WITH ALC - (RED connector is ALWAYS KEYING on this cable, the other color is ALC). Amplifier keying cable for ICOM radios with 13 pin DIN connectors on the back panel. Our RBI-1 is HIGHLY suggested because (for example) the ICOM IC-706 series radios only have 20 ma current capability to complete an amplifier relay T/R circuit when you transmit.
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