diff --git a/Multiprotocol/Multiprotocol.h b/Multiprotocol/Multiprotocol.h
index 73b844a..d0764f9 100644
--- a/Multiprotocol/Multiprotocol.h
+++ b/Multiprotocol/Multiprotocol.h
@@ -19,7 +19,7 @@
 #define VERSION_MAJOR		1
 #define VERSION_MINOR		2
 #define VERSION_REVISION	0
-#define VERSION_PATCH_LEVEL	48
+#define VERSION_PATCH_LEVEL	49
 
 //******************
 // Protocols
diff --git a/Multiprotocol/SLT_nrf24l01.ino b/Multiprotocol/SLT_nrf24l01.ino
index 7cacbc1..75d855f 100644
--- a/Multiprotocol/SLT_nrf24l01.ino
+++ b/Multiprotocol/SLT_nrf24l01.ino
@@ -141,6 +141,8 @@ static void __attribute__((unused)) SLT_build_packet()
 	for (uint8_t i = 0; i < 4; ++i)
 	{
 		uint16_t v = convert_channel_10b(CH_AETR[i]);
+		if(sub_protocol>SLT_V2 && CH_AETR[i]==THROTTLE)
+			v=1023-v;	// reverse throttle channel for Q100/Q200/MR100 protocols
 		packet[i] = v;
 		e = (e >> 2) | (uint8_t) ((v >> 2) & 0xC0);
 	}