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 6145-00-067-6418
NSN 6685-00-091-9378
NSN 5855-00-221-9435
NSN 7035-01-003-9142
NSN 5905-01-024-1244
NSN 6320-01-498-4954
NSN 7035-01-190-7332
NSN 6130-00-471-3625
NSN 4140-01-235-1757
NSN 5910-01-303-6840
NSN 4140-00-133-1780
NSN 6130-01-313-2596