IC-HM56A DTMF MICROPHONE



PIN 1 MIC.(white)
PIN 2 +8 volt.(red)
PIN 3 UP/DOWN.(black)
PIN 4 N/C.
PIN 5 PTT.(green)
PIN 6 PTT GROUND.(blue)
PIN 7 MIC GROUND.(schreen/braid)
PIN 8 AUDIO OUT.(n/c some tranceiver models)