National Stock Number:
5821-00-558-6503
Federal Supply Class:
5821
National Item Identification Number:
005586503
Description:
SWITCHBOARD,SIGNAL DISTRIBUTION,
Detail:
A DEVICE WHICH, IN ASSOCIATION WITH A CONTROL KEYER, AUDIO LINES, AND A SWITCHBOARD TIED BY AIR-TO-GROUND MULTIPLEX CHANNELS, PROVIDES AN AIR-TO-AIR OR AIR-TO-GROUND AUTOMATIC SWITCHING FACILITY, HAVING THE CAPABILITY OF DETECTING INBAND TONES AND USING THIS TO KEY RADIO SETS.
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