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Sensor 1 Mushroom GPS 5HZ Radar Receiver
Source 1835 of good quality marine radar GPS for sailing on m.alibaba.com
R3 Extreme Long Range Radar/Laser Detector — Uniden America Corporation
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Uniden DFR7 Super Long Range Radar Detector with GPS — Beach Camera
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Marine Radars: Furuno 1623 radar at The GPS Store, Inc.