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 6320-01-476-7702
NSN 5915-01-431-7962
NSN 6645-01-535-7136
NSN 5930-00-685-0588
NSN 6110-01-558-1017
NSN 6620-01-502-9104
NSN 6610-00-186-9180
NSN 5985-01-633-1055
NSN 6130-01-170-8282
NSN 2925-00-827-2326
NSN 7035-01-462-5766
NSN 6130-00-647-8471