EM-4238 отзывы

EM-4238 1-wire Surveillance Earpiece with inline PTT microphone for Two Way Radios. This acoustic tube earpieces are in use by all professional sectors of radio communications. It is ideal for surveillance purposes and security at airports; casinos; crowd control at conventions and concerts; and other working environment requiring discreet communications. This model feature a Quick Disconnect design to allow the acoustic tubes to be changed easily.This Surveillance Headset delivers crisp, clear sound...