Raymarines HD Digital scanners provide crystal-clear radar in a compact, all-in-one design suitable for boats of any size. Using advanced HD Digital signal processing and fully compatible with a-, c-, and e-Series multifunction displays, they deliver a vivid 256-color radar image for one of the most realistic radar presentations available. The RD418HD feature the same adaptive digital receiver technology found in Raymarines open-array antennas. This system automatically adjusts to changing sea and weather conditions, giving sharp, accurate target detection at short ranges and impressive performance up to 48 nautical miles. Even in tough weather, the powerful processor separates real targets from noise and clutter, making navigation safer and easier. Bringing performance typically found on larger vessels, the RD418HD and put professional-grade radar capability in the hands of small and mid-size boat captains. Features: • Adaptive digital receiver for clear images • High-speed 48?RPM target tracking • Fast digital processor • 256-color display with selectable palettes • Bird Mode for spotting fish • Automatic harbor, coastal, offshore, buoy modes • Dual-range monitoring Ultra-clear 256-color radar display Long-range detection up to 48?NM Performs reliably in rain, fog, & rough seas | Raymarine RD418HD Hi-Def Digital Radar Dome w/ 10M Cable