HM135N Replacement Mic for M802This Icom mic is a replacement mic for Icom’s M802 Digital Marine SSB Radio.Features:
Water-resistant mic
PTT Switch - Push and hold to transmit; release to receive
Up/Down Switches - push either switch to change the operating channel, frequency, etc.
User Programmable Switch - Push to activate or deactivate a function, selected in the initial set mode
Quick Guide (pdf)