diff --git a/df_datalink_sp/src/networking/phy_layer/phy_antenna.c b/df_datalink_sp/src/networking/phy_layer/phy_antenna.c
index 48b1c10..91fea8b 100644
--- a/df_datalink_sp/src/networking/phy_layer/phy_antenna.c
+++ b/df_datalink_sp/src/networking/phy_layer/phy_antenna.c
@@ -35,9 +35,9 @@
 #define ANT_MODE_WIDE_BEAM_3 0x30 // 120
 
 #define ANT_MODE_HIGH_POWER 0x00
-#define ANT_MODE_LOWAPOWER 0x04
+#define ANT_MODE_LOW_POWER 0x04
 #define ANT_MODE_STANDBY 0x0F
-#define ATN_MODE_DEFAULT (ANT_MODE_WIDE_BEAM_1 | ANT_MODE_LOWAPOWER)
+#define ATN_MODE_DEFAULT (ANT_MODE_WIDE_BEAM_1 | ANT_MODE_LOW_POWER)
 #define ATN_MODE_HIGH (ANT_MODE_WIDE_BEAM_1 | ANT_MODE_HIGH_POWER)
 
 #define DEFAULT_CENTRTAL_FREQ 0x06D7 // 26.25GHz
@@ -242,8 +242,30 @@ void Phy_AntConfigInit(PHY_ANT_CONFIG *antConfig)
 	// ***********************
 }
 
+void Phy_AntConfigMode(PHY_INST *instPtr, PHY_ANT_MODE mode) 
+{
+	ASSERT(instPtr != NULL);
+	uint8_t config = instPtr->antConfig.antMode & (~ANT_MODE_BEAM_MASK);
+	switch (mode)
+	{
+	case PHY_ANT_MODE_SILENT:
+		config |= ANT_MODE_STANDBY;
+		break;
+	case PHY_ANT_MODE_LOW_POWER:
+		config |= ANT_MODE_LOW_POWER;
+		break;
+	case PHY_ANT_MODE_HIGH_POWER:
+		config |= ANT_MODE_HIGH_POWER;
+		break;
+	default:
+		DBG_ERROR("Unknown antenna mode: %" PRIu8 ", remain previous mode.\n", mode);
+		break;
+	}
+}
+
 int32_t Phy_SetBeamNo(PHY_INST *instPtr, int32_t beamNo)
 {
+	ASSERT(instPtr != NULL);
 	if (instPtr->beamWd.next == PHY_ANT_BEAM_8)
 	{
 		if (beamNo >= L1_NUM_ANT_NRRW_PATTERN)
@@ -292,6 +314,7 @@ int32_t Phy_SetBeamNo(PHY_INST *instPtr, int32_t beamNo)
 
 int32_t Phy_SetBeamWidth(PHY_INST *instPtr, PHY_ANT_BEAM_WIDTH beamWidth)
 {
+	ASSERT(instPtr != NULL);
 	uint8_t beamConfig = instPtr->antConfig.antMode & (~ANT_MODE_BEAM_MASK);
 	switch (beamWidth)
 	{
@@ -320,6 +343,7 @@ int32_t Phy_SetBeamWidth(PHY_INST *instPtr, PHY_ANT_BEAM_WIDTH beamWidth)
 // Common version radius double input
 int32_t Phy_SetBeamAngle(PHY_INST *instPtr, double offAx, double rndAx)
 {
+	ASSERT(instPtr != NULL);
 	uint16_t offAxDeg = 0;
 	uint16_t rndAxDeg = 0;
 	offAxDeg = (offAx >= 0) ? (((int32_t)(offAx * 180 / ANT_PI)) % 360) : (((int32_t)(offAx * 180 / ANT_PI)) % 360 + 360);
diff --git a/df_datalink_sp/src/networking/phy_layer/phy_layer.h b/df_datalink_sp/src/networking/phy_layer/phy_layer.h
index a0305b6..cc3614b 100644
--- a/df_datalink_sp/src/networking/phy_layer/phy_layer.h
+++ b/df_datalink_sp/src/networking/phy_layer/phy_layer.h
@@ -167,6 +167,14 @@ typedef enum
 	PHY_MODE_PULL = 3
 } PHY_MODE;
 
+typedef enum
+{
+	PHY_ANT_MODE_NONE = 0,
+	PHY_ANT_MODE_SILENT = 1,
+	PHY_ANT_MODE_LOW_POWER = 2,
+	PHY_ANT_MODE_HIGH_POWER = 3,
+} PHY_ANT_MODE;
+
 typedef struct
 {
 	uint32_t devId;
@@ -255,6 +263,7 @@ uint32_t Phy_GetHopLength(L1_FRAME_TYPE frameType);
 uint32_t Phy_GetTimeComp(L1_FRAME_TYPE frameType);
 
 void Phy_AntConfigInit(PHY_ANT_CONFIG *antConfig);
+void Phy_AntConfigMode(PHY_INST *instPtr, PHY_ANT_MODE mode);
 int32_t Phy_SetBeamWidth(PHY_INST *instPtr, PHY_ANT_BEAM_WIDTH beamWidth);
 int32_t Phy_SetBeamNo(PHY_INST *instPtr, int32_t beamNo);
 int32_t Phy_SetBeamAngle(PHY_INST *phyInstPtr, double offAx, double rndAx);