This document outlines some details to help you better understand the features of your new PiRLP nod
PiRLP Node Information Rev 3 – Mar 18, 2013 The wiring is as follows: Pin 2 – PTT Output This pin should be connected to the radio PTT. This lead is active LOW only (goes to ground for radio to transmit). Pin 3 – AUX1 Output This p in should be connected ...