Special Features:

Housing, aluminum alloy; dimensions, 4.5 width, 2.10 height, 6.30 diameter; weight, 1.46 pounds; voltage input, 9-36 vdc; power usage, 0.08 amps at 24 vdc (2 watts); ports, one digital communications, one headset

Properties:

An item which may provide two-way amplified voice communications when connected to one or more like stations directly or via intermediate control equipment; includes loudspeaker (which may be used as a loudspeaker or microphone), signalling devices, amplifier and station selector switches. May include separate microphone, earphone, handset or headset. See also, telephone connecting station.