{"product_id":"garmin-gsd-28-sonar-module-010-02797-00","title":"Garmin GSD 28 Sonar Module (010-02797-00)","description":"\u003ch1\u003e\u003cspan\u003eGarmin GSD 28 Sonar Module (010-02797-00)\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eIntroduction\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Garmin GSD 28 Sonar Module is engineered for serious offshore anglers who demand exceptional sonar performance in deep-water fishing conditions. Built to reveal what lies beneath the surface with remarkable clarity and speed, this powerful sonar module combines advanced processing technologies with high-output performance to provide detailed sonar imagery and accurate fish identification.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFeaturing Garmin RapidReturn™ sonar technology, the GSD 28 delivers significantly faster sonar updates than previous-generation systems, allowing captains and anglers to make informed decisions based on real-time underwater information. Combined with advanced xCHIRP technology, the module provides outstanding target separation, crisp fish arches, and detailed bottom tracking, even at extreme depths.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned to support a wide range of Garmin and AIRMAR® transducers, the GSD 28 is equally suited for new installations and retrofit applications, making it a versatile addition to serious sport fishing vessels.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eGarmin RapidReturn™ Technology\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDelivers exceptionally fast sonar scrolling performance.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProvides 2 to 6 times the ping rate of previous Garmin GSD™ 26 systems.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproves underwater awareness in deep-water conditions.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEnables faster response to changing fishing opportunities.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eAdvanced xCHIRP Sonar\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eProduces clear and detailed traditional sonar fish arches.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHelps distinguish baitfish from larger game fish.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEnhances bottom definition and structure visibility.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproves target separation at extreme depths.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eDual-Channel CHIRP Support\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSupports dual-channel CHIRP sonar operation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDelivers up to 3 kW of output per channel.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAllows flexible transducer configurations.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOptimized for offshore fishing applications.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eHeave Compensation Capability\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCompatible with the MSC™ 10 external satellite compass.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReduces the effects of wave action and vessel movement.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproves sonar return stability in rough conditions.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEnhances bottom tracking accuracy.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eBroad Transducer Compatibility\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSupports a wide variety of Garmin and AIRMAR® transducers.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for custom sonar installations.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdeal for upgrading existing transducer systems.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupports both new builds and retrofit projects.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eExtreme-Depth Performance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eOperates at depths requiring professional-grade sonar capability.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupports high-power sonar output for offshore fishing.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDelivers consistent performance in deep-water environments.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003ePerformance Insights\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe GSD 28 is designed to provide anglers with a superior understanding of underwater conditions in demanding offshore environments. Garmin RapidReturn™ technology dramatically increases sonar update rates, allowing users to observe fish movement, bait schools, and bottom structure with greater responsiveness.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe dual-channel xCHIRP system enhances target separation and detail, making it easier to distinguish individual fish within dense schools and identify subtle underwater features. This increased clarity can improve fishing efficiency and help anglers target productive areas more effectively.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen paired with the optional MSC™ 10 satellite compass, the GSD 28 further improves sonar performance by compensating for vessel motion caused by waves and swells, resulting in cleaner and more stable sonar returns.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eUsage Instructions\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eInstall the GSD 28 Sonar Module according to Garmin installation guidelines and connect it to a compatible Garmin marine network system. Pair the module with supported Garmin or AIRMAR® transducers appropriate for your fishing environment and vessel configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor optimal performance in rough offshore conditions, consider integrating the optional MSC™ 10 external satellite compass to enable advanced heave compensation. Configure sonar settings according to water depth, target species, and fishing conditions to maximize detection accuracy and sonar clarity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eRegularly inspect all network and transducer connections to ensure reliable operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eDesign \u0026amp; Construction\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBuilt for demanding marine environments, the Garmin GSD 28 features a rugged, water-resistant design engineered to withstand harsh offshore conditions. Its IPX7-rated housing helps protect internal components from moisture exposure while maintaining dependable operation during extended fishing trips.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe module is designed to integrate seamlessly into Garmin marine electronics systems and supports a broad range of transducer options, providing flexibility for both professional captains and dedicated sport fishermen.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDesign Highlights\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eHigh-performance offshore sonar module\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGarmin RapidReturn™ sonar technology\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDual-channel xCHIRP sonar support\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUp to 3 kW output per channel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e300 W to 3 kW power capability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOperates within a 33–250 kHz frequency range\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExcellent target separation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDetailed fish arch presentation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDeep-water optimized performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHeave compensation compatibility\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMSC™ 10 satellite compass support\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGarmin and AIRMAR® transducer compatibility\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for retrofit installations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-speed sonar refresh rates\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIPX7 water-resistant construction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for offshore sport fishing applications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eFinal Verdict\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Garmin GSD 28 Sonar Module is a premium deep-water sonar solution built for serious offshore anglers and professional sport fishing operations. Its combination of Garmin RapidReturn™ technology, powerful dual-channel xCHIRP performance, advanced target separation, and optional heave compensation delivers exceptional underwater visibility in challenging marine environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether targeting pelagic species offshore, exploring deep structures, or upgrading an existing sonar system, the GSD 28 provides the speed, power, and precision needed to maximize fishing success. For anglers seeking cutting-edge sonar performance at extreme depths, the GSD 28 stands out as one of Garmin's most capable sonar modules.\u003c\/span\u003e\u003c\/p\u003e","brand":"Garmin","offers":[{"title":"Default Title","offer_id":55642455933096,"sku":"010-02797-00","price":2999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/9795\/2424\/files\/cf-xl_1bfd55d8-18d3-40a5-84d2-73277f5b2daf.jpg?v=1782224137","url":"https:\/\/www.gpsnation.mx\/products\/garmin-gsd-28-sonar-module-010-02797-00","provider":"GPS Nation","version":"1.0","type":"link"}