9:Suppress CRSF mode/rate message for ELRS systems,10:Enable multiple receiver support, 11:Use Link Quality for RSSI with CRSF, 13: Use 420kbaud for ELRS protocol
     AP_GROUPINFO("_OPTIONS", 33, RC_CHANNELS_SUBCLASS, _options, (uint32_t)RC_Channels::Option::ARMING_CHECK_THROTTLE),
 
     // @Param: _PROTOCOLS