The AN/SGC-1A Radio Teletype Terminal Set permitted the transmission and reception of radioteletype messages between stations that were similarly equipped. It employed 200 Hz audio frequency shift keying FSK using 500 and 700 Hz tones to represent mark and space conditions. This terminal set was manufactured in 1950 by the Remler Company Ltd. of San Francisco and operates from 115 VAC 50-60Hz. Supplied in good condition, Grade 3 Untested.
