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 5996-00-948-7030
NSN 6145-01-339-6124
NSN 5999-01-020-7641
NSN 5975-01-570-8800
NSN 6645-00-163-9580
NSN 6620-00-185-1671
NSN 5998-00-446-4109
NSN 6150-01-352-6335
NSN 5985-01-085-9332
NSN 5975-00-392-9136
NSN 5835-01-364-6830
NSN 6135-01-226-4071