Icom OPC-999 Cable
Icom OPC-999 is a 2nd additional 20 ft Extension Cable for the rear mount HM-127 Command Mic I or HM-157 Command Mic II microphones. Must be used with OPC-1000 extension cable. Up to two OPC-999 extension cables can be connected, allowing for a total of up to 60ft of cable. For use with Command Mic II.