Motorola BDN6728A 1-Wire Surveillance Kit with Receive-Only Earpiece

Motorola BDN6728A black surveillance accessory allows the radio user to privately receive messages and is ideal when environments require discreet communication. This single-wire, receive-only earpiece features volume control. It is intrinsically safe. This accessory requires a 3.5mm threaded adapter jack that attaches to the radio, unless being used with speaker microphone.