The Icom HM-157 Command Mic for Icom marine radios is designed to control nearly every function of the IC-M402 and the IC-M502 (except DSC operation) and the IC-M602 (except DSC operation and Hailer mode). The slim design is comfortable to hold and feautres a sizable LCD and 19.8-ft of extension cable.
11 buttons. Size: 2-11/32"W x 4-25/32"H x 1-3/16"D. Weight (approx.): 8.8 oz. Submersible to JIS-7 specifications.