{"product_id":"garmin-gmr™-18-hd3-marine-radar","title":"Garmin GMR™ 18 HD3 Marine Radar","description":"\u003cp\u003eThe Garmin GMR™ 18 HD3 Marine Radar delivers professional-grade detection with HD3 technology, providing exceptional clarity in all weather conditions. This 18-inch radome offers superior target separation and extended range capabilities, ideal for serious mariners navigating challenging waters. Advanced signal processing minimises clutter whilst maintaining crisp, reliable imagery of vessels, landmasses, and weather systems. Seamlessly integrates with Garmin marine systems for unified helm management. Built to withstand demanding maritime environments, the GMR 18 HD3 combines durability with cutting-edge performance for confident navigation and collision avoidance.\u003c\/p\u003e\n\u003ch3\u003eRADAR OVERLAY\u003c\/h3\u003e\n\u003cp class=\"app__feature__card__description app__feature__card__description--left\"\u003eOverlay radar images onto your chartplotter's map page. You can add an optional autopilot or heading sensor (sold separately) for best results.\u003c\/p\u003e\n\u003ch3\u003eDYNAMIC AUTO GAIN\u003c\/h3\u003e\n\u003cp class=\"app__feature__card__description app__feature__card__description--left\"\u003eGain automatically adjusts levels to optimum settings\u003c\/p\u003e\n\u003ch3\u003eDYNAMIC SEA FILTER\u003c\/h3\u003e\n\u003cp class=\"app__feature__card__description app__feature__card__description--left\"\u003eRadar gain automatically adjusts sea clutter for calm, medium and rough sea conditions.\u003c\/p\u003e\n\u003ch3\u003eLOW-NOISE SCANNING\u003c\/h3\u003e\n\u003cp class=\"app__feature__card__description app__feature__card__description--left\"\u003eThe reliable GMR HD3 dome drive motor spins at a fixed 24 rpm, offering reliable, low-noise operation and minimal power consumption\u003c\/p\u003e\n\u003ch3\u003eDUAL-RADAR SUPPORT\u003c\/h3\u003e\n\u003cp class=\"app__feature__card__description app__feature__card__description--left\"\u003eUsing dual radar provides redundancy and allows each display unit on the boat to pull data from one of two different radar sources.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGMR 18 HD3 dome radar\u003c\/li\u003e\n\u003cli\u003ePower cable (15 m\/49.21 ft)\u003c\/li\u003e\n\u003cli\u003eNetwork cable (15 m\/49.21 ft)\u003c\/li\u003e\n\u003cli\u003eMounting hardware kit and template\u003c\/li\u003e\n\u003cli\u003eInstallation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDimension\u003c\/th\u003e\n\u003ctd\u003e20″ diameter, 9.8″ high (508 mm diameter, 248 mm high)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e7.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003e\u003ca href=\"https:\/\/www.garmin.com\/en-GB\/legal\/waterrating-definitions\/\"\u003eWater rating\u003c\/a\u003e\u003c\/th\u003e\n\u003ctd\u003eIPX7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAntenna Length\u003c\/th\u003e\n\u003ctd\u003e17″ (43 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRotation speed (RPM)\u003c\/th\u003e\n\u003ctd\u003e24 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBeam width\u003c\/th\u003e\n\u003ctd\u003e5.2° horizontal, 25° vertical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMaximum range\u003c\/th\u003e\n\u003ctd\u003e36 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMinimum range\u003c\/th\u003e\n\u003ctd\u003e20 metres\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRadar type\u003c\/th\u003e\n\u003ctd\u003eRadome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr class=\"title\"\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003ch3\u003eElectrical features\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePOWER INPUT\u003c\/th\u003e\n\u003ctd\u003e11 - 32 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePower Consumption (standby)\u003c\/th\u003e\n\u003ctd\u003e15 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTypical power consumption, transmitting (normal mode)\u003c\/th\u003e\n\u003ctd\u003e40 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTransmit power\u003c\/th\u003e\n\u003ctd\u003e4 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr class=\"title\"\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003ch3\u003eRadar features\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOverlay\u003c\/th\u003e\n\u003ctd class=\"yes\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDual radar support\u003c\/th\u003e\n\u003ctd class=\"yes\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAuto Gain\u003c\/th\u003e\n\u003ctd\u003eDynamic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMARPA target tracking\u003c\/th\u003e\n\u003ctd\u003eYes (requires heading sensor, sold separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Garmin","offers":[{"title":"Default Title","offer_id":55456637419896,"sku":"$002000097947","price":1321.01,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/9146\/7500\/files\/GMR18.jpg?v=1771407850","url":"https:\/\/foxschandlery.com\/en-je\/products\/garmin-gmr%e2%84%a2-18-hd3-marine-radar","provider":"Fox's Chandlery","version":"1.0","type":"link"}