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 5925-01-514-7048
NSN 5925-01-101-9480
NSN 4140-00-415-6513
NSN 5910-01-376-1435
NSN 6650-01-251-5213
NSN 6130-01-501-2611
NSN 5855-01-068-3683
NSN 6240-01-595-3026
NSN 5935-01-398-9114
NSN 5895-00-727-8708
NSN 6130-01-185-4956
NSN 5998-01-274-2389