GMR 406 Package Includes: 6' foot scanner Take a "big sweep" of your surroundings The GMR 406 "big sweep" open array radar antenna allows you to scan more of what's out there with you while you're on the water. Whether ships, shores, birds or weather, you&#
GMR 406 Package Includes: 6' foot scanner Take a "big sweep" of your surroundings The GMR 406 "big sweep" open array radar antenna allows you to scan more of what's out there with you while you're on the water. Whether ships, shores, birds or weather, you'll see it sooner with the GMR 406 and it's counterpart, the GMR 404. See Everything in Sharper Detail The GMR 406 is a 6-foot scanner with 1.1º beamwidth. With this bandwidth and 4