{"product_id":"gmr-18-hd3-radar-322-0100284300","title":"Garmin GMR™ 18 HD3 Radar Dome","description":"\u003cp\u003eThe \u003cstrong\u003eGarmin GMR™ 18 HD3\u003c\/strong\u003e is a compact 18\" magnetron radar dome designed for boaters who want reliable, high-definition situational awareness without the bulk of an open-array system. With 4kW of transmit power and a 36-nautical-mile maximum range, it delivers a clear picture of surrounding traffic, landmasses, and weather — even in challenging conditions.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4kW transmit power\u003c\/strong\u003e — strong returns at distance for confident navigation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e36-nautical-mile maximum range\u003c\/strong\u003e — broad coverage for offshore and coastal passages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e18\" space-saving dome\u003c\/strong\u003e — fits easily on smaller vessels and T-tops\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMARPA target tracking\u003c\/strong\u003e — monitors up to 10 moving targets simultaneously\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic auto gain and sea clutter filter\u003c\/strong\u003e — automatically optimizes the picture in varying sea states\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-radar support\u003c\/strong\u003e — run two radars simultaneously when paired with a compatible Garmin chartplotter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet dome drive motor\u003c\/strong\u003e — low-noise operation suitable for helm stations and flybridge installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible Bundles \u0026amp; Related Products\u003c\/h2\u003e\n\u003cp\u003eThis radar is available as part of complete chartplotter\/radar bundles:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/products\/8252865380388\"\u003eGarmin GPSMAP 1243xsv Chartplotter with GMR 18 HD3 Radar Bundle\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/11131370864676\"\u003eGarmin GPSMAP® 1243xsv GPS Chartplotter\/Radar Pack with GMR 18 HD3 Radome\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/11131370799140\"\u003eGarmin GPSMAP® 943xsv GPS Chartplotter\/Radar Pack with GMR™ 18 HD3 Radome\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNeed a dedicated power cable? See the \u003ca href=\"\/products\/11131370012708\"\u003eGarmin Power Cable for GMR™ Radars, 48'\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eLooking for a solid-state upgrade? Compare with the \u003ca href=\"\/products\/8252865413156\"\u003eGarmin GMR Fantom 18x Solid-State Doppler Radar Dome\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eParts Desk Insights\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e The GMR™ 18 HD3 is the go-to choice for powerboats and sailboats in the 25–45 ft range where mast or arch space is limited. It pairs directly with any Garmin GPSMAP or echoMAP chartplotter via a single cable, making it a straightforward first-radar installation or a replacement for an aging dome. Boaters running overnight passages or navigating busy commercial waterways will benefit most from the MARPA tracking and extended 36 nm range. If your vessel already has a Garmin MFD network, dual-radar mode lets you run this dome alongside a larger open-array for overlapping coverage zones.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51232999243812,"sku":"322-0100284300","price":2776.59,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/322-0100284300_73ddb207-efe5-4de8-8aaf-8cd0c3a61859.jpg?v=1786151958","url":"https:\/\/marisolmarine.com\/products\/gmr-18-hd3-radar-322-0100284300","provider":"Marisol Marine Company","version":"1.0","type":"link"}