Safety compliance made easierﾡﾪexplore our extensive range of safety products today! What is the AADPHSRMMSH 3-Wire Surveillance Mic? (DISCONTINUED) The AADPHSRMMSH?is a 3-wire surveillance mic that has an acoustic tube and is used with Bendix King legacy series portable radios. The 3 wires come from the radio connector; one for the earpiece, one for the microphone to attach to your uniform lapel and one for the barrel style push to talk (PTT) that fits perfectly in your palm. Works with the following Bendix King Radios: DPH5102X, DPHX5102X, DPH5102X-CMD GPH5102X, GPH5102XP, GPH5102XP-CMD EPH Series Radios Why Choose the AADPHSRMMSH 3-Wire Surveillance Mic? The surveillance style 3 wire mic is used with Relm BK DPH, GPH, EPH series radios for undercover and covert operations. This surveillance mic is discrete and has custom ear tip options that you can pick to ensure a comfortable fit. The 3-Wire Surveillance Mic is often used by Law Enforcement (LE) and other Public Safety personnel for covert radio communications with their BK Radio handheld radios. Recommended Options: Hearing Protection Foam Ear Tips– with 29dB noise reduction, one for your acoustic tube, one for your other ear. Open Ear Insert– fits just inside your ear allowing ambient noise to filter thru; choose Left or Right ear when ordering. Replacement Tip – have you looked at your existing ear-tip lately? Maybe it’s time for a new one.