diff --git a/src/main/fc/config.c b/src/main/fc/config.c
index eaa40a7ed6..d597fc128a 100755
--- a/src/main/fc/config.c
+++ b/src/main/fc/config.c
@@ -407,6 +407,7 @@ void resetFlight3DConfig(flight3DConfig_t *flight3DConfig)
 void resetTelemetryConfig(telemetryConfig_t *telemetryConfig)
 {
     telemetryConfig->telemetry_inversion = 1;
+    telemetryConfig->sportHalfDuplex = 1;
     telemetryConfig->telemetry_switch = 0;
     telemetryConfig->gpsNoFixLatitude = 0;
     telemetryConfig->gpsNoFixLongitude = 0;
diff --git a/src/main/io/serial_cli.c b/src/main/io/serial_cli.c
index 43c45c1864..5783a3a170 100755
--- a/src/main/io/serial_cli.c
+++ b/src/main/io/serial_cli.c
@@ -787,6 +787,7 @@ const clivalue_t valueTable[] = {
 #ifdef TELEMETRY
     { "telemetry_switch",           VAR_UINT8  | MASTER_VALUE | MODE_LOOKUP,  &telemetryConfig()->telemetry_switch, .config.lookup = { TABLE_OFF_ON } },
     { "telemetry_inversion",        VAR_UINT8  | MASTER_VALUE | MODE_LOOKUP,  &telemetryConfig()->telemetry_inversion, .config.lookup = { TABLE_OFF_ON } },
+    { "sport_halfduplex",           VAR_UINT8  | MASTER_VALUE | MODE_LOOKUP,  &telemetryConfig()->sportHalfDuplex, .config.lookup = { TABLE_OFF_ON } },
     { "frsky_default_lattitude",    VAR_FLOAT  | MASTER_VALUE,  &telemetryConfig()->gpsNoFixLatitude, .config.minmax = { -90.0,  90.0 } },
     { "frsky_default_longitude",    VAR_FLOAT  | MASTER_VALUE,  &telemetryConfig()->gpsNoFixLongitude, .config.minmax = { -180.0,  180.0 } },
     { "frsky_coordinates_format",   VAR_UINT8  | MASTER_VALUE,  &telemetryConfig()->frsky_coordinate_format, .config.minmax = { 0,  FRSKY_FORMAT_NMEA } },
diff --git a/src/main/telemetry/smartport.c b/src/main/telemetry/smartport.c
index 4d1d19718a..d33ebb09a7 100644
--- a/src/main/telemetry/smartport.c
+++ b/src/main/telemetry/smartport.c
@@ -328,12 +328,14 @@ void configureSmartPortTelemetryPort(void)
         return;
     }
 
-    portOptions = SERIAL_BIDIR;
-
+    if (telemetryConfig->sportHalfDuplex) {
+        portOptions = SERIAL_BIDIR;
+    }
+    
     if (telemetryConfig->telemetry_inversion) {
         portOptions |= SERIAL_INVERTED;
     }
-
+    
     smartPortSerialPort = openSerialPort(portConfig->identifier, FUNCTION_TELEMETRY_SMARTPORT, NULL, SMARTPORT_BAUD, SMARTPORT_UART_MODE, portOptions);
 
     if (!smartPortSerialPort) {
diff --git a/src/main/telemetry/telemetry.h b/src/main/telemetry/telemetry.h
index f656578b95..91b2ff004a 100644
--- a/src/main/telemetry/telemetry.h
+++ b/src/main/telemetry/telemetry.h
@@ -37,6 +37,7 @@ typedef enum {
 typedef struct telemetryConfig_s {
     uint8_t telemetry_switch;               // Use aux channel to change serial output & baudrate( MSP / Telemetry ). It disables automatic switching to Telemetry when armed.
     uint8_t telemetry_inversion;            // also shared with smartport inversion
+    uint8_t sportHalfDuplex;
     float gpsNoFixLatitude;
     float gpsNoFixLongitude;
     frskyGpsCoordFormat_e frsky_coordinate_format;