diff --git a/src/LoRa_APRS_Tracker.cpp b/src/LoRa_APRS_Tracker.cpp
index dbd7b7c..8b7d56d 100644
--- a/src/LoRa_APRS_Tracker.cpp
+++ b/src/LoRa_APRS_Tracker.cpp
@@ -245,7 +245,7 @@ void setup_lora()
 	LoRa.setPins(LORA_CS, LORA_RST, LORA_IRQ);
 	Serial.println("[INFO] Set LoRa pins!");
 
-	long freq = 433775000;
+	long freq = FREQ_SET;
 	Serial.print("[INFO] frequency: ");
 	Serial.println(freq);
 	if (!LoRa.begin(freq)) {
@@ -253,9 +253,9 @@ void setup_lora()
 		show_display("ERROR", "Starting LoRa failed!");
 		while (1);
 	}
-	LoRa.setSpreadingFactor(12);
-	LoRa.setSignalBandwidth(125E3);
-	LoRa.setCodingRate4(5);
+	LoRa.setSpreadingFactor(SF_SET);
+	LoRa.setSignalBandwidth(BW_SET);
+	LoRa.setCodingRate4(CR_SET);
 	LoRa.enableCrc();
 
 	LoRa.setTxPower(20);
diff --git a/src/settings.h b/src/settings.h
index c7ecccf..41a46f3 100644
--- a/src/settings.h
+++ b/src/settings.h
@@ -8,6 +8,12 @@
 #define SYMBOL_CODE ">"
 #define SYMBOL_OVERLAY "/"
 
+// Freq and Mode Setup          - 2021-02-17 YC1HVZ
+#define FREQ_SET	433775E3    //set freq in KHz XxxXxxE3 6 digit. E3 is KHz
+#define SF_SET		12          //Spreading Factor
+#define CR_SET		5           //Coding Rate
+#define BW_SET		125E3       //Bandwith -> E3 is khz
+
 // SMART BEACONING PARAMETERS   - 2020-11-22 DJ1AN
 #define SB_ACTIVE                // uncomment to enable Smart Beaconing
 #define SB_TURN_MIN 25           // enter turn angle for smart direction depending beaconing (default=20)