diff --git a/src/modules/SX128x/SX128x.cpp b/src/modules/SX128x/SX128x.cpp
index d222b016..97222c70 100644
--- a/src/modules/SX128x/SX128x.cpp
+++ b/src/modules/SX128x/SX128x.cpp
@@ -340,6 +340,9 @@ int16_t SX128x::receive(uint8_t* data, size_t len) {
 }
 
 int16_t SX128x::transmitDirect(uint32_t frf) {
+  // set RF switch (if present)
+  _mod->setRfSwitchState(LOW, HIGH);
+
   // user requested to start transmitting immediately (required for RTTY)
   int16_t state = ERR_NONE;
   if(frf != 0) {
@@ -352,6 +355,9 @@ int16_t SX128x::transmitDirect(uint32_t frf) {
 }
 
 int16_t SX128x::receiveDirect() {
+  // set RF switch (if present)
+  _mod->setRfSwitchState(HIGH, LOW);
+
   // SX128x is unable to output received data directly
   return(ERR_UNKNOWN);
 }
@@ -374,6 +380,9 @@ int16_t SX128x::scanChannel() {
   state = clearIrqStatus();
   RADIOLIB_ASSERT(state);
 
+  // set RF switch (if present)
+  _mod->setRfSwitchState(HIGH, LOW);
+
   // set mode to CAD
   state = setCad();
   RADIOLIB_ASSERT(state);
@@ -399,6 +408,9 @@ int16_t SX128x::scanChannel() {
 }
 
 int16_t SX128x::sleep(bool retainConfig) {
+  // set RF switch (if present)
+  _mod->setRfSwitchState(LOW, LOW);
+
   uint8_t sleepConfig = SX128X_SLEEP_DATA_BUFFER_RETAIN | SX128X_SLEEP_DATA_RAM_RETAIN;
   if(!retainConfig) {
     sleepConfig = SX128X_SLEEP_DATA_BUFFER_FLUSH | SX128X_SLEEP_DATA_RAM_FLUSH;
@@ -416,6 +428,9 @@ int16_t SX128x::standby() {
 }
 
 int16_t SX128x::standby(uint8_t mode) {
+  // set RF switch (if present)
+  _mod->setRfSwitchState(LOW, LOW);
+
   uint8_t data[] = { mode };
   return(SPIwriteCommand(SX128X_CMD_SET_STANDBY, data, 1));
 }
@@ -478,7 +493,7 @@ int16_t SX128x::startTransmit(uint8_t* data, size_t len, uint8_t addr) {
   RADIOLIB_ASSERT(state);
 
   // set RF switch (if present)
-  _mod->setRfSwitchState(true);
+  _mod->setRfSwitchState(LOW, HIGH);
 
   // start transmission
   state = setTx(SX128X_TX_TIMEOUT_NONE);
@@ -517,7 +532,7 @@ int16_t SX128x::startReceive(uint16_t timeout) {
   }
 
   // set RF switch (if present)
-  _mod->setRfSwitchState(false);
+  _mod->setRfSwitchState(HIGH, LOW);
 
   // set mode to receive
   state = setRx(timeout);