J.E.I. Line Interfaces and Telephone Couplers

Communications Recording Systems
Voice Logging Recorders & Audio Products

Serving the Public Service Sector Since 1967

Thu Mar 4, 2021
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JEI Line Interfaces and Telephone Couplers

J.E.I. makes standard and custom audio line interfaces and Telephone Line Couplers for use with our analog and digital voice logging recorders. Read about them here: Recorder Audio Connections. If you don't find what you want here, check out our Custom Audio Equipment Worksheet. We can build what you want.

TC-1B	Single line Telephone coupler
TC-2/2CA	Multi-line Telephone coupler
TC-3	Handset Telephone coupler
RTC-100R	Radio coupler with R/T mixer
RTC-100T	Single line Telephone coupler

RC-1	transformer and AC coupled audio line isolator
AD-1	Audio Discriminator VOX control
AM-800	4-wire audio mixer for radio
NF-100	Audio Notch Filter
Tone Decoder	for fire department signalling

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