{"product_id":"garmin-gt20-tm-transducer-clearvu-and-traditional-sonar","title":"Garmin GT20-TM Transducer - ClearVu and Traditional Sonar","description":"\u003cp\u003eOur review of the Garmin GT20-TM Transducer finds it well suited for shallow water anglers who want reliable traditional 77\/200 kHz sonar plus CHIRP-style ClearVu scanning at 455\/800 kHz. The single biggest reason to buy is the consistent target separation and clear images of structure and fish beneath the boat, delivered from a transom or trolling motor mount with a 20 ft cable and built-in fast-response temperature sensor. For anglers who need a compact, easy-to-install transducer rated 500 W and capable of both traditional arches and detailed ClearVu imagery, this model hits the mark.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-frequency sonar:\u003c\/strong\u003e Traditional 77\/200 kHz provides classic fish arches and reliable depth readings for general use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearVu scanning:\u003c\/strong\u003e 455\/800 kHz ClearVu gives a more detailed, photo-like view of structure and fish up to the specified depth limits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransom and trolling motor mounts:\u003c\/strong\u003e Includes hardware to mount on a transom or a trolling motor, offering installation flexibility for different boats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 ft cable with temperature sensor:\u003c\/strong\u003e The long cable and built-in fast-response temperature sensor let users place the transducer for best signal and monitor water temperature accurately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e500 W power rating:\u003c\/strong\u003e Adequate power for clear returns in shallow to moderate depth scenarios common to inshore and lake anglers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe GT20-TM is aimed at recreational anglers and weekend boaters who fish in shallow to moderate depths and want both traditional sonar and higher-resolution ClearVu scanning in a single, easy-to-install package. It is especially good for those using transom-mounted setups or who have trolling motors and need the option to switch mounting styles without buying a separate unit.\u003c\/p\u003e\u003cp\u003eSerious deepwater anglers who require maximum depth performance beyond the ClearVu 750 ft or need specialized thru-hull installations should consider other models. Also, users who need an 8-pin plugless interface or a different cable length should confirm compatibility with their sonar head unit before purchase.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eClearVu 455\/800 kHz delivers detailed images of structure and fish for confident target ID.\u003c\/li\u003e\n\u003cli\u003eIncluded transom and trolling motor mounts make installation flexible and straightforward.\u003c\/li\u003e\n\u003cli\u003eGood build quality and perceived value, with a 20 ft cable and temperature sensor included.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFit receives mixed feedback, so installation may require adjustments on some hull shapes or electronics setups.\u003c\/li\u003e\n\u003cli\u003eClearVu depth is limited compared with deepwater-dedicated transducers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003e8-PIN PLUG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTraditional frequency\u003c\/td\u003e\n\u003ctd\u003e77\/200 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClearVu frequency\u003c\/td\u003e\n\u003ctd\u003e455\/800 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower rating\u003c\/td\u003e\n\u003ctd\u003e500 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth capability\u003c\/td\u003e\n\u003ctd\u003e1,900 ft (traditional) \/ 750 ft (ClearVu)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount options\u003c\/td\u003e\n\u003ctd\u003eTransom and trolling motor mounts included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable\u003c\/td\u003e\n\u003ctd\u003e20 ft with built-in fast-response temperature sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Garmin GT20-TM is a practical choice for anglers who want both traditional 77\/200 kHz sonar and higher-resolution 455\/800 kHz ClearVu scanning in one unit, with flexible mounting and a useful 20 ft cable. It offers solid build quality and value for typical inshore and lake use, though those needing extreme depth performance or guaranteed fit for unique hulls should evaluate compatibility first.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCan this transducer be mounted on a trolling motor?\u003c\/strong\u003e\u003cbr\u003eYes. The GT20-TM ships with hardware for transom and trolling motor installation so you can choose the mounting that fits your boat.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat depths will ClearVu and traditional sonar reach?\u003c\/strong\u003e\u003cbr\u003eTraditional sonar is rated to about 1,900 ft while ClearVu scanning is rated to roughly 750 ft, making it best for shallow to moderate depth fishing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the cable include a temperature sensor?\u003c\/strong\u003e\u003cbr\u003eYes. The 20 ft cable has a built-in fast-response temperature sensor for reliable water temperature readings.\u003c\/p\u003e","brand":"Garmin","offers":[{"title":"Default Title","offer_id":48601379963099,"sku":"B01DYX1Q48","price":92.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51nX8g_1ZzL._AC_SL1500.jpg?v=1778358380","url":"https:\/\/gearmusthave.com\/products\/garmin-gt20-tm-transducer-clearvu-and-traditional-sonar","provider":"GearMustHave","version":"1.0","type":"link"}