Radio Application Marine, Radio Classification Business, Radio Series Standard Horizon HX40, Analog, Band Type VHF, Number of Channels 1,065, Output Watts 6 W, Waterproof Yes, Portable Two Way Radio, 156.025 to 161.600 MHz, 156.050 to 163.275 MHz Frequency, Display Type Dot Matrix LCD, License Required No, FCC Narrow Band Compliant Yes, Length 1 5/16 in, Width 2 1/16 in, Height 3 3/4 in, Selectable Frequencies No, IPX7 IP Rating, Navigation Aids None, Outdoor Range (Miles) 2 to 4