Marine Handheld Two Way Radio, Band Type VHF, Radio Transmission Analog, Digital Radio Technology Not Applicable, License Required Yes, Programming Requirements Pre-Programmed, Number of Channels 40, Output Power 5 W, Minimum Frequency 134 MHz, Maximum Frequency 174 MHz, Display Type Alphanumeric, Subscription Type Not Applicable, Radio Series HX400IS, Battery Life 20 hr, Number of Radios Included 1, Waterproof Yes, Repeater Capable Yes, Intrinsically Safe Yes, VOX (Voice Operated Exchange) Yes