This 15-watt two-way GMSR radio broadcasts up to three times the range of other GMSR radios. It features an external magnetic mount antenna for extended range, eight repeater channels, 15 Hi power channels, 142 privacy codes and NOAA weather radio. Measures 5” x 5.25” x 1”. Max range of 50 miles with no obstructions; ideal range is 10-15 miles with partial obstructions.