NHRC manufactures a variety of repeater controller and related accessories.
- HiFi Digital Audio Delay board for NHRC-3, NHRC-4, and NHRC-10 repeater controllers.
Allows squelch-tail elimination and complete muting of DTMF tones.
- NHRC Intelligent DTMF Remote Control.
Provides DTMF remote control of up to eight loads, with CW confirmation.
- Microprocessor-controlled Carrier-Activated switch for Repeaters.
Provides multi-level squelch delays based on signal quality.
- NHRC Lossless VOX. Generates COR with NO VOX LOSS.