I have an Icom IC-746 (original, not pro.) I need a DTMF microphone
for it. I have an Icom HM-118TN for my IC-706 MKII g, but it has a
modular connector. If I buy a modular to 8-pin adapter, will the 118T
work satisfactorily with the IC-746? Correct gain, impedance, etc.?

Dick - W6CCD