Technical Specifications Attribute Details Manufacturer MECTRON Model ME 402 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 MECTRON Model ME 400 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 MECTRON Model ME 401A Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 2 – Shield / Ground Pin 2 – Switch Line Pin 3 – RX Pin 4 – TX / PTT