Technical Specifications Attribute Details Manufacturer E.F. JOHNSON Model VIKING II Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 2 – Shield / Ground Pin 2 – Switch Line Pin 3 – TX / PTT Pin 4 – … Continue reading →

Technical Specifications Attribute Details Manufacturer E.F. JOHNSON Model WHITE FACE Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 2 – TX / PTT Pin 3 – RX Pin 4 – Shield / Ground Pin 4 – Switch … Continue reading →

Technical Specifications Attribute Details Manufacturer E.F. JOHNSON Model 4750 Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 2 – Switch Line Pin 3 – Shield / Ground Pin 5 – RX Notes: 3 = Case

Technical Specifications Attribute Details Manufacturer E.F. JOHNSON Model VIKING I Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 2 – Shield / Ground Pin 2 – Switch Line Pin 3 – TX / PTT Pin 4 – … Continue reading →

Technical Specifications Attribute Details Manufacturer E.F. JOHNSON Model 4175 Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 2 – TX / PTT Pin 3 – RX Pin 4 – Auxiliary Pin 5 – Switch Line Pin 6 … Continue reading →

Technical Specifications Attribute Details Manufacturer E.F. JOHNSON Model 4230 Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 2 – Shield / Ground Pin 4 – TX / PTT Pin 5 – RX Pin 6 – Auxiliary Pin … Continue reading →

Technical Specifications Attribute Details Manufacturer E.F. JOHNSON Model 4250 Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 3 – Switch Line Pin 4 – RX Pin 5 – Shield / Ground

Technical Specifications Attribute Details Manufacturer E.F. JOHNSON Model 4140 Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 2 – Shield / Ground Pin 4 – TX / PTT Pin 5 – RX Pin 6 – Auxiliary Pin … Continue reading →

Technical Specifications Attribute Details Manufacturer E.F. JOHNSON Model 4145 Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 2 – Shield / Ground Pin 4 – TX / PTT Pin 5 – RX Pin 6 – Auxiliary Pin … Continue reading →

Technical Specifications Attribute Details Manufacturer E.F. JOHNSON Model 4170 Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 2 – Shield / Ground Pin 3 – Switch Line Pin 4 – RX

Technical Specifications Attribute Details Manufacturer E.F. JOHNSON Model 4120 Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 2 – Shield / Ground Pin 4 – TX / PTT Pin 5 – RX Pin 6 – Auxiliary Pin … Continue reading →

Technical Specifications Attribute Details Manufacturer E.F. JOHNSON Model 351 Product Category Transceiver Mic Wiring Pin 1 – Shield / Ground Pin 2 – Mic Audio Pin 3 – RX Pin 4 – Switch Line

Technical Specifications Attribute Details Manufacturer E.F. JOHNSON Model 600 Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 2 – Switch Line Pin 3 – RX Pin 4 – Shield / Ground

Technical Specifications Attribute Details Manufacturer E.F. JOHNSON Model 323M Product Category Transceiver Mic Wiring Pin 1 – Shield / Ground Pin 2 – Mic Audio Pin 3 – RX Pin 4 – Switch Line

Technical Specifications Attribute Details Manufacturer E.F. JOHNSON Model 350 Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 2 – Shield / Ground Pin 4 – TX / PTT Pin 5 – RX Pin 6 – Auxiliary Pin … Continue reading →

Technical Specifications Attribute Details Manufacturer E.F. JOHNSON Model 323 Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 2 – Shield / Ground Pin 3 – Switch Line Pin 4 – RX

Technical Specifications Attribute Details Manufacturer E.F. JOHNSON Model 323A Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 2 – Shield / Ground Pin 4 – TX / PTT Pin 5 – RX Pin 6 – Auxiliary Pin … Continue reading →

Technical Specifications Attribute Details Manufacturer E.F. JOHNSON Model 300 Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 2 – Shield / Ground Pin 3 – Switch Line Pin 4 – RX

Technical Specifications Attribute Details Manufacturer E.F. JOHNSON Model 303 Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 2 – Switch Line Pin 3 – RX Pin 4 – Shield / Ground

Technical Specifications Attribute Details Manufacturer E.F. JOHNSON Model 320 Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 2 – Shield / Ground Pin 3 – Switch Line Pin 4 – RX

Technical Specifications Attribute Details Manufacturer E.F. JOHNSON Model 223 Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 2 – TX / PTT Pin 3 – RX Pin 4 – Shield / Ground Pin 4 – Switch Line

Technical Specifications Attribute Details Manufacturer E.F. JOHNSON Model 242 Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 3 – Switch Line Pin 5 – RX Pin 6 – Shield / Ground Notes: Jumper 6 4 & 2

Technical Specifications Attribute Details Manufacturer E.F. JOHNSON Model 250 Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 2 – Switch Line Pin 3 – TX / PTT Pin 4 – Auxiliary Pin 5 – RX Pin 6 … Continue reading →

Technical Specifications Attribute Details Manufacturer E.F. JOHNSON Model 205 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 E.F. JOHNSON Model 210 Product Category Transceiver Mic Wiring Pin 1 – Mic Audio Pin 2 – Shield / Ground Pin 4 – TX / PTT Pin 5 – RX Pin 6 – Auxiliary Pin … Continue reading →