Commo connections within the radio to the box are via 1 RJ45 breakout board and 1 RJ12 connector, the two mounted on the rear with the box. Commo with the box into the microphone is by using a person RJ12 connector, which happens to be using only 3 of the six wires: mic floor, incredibly hot, and 5v.Simply put, the U8G is, pound for pound, the best… Read More