Commo connections within the radio to your box are through a single RJ45 breakout board and 1 RJ12 connector, each mounted at the rear of your box. Commo through the box for the microphone is via just one RJ12 connector, and that is employing only 3 with the six wires: mic floor, very hot, and 5v.Also, I do just like the TUG9 stand due to their tab