This waterproof remote microphone ONLY operates with the IC-M502, IC-M602 & IC-M402.
It controls all functions of the radio (except DSC)
Manufacturer: Icom
Part Number: HM-127, HM-127B
Condition: In Stock, Ready to Ship! This unit is in excellent physical condition and was removed from a boat that received a total electronics refit. See Photos. Guaranteed in good working order and covered by a 14 day return policy. This listing is only for what is shown in the photos. No other parts or pieces are included.