Technical Specifications Attribute Details Manufacturer SPARKOMATIC Model CB-2023 Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 2 – Shield / Ground Pin 2 – Switch Line Pin 3 – RX Pin 4 – TX / PTT

Technical Specifications Attribute Details Manufacturer SPARKOMATIC Model CB-2123 Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 2 – Switch Line Pin 3 – RX Pin 4 – Shield / Ground Pin 5 – TX / PTT

Technical Specifications Attribute Details Manufacturer SPARKOMATIC Model CB-2300 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 SPARKOMATIC Model CB-1023 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 SPARKOMATIC Model CB-1123 Product Category Transceiver Mic Wiring Pin 1 – Shield / Ground Pin 1 – Switch Line Pin 2 – Mic Audio Pin 3 – RX Pin 4 – TX / PTT

Technical Specifications Attribute Details Manufacturer SPARKOMATIC Model CB-1123 (ALT) Product Category Transceiver Mic Wiring Pin 1 – Shield / Ground Pin 1 – Switch Line Pin 2 – RX Pin 3 – Mic Audio Pin 4 – TX / PTT