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 6135-01-285-8807
NSN 6645-00-663-8111
NSN 4140-01-302-9015
NSN 7035-01-062-0184
NSN 6135-01-077-5705
NSN 4140-01-384-1735
NSN 5855-00-361-0167
NSN 6685-00-319-8882
NSN 5950-00-562-0639
NSN 7035-01-394-1324
NSN 6650-01-161-1624
NSN 6620-00-983-4171