Special Features:

Public safety speaker microphon (pssm) includes a speaker, a microphone, a push-to-talk switch, a high/low volume switch and associated circuitry. A ccable connects this item to the universal connector on saber portable radios. The antenna must be ordered separately.

Properties:

An item consisting of a loudspeaker and a microphone housed in a common case. It may or may not include electronic circuitry to control its operation. Transmit-receive switching may be controlled by automatic, manual or remote operation. For a loudspeaker used as a microphone, see loudspeaker, (as modified).