Vertex MH101A4B Discrete Earpiece with PTT.
Model Number: MH101A4B
MH101A4B Discrete Earpiece with PTT
Monitor communications hands -free with a simple ear piece and microphone. The MH-101A4B is a 1 wire surveillance style earpiece/microphone kit for use with compatible Vertex Standard two way radios. It includes a clear tube ear piece with mushroom tip and an inline microphone with Push-to-Talk (PTT).
