Commo connections from the radio into the box are by using a person RJ45 breakout board and just one RJ12 connector, both equally mounted with the rear in the box. Commo in the box to the microphone is by way of one RJ12 connector, which happens to be working with only 3 from the 6 wires: mic ground, very hot, and 5v.Also, I do such as TUG9 stand d