diff --git a/app/aircopy.c b/app/aircopy.c
index deca40e9..5c2372bf 100644
--- a/app/aircopy.c
+++ b/app/aircopy.c
@@ -115,7 +115,7 @@ static void AIRCOPY_Key_DIGITS(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld)
 		gInputBoxIndex = 0;
 		NUMBER_Get(gInputBox, &Frequency);
 		for (i = 0; i < 7; i++) {
-			if (Frequency >= gLowerLimitFrequencyBandTable[i] && Frequency <= gUpperLimitFrequencyBandTable[i]) {
+			if (Frequency >= LowerLimitFrequencyBandTable[i] && Frequency <= UpperLimitFrequencyBandTable[i]) {
 				gAnotherVoiceID = (VOICE_ID_t)Key;
 				gRxVfo->Band = i;
 				Frequency += 75;
diff --git a/app/app.c b/app/app.c
index 478f4fd0..b2672632 100644
--- a/app/app.c
+++ b/app/app.c
@@ -381,10 +381,10 @@ void APP_SetFrequencyByStep(VFO_Info_t *pInfo, int8_t Step)
 	uint32_t Frequency;
 
 	Frequency = pInfo->ConfigRX.Frequency + (Step * pInfo->StepFrequency);
-	if (Frequency > gUpperLimitFrequencyBandTable[pInfo->Band]) {
-		pInfo->ConfigRX.Frequency = gLowerLimitFrequencyBandTable[pInfo->Band];
-	} else if (Frequency < gLowerLimitFrequencyBandTable[pInfo->Band]) {
-		pInfo->ConfigRX.Frequency = FREQUENCY_FloorToStep(gUpperLimitFrequencyBandTable[pInfo->Band], pInfo->StepFrequency, gLowerLimitFrequencyBandTable[pInfo->Band]);
+	if (Frequency > UpperLimitFrequencyBandTable[pInfo->Band]) {
+		pInfo->ConfigRX.Frequency = LowerLimitFrequencyBandTable[pInfo->Band];
+	} else if (Frequency < LowerLimitFrequencyBandTable[pInfo->Band]) {
+		pInfo->ConfigRX.Frequency = FREQUENCY_FloorToStep(UpperLimitFrequencyBandTable[pInfo->Band], pInfo->StepFrequency, LowerLimitFrequencyBandTable[pInfo->Band]);
 	} else {
 		pInfo->ConfigRX.Frequency = Frequency;
 	}
diff --git a/app/main.c b/app/main.c
index 571bb4a1..b389638b 100644
--- a/app/main.c
+++ b/app/main.c
@@ -85,7 +85,7 @@ static void MAIN_Key_DIGITS(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld)
 				uint8_t i;
 
 				for (i = 0; i < 7; i++) {
-					if (Frequency <= gUpperLimitFrequencyBandTable[i] && (gLowerLimitFrequencyBandTable[i] <= Frequency)) {
+					if (Frequency <= UpperLimitFrequencyBandTable[i] && (LowerLimitFrequencyBandTable[i] <= Frequency)) {
 						gAnotherVoiceID = (VOICE_ID_t)Key;
 						if (gTxVfo->Band != i) {
 							gTxVfo->Band = i;
@@ -98,7 +98,7 @@ static void MAIN_Key_DIGITS(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld)
 						gTxVfo->ConfigRX.Frequency = FREQUENCY_FloorToStep(
 								Frequency,
 								gTxVfo->StepFrequency,
-								gLowerLimitFrequencyBandTable[gTxVfo->Band]
+								LowerLimitFrequencyBandTable[gTxVfo->Band]
 								);
 						gRequestSaveChannel = 1;
 						return;
diff --git a/board.c b/board.c
index 3b840ffd..c7e058bb 100644
--- a/board.c
+++ b/board.c
@@ -683,9 +683,6 @@ void BOARD_EEPROM_Init(void)
 	EEPROM_ReadBuffer(0x0F40, Data, 8);
 	gSetting_F_LOCK         = (Data[0] < 6) ? Data[0] : F_LOCK_OFF;
 
-	gUpperLimitFrequencyBandTable = UpperLimitFrequencyBandTable;
-	gLowerLimitFrequencyBandTable = LowerLimitFrequencyBandTable;
-
 	gSetting_350TX          = (Data[1] < 2) ? Data[1] : true;
 	gSetting_KILLED         = (Data[2] < 2) ? Data[2] : false;
 	gSetting_200TX          = (Data[3] < 2) ? Data[3] : false;
diff --git a/misc.h b/misc.h
index 76929f50..20a7db3e 100644
--- a/misc.h
+++ b/misc.h
@@ -79,9 +79,6 @@ enum CssScanMode_t {
 
 typedef enum CssScanMode_t CssScanMode_t;
 
-extern const uint32_t *gUpperLimitFrequencyBandTable;
-extern const uint32_t *gLowerLimitFrequencyBandTable;
-
 extern bool gSetting_350TX;
 extern bool gSetting_KILLED;
 extern bool gSetting_200TX;
diff --git a/radio.c b/radio.c
index 04cd104a..3bdacf93 100644
--- a/radio.c
+++ b/radio.c
@@ -194,7 +194,7 @@ void RADIO_ConfigureChannel(uint8_t VFO, uint32_t Configure)
 			gEeprom.ScreenChannel[VFO] = gEeprom.FreqChannel[VFO];
 		}
 		Index = Channel - FREQ_CHANNEL_FIRST;
-		RADIO_InitInfo(pRadio, Channel, Index, gLowerLimitFrequencyBandTable[Index]);
+		RADIO_InitInfo(pRadio, Channel, Index, LowerLimitFrequencyBandTable[Index]);
 		return;
 	}
 
@@ -321,12 +321,12 @@ void RADIO_ConfigureChannel(uint8_t VFO, uint32_t Configure)
 	}
 
 	Frequency = pRadio->ConfigRX.Frequency;
-	if (Frequency < gLowerLimitFrequencyBandTable[Band]) {
-		pRadio->ConfigRX.Frequency = gLowerLimitFrequencyBandTable[Band];
-	} else if (Frequency > gUpperLimitFrequencyBandTable[Band]) {
-		pRadio->ConfigRX.Frequency = gUpperLimitFrequencyBandTable[Band];
+	if (Frequency < LowerLimitFrequencyBandTable[Band]) {
+		pRadio->ConfigRX.Frequency = LowerLimitFrequencyBandTable[Band];
+	} else if (Frequency > UpperLimitFrequencyBandTable[Band]) {
+		pRadio->ConfigRX.Frequency = UpperLimitFrequencyBandTable[Band];
 	} else if (Channel >= FREQ_CHANNEL_FIRST) {
-		pRadio->ConfigRX.Frequency = FREQUENCY_FloorToStep(pRadio->ConfigRX.Frequency, gEeprom.VfoInfo[VFO].StepFrequency, gLowerLimitFrequencyBandTable[Band]);
+		pRadio->ConfigRX.Frequency = FREQUENCY_FloorToStep(pRadio->ConfigRX.Frequency, gEeprom.VfoInfo[VFO].StepFrequency, LowerLimitFrequencyBandTable[Band]);
 	}
 
 	if (Frequency >= 10800000 && Frequency <= 13599990) {