2-WIRE SURVEILLANCE STYLE Lapel Microphone with QD® QUICK-DISCONNECT. Includes Acoustic Tube Earphone with Bud. Unique design with belt-mounted PTT. Also includes semi-custom Ear Mold.
Fits older Vertex radios with multi-pin connector (note: NOT compatible with VX-537 or NYPD models) including: VX-310, VX-500, VX-510, VX-520, and VX-520UD.
