Manufacturer: ICOM America HM157W
By adding an optional ICOM Command Mic, all available functions of your IC-M402 or IC-M502 radio (except DSC operation) can be controlled from remote locations. Can be used as an intercom with the main unit. Slim dimensions. Fits in palm. Sizable LCD, allows control of all functions of the main unit (except DSC operation).
20 foot cable
Mounting base for cable connector