An electronic device which receives, converts and transmits ringing and/or supervisory or other messages over a communication circuit in the form of audio frequency tones. May include integral interrupters, oscillators and hybrid and filter networks. Excludes generator, ringing, static and generator, ringing, machine.
Classification: Articles designed for connection to telegraphic or telephonic apparatus or instruments or to telegraphic or telephonic networks
NSN 5855-01-392-1110
NSN 4140-01-281-4058
NSN 5999-01-361-7735
NSN 2925-01-027-1293
NSN 5996-01-623-8237
NSN 6130-01-428-7355
NSN 5855-01-079-8716
NSN 5895-01-634-0630
NSN 5835-01-364-6830
NSN 6105-00-216-5813
NSN 5990-01-463-5400
NSN 5998-00-143-4723