Vertex MH-102A4B Two-Wire Surveillance Kit

For use with compatible Vertex Standard two-way radios, Communicate discreetly with a Vertex MH-101A4B two- wire surveillance style earpiece/microphone kit. Audio is direct to the ear instead of broadcast out of the external transceiver speaker. It includes a clear tube with mushroom tip and a co-located Push-to-Talk (PTT) button and microphone.