Standard Horizon MH-73A4B speaker microphone, waterproof to IPX7 (1 meter for 30 minutes) with the same rugged features of the standard Horizon HX7 and HX8 series handheld VHF radios. Features a built-in rotating clip for attachment to a collar or sleeve for easy access and allows the VHF radio to be carried in a pocket or clipped to a belt.
This speaker-microphone unit is compatible with Standard Horizon marine VHF radio models, HX870E, HX851E, HX760E, HX40E, HX751E, HX400E, HX370E & HX290E.