Hello there can anyone tell me if they would know if the Yaesu M-1 Base Microphone is compatible with RRC-1258MkIIs. have worked both the Yaesu MD-100A8X Yaesu MD-200A8X on the Kenwood 480 Sat with no problem but the M-1 does not key correct when I look at the green on the RRC-1258MkIIs control.
73 Gary