diff --git a/loraprs_config.h b/loraprs_config.h
index b8f5069..c30e9b7 100644
--- a/loraprs_config.h
+++ b/loraprs_config.h
@@ -10,11 +10,11 @@ struct Config
   bool IsClientMode;    // true - client mode, false - server mode
   
   long LoraFreq;        // lora frequency, e.g. 433.775e6
-  int LoraBw;           // lora bandwidth, e.g. 125e3
-  byte LoraSf;          // lora spreading factor, e.g. 12
-  byte LoraCodingRate;  // lora coding rate, e.g. 7
-  byte LoraSync;        // lora sync word/packet id, 0x3f
-  byte LoraPower;       // lora power level in dbm, 20
+  long LoraBw;          // lora bandwidth, e.g. 125e3
+  int LoraSf;           // lora spreading factor, e.g. 12
+  int LoraCodingRate;   // lora coding rate, e.g. 7
+  int LoraSync;         // lora sync word/packet id, 0x3f
+  int LoraPower;        // lora power level in dbm, 20
   bool LoraEnableCrc;   // lora crc check enabled
 
   int AprsPort;         // aprs server port, 14580
diff --git a/loraprs_service.cpp b/loraprs_service.cpp
index d1e264d..a5ea713 100644
--- a/loraprs_service.cpp
+++ b/loraprs_service.cpp
@@ -116,7 +116,7 @@ bool Service::reconnectAprsis()
   return true;
 }
 
-void Service::setupLora(int loraFreq, int bw, byte sf, byte cr, byte pwr, byte sync, bool enableCrc)
+void Service::setupLora(long loraFreq, long bw, int sf, int cr, int pwr, int sync, bool enableCrc)
 {
   Serial.print("LoRa init...");
   
diff --git a/loraprs_service.h b/loraprs_service.h
index 9b3d11b..40da80e 100644
--- a/loraprs_service.h
+++ b/loraprs_service.h
@@ -23,7 +23,7 @@ public:
 
 private:
   void setupWifi(const String &wifiName, const String &wifiKey);
-  void setupLora(int loraFreq, int bw, byte sf, byte cr, byte pwr, byte sync, bool enableCrc);
+  void setupLora(long loraFreq, long bw, int sf, int cr, int pwr, int sync, bool enableCrc);
   void setupBt(const String &btName);
 
   void reconnectWifi();