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 5930-01-162-2951
NSN 5945-00-905-3997
NSN 5950-00-374-8410
NSN 5960-00-044-6644
NSN 6645-01-492-9823
NSN 2925-01-058-1718
NSN 5835-01-531-0379
NSN 5935-01-270-3568
NSN 6685-01-104-3708
NSN 6645-01-116-9634
NSN 6220-01-013-9498
NSN 5835-01-360-2657