Building on the success of the HX851, Standard Horizon introduces a whole new level in safety and performance in a marine floating handheld VHF/GPS. The HX870S FLOATING CLASS D DSC VHF handheld features a 66-channel WAAS GPS receiver allowing the radio to transmit a DSC distress call with your vessels position or navigate to a waypoint. The new Oversized full dot matrix LCD (1.7â€ (W) x 1.7â€ (H) or 2.3â€ diagonal) and Easy to Operate Icon/Menu System makes this the most intuitive handheld on the market: DSC calling, position sharing, waypoint and route navigation, navigation to DSC distress call can all be performed with just a few simple steps making the HX870 perfect for everyday use or adding to your ditch bag. The radio is designed to be a work horse, starting with the die-cast chassis and the IPX8 submersible waterproof rating of 4.92 feet for 30 minutes, to the 6 Watts of transmit power and the long lasting 1800 mAh Li-Ion battery. The HX870 is also capable of entering and saving up to 200 waypoints and 20 routes, which may be selected for navigating to via the radios unique compass page which shows your vessels SOG, COG, BRG (Bearing) and DST (Distance) to the waypoint. The compass page can also display the position of up to 9 vessels in proximity to you via the new GM (Group Monitoring) feature. Advanced features include: Full dot matrix display with channel names, Position request and Position report, 10 channel preset key selection, USB Data Port, GPS Position Logger, water activated SOS strobe light (the radio will turn on and flash SOS even if dropped in the water while the radio is turned off), NOAA Weather with Weather Alert, programmable Memory and Priority Scan, Dual and Tri Watch scan functions. The HX870 is supplied with a high capacity1800 mAh Li-Ion Battery, 110VAC and 12VDC 3-hour quick chargers, and an Alkaline Battery Tray (AAAx5). The HX870 is backed by an industry leading 3-year waterproof warranty.