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 5855-01-468-4996
NSN 5930-00-518-4790
NSN 5915-01-143-6759
NSN 6135-01-151-2705
NSN 5960-01-445-3622
NSN 6320-00-456-0836
NSN 6650-01-158-5099
NSN 6240-01-337-2509
NSN 5945-00-270-1474
NSN 4140-01-160-8106
NSN 5950-01-435-4405
NSN 6145-01-605-4451