diff --git a/app/aircopy.c b/app/aircopy.c
index fbf71f9..deca40e 100644
--- a/app/aircopy.c
+++ b/app/aircopy.c
@@ -51,7 +51,7 @@ void AIRCOPY_SendMessage(void)
 	RADIO_SetTxParameters();
 	BK4819_SendFSKData(g_FSK_Buffer);
 	BK4819_SetupPowerAmplifier(0, 0);
-	BK4819_ToggleGpioOut(BK4819_GPIO1_PIN29, false);
+	BK4819_ToggleGpioOut(BK4819_GPIO1_PIN29_PA_ENABLE, false);
 	gAircopySendCountdown = 30;
 }
 
diff --git a/app/app.c b/app/app.c
index 28ff781..478f4fd 100644
--- a/app/app.c
+++ b/app/app.c
@@ -777,7 +777,7 @@ void APP_Update(void)
 			gRxIdleMode = true;
 			BK4819_DisableVox();
 			BK4819_Sleep();
-			BK4819_ToggleGpioOut(BK4819_GPIO0_PIN28, false);
+			BK4819_ToggleGpioOut(BK4819_GPIO0_PIN28_RX_ENABLE, false);
 			// Authentic device checked removed
 		} else {
 			DUALWATCH_Alternate();
@@ -930,7 +930,7 @@ void APP_TimeSlice10ms(void)
 					gAlarmState = ALARM_STATE_ALARM;
 					RADIO_EnableCxCSS();
 					BK4819_SetupPowerAmplifier(0, 0);
-					BK4819_ToggleGpioOut(BK4819_GPIO1_PIN29, false);
+					BK4819_ToggleGpioOut(BK4819_GPIO1_PIN29_PA_ENABLE, false);
 					BK4819_Enable_AfDac_DiscMode_TxDsp();
 					BK4819_ToggleGpioOut(BK4819_GPIO5_PIN1_RED, false);
 					GUI_DisplayScreen();
diff --git a/driver/bk4819-regs.h b/driver/bk4819-regs.h
index dde6c42..769ba8c 100644
--- a/driver/bk4819-regs.h
+++ b/driver/bk4819-regs.h
@@ -95,10 +95,10 @@ enum BK4819_REGISTER_t {
 typedef enum BK4819_REGISTER_t BK4819_REGISTER_t;
 
 enum BK4819_GPIO_PIN_t {
-	BK4819_GPIO0_PIN28 = 0,
-	BK4819_GPIO1_PIN29 = 1,
-	BK4819_GPIO3_PIN31 = 3,
-	BK4819_GPIO4_PIN32 = 4,
+	BK4819_GPIO0_PIN28_RX_ENABLE = 0,
+	BK4819_GPIO1_PIN29_PA_ENABLE = 1,
+	BK4819_GPIO3_PIN31_UHF_LNA = 3,
+	BK4819_GPIO4_PIN32_VHF_LNA = 4,
 	BK4819_GPIO5_PIN1_RED = 5,
 	BK4819_GPIO6_PIN2_GREEN = 6,
 };
diff --git a/driver/bk4819.c b/driver/bk4819.c
index ac1c2fb..2812e4c 100644
--- a/driver/bk4819.c
+++ b/driver/bk4819.c
@@ -377,14 +377,14 @@ void BK4819_RX_TurnOn(void)
 void BK4819_SelectFilter(uint32_t Frequency)
 {
 	if (Frequency < 28000000) {
-		BK4819_ToggleGpioOut(BK4819_GPIO4_PIN32, true);
-		BK4819_ToggleGpioOut(BK4819_GPIO3_PIN31, false);
+		BK4819_ToggleGpioOut(BK4819_GPIO4_PIN32_VHF_LNA, true);
+		BK4819_ToggleGpioOut(BK4819_GPIO3_PIN31_UHF_LNA, false);
 	} else if (Frequency == 0xFFFFFFFF) {
-		BK4819_ToggleGpioOut(BK4819_GPIO4_PIN32, false);
-		BK4819_ToggleGpioOut(BK4819_GPIO3_PIN31, false);
+		BK4819_ToggleGpioOut(BK4819_GPIO4_PIN32_VHF_LNA, false);
+		BK4819_ToggleGpioOut(BK4819_GPIO3_PIN31_UHF_LNA, false);
 	} else {
-		BK4819_ToggleGpioOut(BK4819_GPIO4_PIN32, false);
-		BK4819_ToggleGpioOut(BK4819_GPIO3_PIN31, true);
+		BK4819_ToggleGpioOut(BK4819_GPIO4_PIN32_VHF_LNA, false);
+		BK4819_ToggleGpioOut(BK4819_GPIO3_PIN31_UHF_LNA, true);
 	}
 }
 
@@ -545,7 +545,7 @@ void BK4819_ExitSubAu(void)
 void BK4819_Conditional_RX_TurnOn_and_GPIO6_Enable(void)
 {
 	if (gRxIdleMode) {
-		BK4819_ToggleGpioOut(BK4819_GPIO0_PIN28, true);
+		BK4819_ToggleGpioOut(BK4819_GPIO0_PIN28_RX_ENABLE, true);
 		BK4819_RX_TurnOn();
 	}
 }
diff --git a/functions.c b/functions.c
index f1e6ad9..7787f41 100644
--- a/functions.c
+++ b/functions.c
@@ -117,7 +117,7 @@ void FUNCTION_Select(FUNCTION_Type_t Function)
 		gRxIdleMode = true;
 		BK4819_DisableVox();
 		BK4819_Sleep();
-		BK4819_ToggleGpioOut(BK4819_GPIO0_PIN28, false);
+		BK4819_ToggleGpioOut(BK4819_GPIO0_PIN28_RX_ENABLE, false);
 		gBatterySaveCountdownExpired = false;
 		gUpdateStatus = true;
 		GUI_SelectNextDisplay(DISPLAY_MAIN);
diff --git a/radio.c b/radio.c
index b37b5f3..4c98fff 100644
--- a/radio.c
+++ b/radio.c
@@ -495,7 +495,7 @@ void RADIO_SetupRegisters(bool bSwitchToFunction0)
 
 	BK4819_ToggleGpioOut(BK4819_GPIO5_PIN1_RED, false);
 	BK4819_SetupPowerAmplifier(0, 0);
-	BK4819_ToggleGpioOut(BK4819_GPIO1_PIN29, false);
+	BK4819_ToggleGpioOut(BK4819_GPIO1_PIN29_PA_ENABLE, false);
 
 	while (1) {
 		Status = BK4819_ReadRegister(BK4819_REG_0C);
@@ -522,7 +522,7 @@ void RADIO_SetupRegisters(bool bSwitchToFunction0)
 			gRxVfo->SquelchOpenNoise, gRxVfo->SquelchCloseNoise,
 			gRxVfo->SquelchCloseGlitch, gRxVfo->SquelchOpenGlitch);
 	BK4819_SelectFilter(Frequency);
-	BK4819_ToggleGpioOut(BK4819_GPIO0_PIN28, true);
+	BK4819_ToggleGpioOut(BK4819_GPIO0_PIN28_RX_ENABLE, true);
 	BK4819_WriteRegister(BK4819_REG_48, 0xB3A8);
 
 	InterruptMask = 0
@@ -663,7 +663,7 @@ void RADIO_SetTxParameters(void)
 
 	gEnableSpeaker = false;
 
-	BK4819_ToggleGpioOut(BK4819_GPIO0_PIN28, false);
+	BK4819_ToggleGpioOut(BK4819_GPIO0_PIN28_RX_ENABLE, false);
 	Bandwidth = gCurrentVfo->CHANNEL_BANDWIDTH;
 	if (Bandwidth != BK4819_FILTER_BW_WIDE) {
 		Bandwidth = BK4819_FILTER_BW_NARROW;
@@ -674,7 +674,7 @@ void RADIO_SetTxParameters(void)
 	SYSTEM_DelayMs(10);
 
 	BK4819_SelectFilter(gCurrentVfo->pTX->Frequency);
-	BK4819_ToggleGpioOut(BK4819_GPIO1_PIN29, true);
+	BK4819_ToggleGpioOut(BK4819_GPIO1_PIN29_PA_ENABLE, true);
 	SYSTEM_DelayMs(5);
 
 	BK4819_SetupPowerAmplifier(gCurrentVfo->TXP_CalculatedSetting, gCurrentVfo->pTX->Frequency);