{"product_id":"simrad-gs25-gps-antenne","title":"Simrad GS25 GPS Antenna","description":"\u003ch2\u003eSimrad GS25 GPS Antenna\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-frequency GPS and GLONASS antenna for highly accurate onboard positioning.\u003c\/strong\u003e\u003cbr\u003e\nThe GS25 is an external GPS receiver with integrated GLONASS support and NMEA 2000 output. The device operates at a 10 Hz refresh rate, providing smooth and highly current position determination, especially important for fast-moving boats, autopilot tracking, and accurate chart display.\u003c\/p\u003e\n\u003cp\u003eThe GS25 connects directly to your NMEA 2000 backbone and provides position, course, speed, and time to all compatible equipment on the network.\u003c\/p\u003e\n\n\u003ch3\u003eWhy choose the GS25?\u003c\/h3\u003e\n\u003cul class=\"bul-tidy\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 Hz update frequency:\u003c\/strong\u003e ten position updates per second for smooth course display and fast reaction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual constellation GPS and GLONASS:\u003c\/strong\u003e more satellites in view, better accuracy in challenging environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNMEA 2000 output:\u003c\/strong\u003e direct connection to your Simrad network and all compatible MFDs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal mounting:\u003c\/strong\u003e better signal position than a built-in antenna below deck or in a cabin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-play:\u003c\/strong\u003e direct recognition by Simrad systems without complicated configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho is this product for?\u003c\/h3\u003e\n\u003cp\u003eThe GS25 is suitable for recreational and professional boaters who want a stronger GPS position than the integrated antenna of their MFD provides. Recommended for fast motorboats, sport fishing boats, yachts with cabin mounting, and commercial vessels where autopilot performance and chart tracking require maximum accuracy. Also for refits where existing GPS antennas are being replaced.\u003c\/p\u003e\n\n\u003ch3\u003eWhat does it offer you?\u003c\/h3\u003e\n\u003cul class=\"bul-tidy\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eMore accurate navigation:\u003c\/strong\u003e reliable position determination down to a few meters at any course and speed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBetter autopilot performance:\u003c\/strong\u003e autopilots use the fast GPS update for tighter course keeping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMore stable signal:\u003c\/strong\u003e external mounting results in fewer dropouts under bridges or in harbors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWider network availability:\u003c\/strong\u003e one GPS source for your entire Simrad network.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow maintenance:\u003c\/strong\u003e robust housing with no moving parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdetails class=\"aml-acc\"\u003e\n\u003csummary\u003e\u003cspan\u003eTechnical specifications\u003c\/span\u003e\u003c\/summary\u003e\n\u003ctable class=\"spec\"\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eExternal GPS and GLONASS antenna\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSatellite systems\u003c\/th\u003e\n\u003ctd\u003eGPS and GLONASS simultaneously\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUpdate frequency\u003c\/th\u003e\n\u003ctd\u003e10 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput\u003c\/th\u003e\n\u003ctd\u003eNMEA 2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003ctd\u003eVia NMEA 2000 backbone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eExternal pole mount or flush mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater resistance\u003c\/th\u003e\n\u003ctd\u003eFully waterproof design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHousing\u003c\/th\u003e\n\u003ctd\u003eUV-resistant and salt-water resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"aml-acc\"\u003e\n\u003csummary\u003e\u003cspan\u003eAdditional features\u003c\/span\u003e\u003c\/summary\u003e\n\u003cul class=\"bul-tidy\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual constellation positioning:\u003c\/strong\u003e simultaneous GPS and GLONASS for maximum satellite visibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNMEA 2000 broadcasting:\u003c\/strong\u003e position, speed, and course available to the entire network.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-play installation:\u003c\/strong\u003e direct recognition by all Simrad NMEA 2000 systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for autopilot:\u003c\/strong\u003e high update rate supports accurate route tracking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with all modern Simrad MFDs:\u003c\/strong\u003e NSS, NSO, NSX, GO, Cruise and more.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"aml-acc\"\u003e\n\u003csummary\u003e\u003cspan\u003eDownloads\u003c\/span\u003e\u003c\/summary\u003e\n\u003cul class=\"bul-tidy\"\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.simrad-yachting.com\/downloads\/instruments\/\" target=\"_blank\" rel=\"noopener\"\u003eOfficial Simrad downloads for instruments and sensors\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\n\n\u003c!-- ====== STYLING ====== --\u003e\n\u003cstyle\u003e\n.aml-acc{margin:12px 0;border:1px solid #e3e7ea;border-radius:12px;background:#f7fafb}\n.aml-acc[open]{background:#f1f5f7}\n.aml-acc\u003esummary{display:flex;align-items:center;gap:.6rem;cursor:pointer;padding:14px 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