Technical Specifications Attribute Details Manufacturer DYN Model RCB 15/55 Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 2 – Shield / Ground Pin 2 – Switch Line Pin 3 – RX Pin 5 – TX / PTT

Technical Specifications Attribute Details Manufacturer DYN Model RCB 70/75 Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 3 – RX Pin 4 – Shield / Ground Pin 4 – Switch Line Pin 5 – TX / PTT

Technical Specifications Attribute Details Manufacturer DYN Model RCB 10 Product Category Transceiver Mic Wiring Pin 1 – RX Pin 2 – Mic Audio Pin 3 – Shield / Ground Pin 4 – Switch Line