The GMR 21 adds benefits Garmin radar multifunction systems and services include GPS, Plotter, sounder and XM satellite weather information, making our network navigational system GMN one of the simplest of integrated navigation systems market .
GMR 404 radar antennas. Open 4 "4 Kw and 72 miles Required pedestal The GMR 404 open array allows you to detect more objects while browsing. Whether ships, shores, birds or weather, you'll see it sooner with the GMR 404 and its counterpart, the GMR 406.