Tram TR-27E Make Tram Model TR-27E Year ~1963 Power Output 3.5 watts minimum Tram TR-27E CB Horizons Magazine, October 1963, page 33 Tram TR-27E – advertsment Technical Specifications AttributeDetails ManufacturerTRAM ModelTR-27E Product CategoryTransceiver Mic Wiring Pin 6 – Mic Audio Pin 7 – RX Pin 9 – Shield / Ground Pin 9 – Switch Line