diff --git a/src/modules/rc_update/rc_update.cpp b/src/modules/rc_update/rc_update.cpp
index a0107700e6..7c3ddc76b9 100644
--- a/src/modules/rc_update/rc_update.cpp
+++ b/src/modules/rc_update/rc_update.cpp
@@ -351,6 +351,23 @@ RCUpdate::Run()
 			/* signal is lost or no enough channels */
 			signal_lost = true;
 
+			//This problem occurs at RC controllers which are use PPM signal on RFD 868+/900 Modems (Maybe it can be also related another types)
+
+		} else if (rc_input.channel_count ==
+			   16) { // check failsafe by channel values to detect RC loss (This statement is specific for only RF modules that still sending valid PPM signal when RC loss from ground RF)
+			for (unsigned int i = 0; i < 16; i++) {
+				if (i < 12 && rc_input.values[i] > 999 && rc_input.values[i] < 1005) {
+					signal_lost = true;
+
+				} else if (rc_input.values[i] == 0) {
+					signal_lost = true;
+
+				} else {
+					signal_lost = false;
+					break;
+				}
+			}
+
 		} else {
 			/* signal looks good */
 			signal_lost = false;