 
 void initialize_radio()
 {
-  //reset RN2483
+  //reset RN2xx3
   pinMode(RESET, OUTPUT);
   digitalWrite(RESET, LOW);
   delay(100);
   digitalWrite(RESET, HIGH);
   
-  delay(100); //wait for the RN2483's startup message
+  delay(100); //wait for the RN2xx3's startup message
   mySerial.flush();
 
   //check communication with radio
   String hweui = myLora.hweui();
   while(hweui.length() != 16)
   {
-    Serial.println("Communication with RN2483 unsuccesful. Power cycle the board.");
+    Serial.println("Communication with RN2xx3 unsuccesful. Power cycle the board.");
     Serial.println(hweui);
     delay(10000);
     hweui = myLora.hweui();

 * The appropriate line is "myLora.initABP(XXX);" or "myLora.initOTAA(XXX);"
 * When using ABP, it is advised to enable "relax frame count".
 * 
 * Connect the RN2483 as follows:
 * RN2483 -- ESP8266
 * Uart TX -- GPIO4
 * Uart RX -- GPIO5
 * Reset -- GPIO15

  //print out the HWEUI so that we can register it via ttnctl
  Serial.println("When using OTAA, register this DevEUI: ");
  Serial.println(hweui);
  Serial.println("RN2xx3 firmware version:");
  Serial.println(myLora.sysver());

  //configure your keys and join the network
