Motorola BDN6668A 3-Wire Surveillance Kit, Beige

Model Number:  BDN6668A

This beige, 3-wire accessory is intrinsically safe and allows the radio user to privately receive messages when environments require discreet communication. It has a separate microphone, Push-to-Talk feature and requires the 3.5mm threaded audio adapter, unless being used with a speaker microphone.