Garmin GMR™ 24 xHD3 24 4kw Radar Dome Model: 010-02842-00 24" 4-kW magnetron dome radars feature long ranges and improved target detection on your compatible chartplotter Scan averaging, a first for Garmin magnetron radar, helps filter out sea clutter and interference, providing boaters with enhanced detection of consistent targets Pulse expansion and angular target size processing optimize on-screen object shapes at all range scales Rotation speed of up to 60 rpm improves the redraw rate for faster target updates on your MFD The radar's true echo trails feature displays a historical "trail" of boats on the water, removing relative motion influence to help users quickly identify moving targets Auto bird gain and the bird mode preset feature help users locate flocks of birds at the water's surface — where there are often fish to be found below MARPA technology tracks selected targets, helping users keep track of other vessels and avoid collisions (requires heading sensor, sold separately) Radar overlay displays radar images over maps on your compatible chartplotter (requires heading sensor, sold separately) The reliable dome drive motor offers low-noise operation Radar detection range extends from 20 meters up to 48 nautical miles See more of what's out there, and gain extra peace of mind with the GMR™ xHD3 series dome radars. Combining high-definition imaging with our latest platform technology, these robust 4-kW magnetron radars offer new levels of confidence, clarity and performance for boaters who want to venture out on the water. Scan averaging, a first for Garmin magnetron radar, results in reduced sea clutter and interference on the display. Plus, other advanced features include true echo trails, auto bird gain, improved target-size processing and more. Delivering crisp, high-resolution