{"product_id":"garmin-gt21-th","title":"Garmin GT21-TH","description":"\u003cp\u003eThis hull-mounted transducer provides extremely clear probe images of objects, structures and fish that are under your boat. This transducer with traditional probe and CHIRP DownVü is optimized to offer maximum performance at great depths and in rough sea conditions.\u003c\/p\u003e \u003cp\u003eThe CHIRP DownVü element has a power of 500 W and operating frequencies of 260\/455 kHz. The traditional probe has a power of 600 W and operating frequencies of 50\/200 kHz. It includes a built-in quick-response temperature sensor. For hull strut angles of less than 25 degrees.\u003c\/p\u003e \u003cp\u003eGT21-TH includes an 8-pin transducer with stainless steel wheel, fairing block, bushings and insulation plate, assembly components and installation instructions. Follow the instructions carefully to avoid damage to the boat.\u003c\/p\u003e \u003ch3\u003eSpecifications:\u003c\/h3\u003e \u003ctable class=\"app__product__specs__container__group\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003cth class=\"specs-group narrow-column\"\u003ePhysical And Performance Characteristics\u003c\/th\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"narrow-column\"\u003eFrequency\u003c\/td\u003e \u003ctd class=\"wide-column\"\u003eTraditional 50\/200; ClearVü CHIRP 260 kHz (245-275 kHz) \u0026amp; 455 kHz (445-465 kHz)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"narrow-column\"\u003eEnergy\u003c\/td\u003e \u003ctd class=\"wide-column\"\u003eTraditional 600 W; ClearVü 500 W\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"narrow-column\"\u003eBeam Width\u003c\/td\u003e \u003ctd class=\"wide-column\"\u003eTraditional: 40°\/10°\u003cbr\u003e ClearVü: 2.0°x51° @ 260 kHz and 1.4°x29° @ 455 kHz\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"narrow-column\"\u003eMaximum Depth\u003c\/td\u003e \u003ctd class=\"wide-column\"\u003eTraditional: 1,500 ft.; ClearVü: 1,000 ft.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"narrow-column\"\u003eCable Length\u003c\/td\u003e \u003ctd class=\"wide-column\"\u003e30 ft.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"narrow-column\"\u003eDEPTH\/SPEED\/TEMPERATURE\u003c\/td\u003e \u003ctd class=\"wide-column\"\u003eDepth and Temperature\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"narrow-column\"\u003eNumber of Sideburns\u003c\/td\u003e \u003ctd class=\"wide-column\"\u003e8-pin\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"narrow-column\"\u003eAft Mirror Angles Allowed\u003c\/td\u003e \u003ctd class=\"wide-column\"\u003eUp to 25° deadrise\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e\u003c!-- sr-faq v=1 vendor=garmin source_sha256=f88cad331fc744c0b4aa4b75413437591f53e07e41945cf59086f4b8b72c2ec8 --\u003e\u003ch3\u003eFAQs\u003c\/h3\u003e\u003cdetails\u003e\u003csummary\u003eIs placement of the transducer important for performance?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eTo obtain the best possible performance, install all transducers according to the included installation instructions.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat type of installation is required for thru-hull transducers?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eThru-hull transducers are installed in a hole drilled through the hull.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan the transducer be serviced with the vessel in the water?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eIn-hull and certain thru-hull installations may allow for servicing with the vessel in the water, but always refer to specific instructions for your configuration.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat should I do if I have installation difficulties?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eContact Garmin Product Support or seek the advice of a professional installer if you experience difficulties during installation.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy is mounting location important for transducer performance?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eProper mounting ensures a truly vertical beam and maximizes signal strength. Install in clean water forward of propellers and running gear.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhen should a thru-hull pair be used?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eA thru-hull pair is recommended when mounting a SideVü transducer in a location with a deadrise greater than 5 degrees.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow is a thru-hull transducer mounted—what are the main styles?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eThru-hull transducers come in two styles: flush and external. Flush types sit nearly flush with the hull and are used for smaller boats with minimal deadrise; external types extend beyond the hull's surface and require a fairing block, suited for larger vessels.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhere should the transducer be mounted relative to other parts of the boat?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eMount in clean water forward of propellers and running gear to minimize interference.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is placement of the transducer important for performance?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"To obtain the best possible performance, install all transducers according to the included installation instructions.\"}}, {\"@type\": \"Question\", \"name\": \"What type of installation is required for thru-hull transducers?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Thru-hull transducers are installed in a hole drilled through the hull.\"}}, {\"@type\": \"Question\", \"name\": \"Can the transducer be serviced with the vessel in the water?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"In-hull and certain thru-hull installations may allow for servicing with the vessel in the water, but always refer to specific instructions for your configuration.\"}}, {\"@type\": \"Question\", \"name\": \"What should I do if I have installation difficulties?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Contact Garmin Product Support or seek the advice of a professional installer if you experience difficulties during installation.\"}}, {\"@type\": \"Question\", \"name\": \"Why is mounting location important for transducer performance?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Proper mounting ensures a truly vertical beam and maximizes signal strength. Install in clean water forward of propellers and running gear.\"}}, {\"@type\": \"Question\", \"name\": \"When should a thru-hull pair be used?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A thru-hull pair is recommended when mounting a SideVü transducer in a location with a deadrise greater than 5 degrees.\"}}, {\"@type\": \"Question\", \"name\": \"How is a thru-hull transducer mounted—what are the main styles?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Thru-hull transducers come in two styles: flush and external. Flush types sit nearly flush with the hull and are used for smaller boats with minimal deadrise; external types extend beyond the hull's surface and require a fairing block, suited for larger vessels.\"}}, {\"@type\": \"Question\", \"name\": \"Where should the transducer be mounted relative to other parts of the boat?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Mount in clean water forward of propellers and running gear to minimize interference.\"}}]}\u003c\/script\u003e\u003c!-- \/sr-faq --\u003e","brand":"Garmin","offers":[{"title":"Default Title","offer_id":51626178085201,"sku":"010-01962-10","price":425.87,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4434\/4913\/files\/garmin-gt21-th-captura-de-pantalla-2024-06-04-a-las-20.56.50.png?v=1754730416","url":"https:\/\/www.sailrace.com\/ru-caucasus\/products\/garmin-gt21-th","provider":"SailRACE","version":"1.0","type":"link"}