ICOM MODELS-HM98-HM118-HM118N-HM118N-HM118TN-HM118T/TA.



PIN 1 +8 VOLTS DC output (max 10 Ma)
PIN 2 UP/DOWN.
PIN 3 +8 VOLTS IN.
PIN 4 PTT.
PIN 5 MIC GROUND.
PIN 6 MIC.
PIN 7 GROUND.
PIN 8 DATA IN.