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 5910-01-386-3191
NSN 5895-01-207-0753
NSN 5855-00-927-5726
NSN 5855-01-332-7594
NSN 5905-00-826-7629
NSN 5915-01-572-7000
NSN 5996-00-207-6086
NSN 5965-00-417-8182
NSN 5996-01-263-3539
NSN 2925-00-149-0760
NSN 6135-01-603-3657
NSN 5910-01-474-7968