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Garmin GT20-TM

Price range: $30.00 through $54.00

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SKU: 010-01960-01 Categories: ,

The Garmin GT20-TM is a transducer for the shallow water fisherman who want traditional and CHIRP ClearVü scanning sonar.

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For the shallow water anglers who wants traditional and CHIRP ClearVü scanning sonar, this transom or trolling motor mounted transducer consistently displays fish arches as well as clear pictures of objects, structure and fish that pass below your boat.

The 20 ft transducer cable with built-in fast response temperature sensor has a power rating of 500 W; a depth of 1,900 ft (traditional) and 750 ft (ClearVü); an operating frequency of 77/200 kHz (traditional) and 455 kHz (ClearVü); and a 0 to 70 transom angle.

Transducer comes with transom and trolling motor mounts, and installation instructions. Follow the instructions carefully to avoid damaging your boat.

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General

Transducer frequency Traditional 77/200; ClearVü CHIRP 455 kHz (435-475 kHz) & 800kHz (800-840 kHz)
Transducer power Traditional 500 W; ClearVü 500 W
Transducer beamwidth Traditional: 45°/15°
ClearVü: 2.5°x53°@ 455 kHz and 1.6°x29° @ 800 kHz
Transducer maximum depth Traditional: 1,900 ft.; ClearVü: 750 ft.
Transducer cable length 20 ft.
Transducer depth/speed/temperature Depth and Temperature
Transducer number of pins 8-pin
Transducer supported deadrise/transom angles 0°-70° degree transom

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Browse the transducer selection guide for features and compatibility information

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Perfect for the shallow water fisherman who want traditional and CHIRP ClearVü scanning sonar, this transom or trolling motor mounted transducer consistently displays fish arches as well as clear pictures of objects, structure and fish that pass below your boat.

The 20 ft transducer cable with built-in fast response temperature sensor has a power rating of 500 W; a depth of 1,900 ft (traditional) and 750 ft (ClearVü); an operating frequency of 77/200 kHz (traditional) and 455 kHz (ClearVü); and a 0 to 70 transom angle.

Transducer comes with transom and trolling motor mounts, and installation instructions. Follow the instructions carefully to avoid damaging your boat.

“},”accessoriesTab”:{“title”:”Accessories”,”content”:null},”specsTab”:{“title”:”Specs”,”content”:”

General

Transducer frequency Traditional 77/200; ClearVü CHIRP 455 kHz (435-475 kHz) & 800kHz (800-840 kHz)
Transducer power Traditional 500 W; ClearVü 500 W
Transducer beamwidth Traditional: 45°/15°
ClearVü: 2.5°x53°@ 455 kHz and 1.6°x29° @ 800 kHz
Transducer maximum depth Traditional: 1,900 ft.; ClearVü: 750 ft.
Transducer cable length 20 ft.
Transducer depth/speed/temperature Depth and Temperature
Transducer number of pins 4-pin
Transducer supported deadrise/transom angles 0°-70° degree transom

“}},”hideProductVersions”:true,”availabilityDate”:”1-3_days”,”price”:{“price”:{“price”:99.99,”currencyCode”:”USD”,”currencySymbol”:”$”,”formattedPrice”:”$99.99 USD“},”salePrice”:null,”savings”:null},”firedPromotions”:[],”inStock”:true,”showCompatibleDevicesTab”:true,”promoBanner”:null,”pvProductEcommerceOpenText”:null,”showPrice”:true,”forceStockEnabled”:false,”truemedEligible”:false,”sellable”:true,”displayable”:true},”010-01962-10″:{“productId”:”537002″,”productName”:”Garmin GT21-TH”,”globalProductName”:”Garmin GT21-TH”,”productVariation”:”GT21-TH”,”pvName”:”Garmin GT21-TH”,”partNumber”:”010-01962-10″,”showPartNumber”:true,”showProductVariationName”:true,”subscription”:false,”url”:”/en-US/p/537002/pn/010-01962-10″,”productAvailability”:null,”shippingDisclaimer”:”Available to ship in 1–3 business days.”,”isForceStockEnabled”:false,”isSellable”:true,”showAddToCart”:true,”productLegalText”:null,”productMarketingSummary”:null,”expressWarning”:null,”seo”:{“title”:”Garmin GT21-TH | Transducer for Boat “,”ogImage”:”https://res.garmin.com/en/products/010-01962-10/g/cf-lg-e74a008a-f808-4c4e-81a1-68be23868c45.jpg”,”ogDescription”:”The Garmin GT21-TH is a thru-hull mount transducer that is ideal for coastal and offshore fisherman who want traditional and CHIRP ClearVü scanning sonar.”},”currencyCode”:”USD”,”images”:{“defaultImage”:{“altTag”:”Garmin GT21-TH”,”image”:”https://res.garmin.com/en/products/010-01962-10/g/cf-lg-e74a008a-f808-4c4e-81a1-68be23868c45.jpg”,”caption”:null},”gallery”:[],”mediaGallery”:[{“publicId”:”Product_Images/en/products/010-01962-10/g/cf-xl-45968de6-e129-4b67-ab43-7c3a9cdf8e7e”,”mediaType”:”image”,”format”:”jpg”,”position”:”0″}],”valid”:true},”options”:{“selected”:{“pvemsAirmarPin”:[“8-pin”],”pvemsAirmarInstall”:[“Thru-hull mount”],”pvemsAirmarTradition”:[“50/200 kHz”],”pvemsAirmarClearVu”:[“260/455 kHz”]},”enabled”:{“pvemsAirmarInstall”:[{“Transom mount”:”https://buy.garmin.com/en-US/p/540583/pn/010-01962-00″}],”pvemsAirmarTradition”:[{“Mid-CHIRP”:”https://buy.garmin.com/en-US/p/530173/pn/010-12404-10″}]},”disabled”:{“pvemsAirmarPin”:[{“4-pin”:”https://buy.garmin.com/en-US/p/537065/pn/010-01960-00″}],”pvemsAirmarClearVu”:[{“UHD 800 kHz”:”https://buy.garmin.com/en-US/p/660822/pn/010-12908-00″},{“455/800 kHz”:”https://buy.garmin.com/en-US/p/540580/pn/010-01960-01″}],”pvemsAirmarTradition”:[{“77/200 kHz”:”https://buy.garmin.com/en-US/p/540580/pn/010-01960-01″},{“HW Chirp”:”https://buy.garmin.com/en-US/p/530176/pn/010-12403-00″}]}},”actions”:{“buy”:{“text”:”Add To Cart”,”href”:”https://buy.garmin.com/en-US/cart/addToCart?partNumQty=010-01962-10:1″},”dealer”:{“text”:”Find a Dealer”,”href”:”https://www.garmin.com/en-US/dealerlocator/?pID=537002&cID=Transducers&sku=010-01962-10&product=010-01962-10″}},”productHeaderDetails”:”

Browse the transducer selection guide for features and compatibility information

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Perfect for coastal and offshore fishermen who want traditional sonar and CHIRP ClearVü scanning sonar with a stainless steel stem, this thru-hull mount transducer consistently displays clear and crisp fish arches with superior target separation as well as clear definition of structure below the boat.

The CHIRP ClearVü element has a power rating of 500 W and operating frequencies of 260/455 kHz. The traditional sonar has a power rating of 600 W and operating frequencies of 50/200 kHz. It includes a built-in fast-response temperature sensor.  For hull deadrises less than 25 degrees.

GT21-TH includes an 8-pin transducer with stainless steel stem, fairing block, isolation plate and bushings, mounting hardware and installation instructions. Follow the instructions carefully to avoid damaging your boat.

“},”accessoriesTab”:{“title”:”Accessories”,”content”:null},”specsTab”:{“title”:”Specs”,”content”:”

General

Transducer frequency Traditional 50/200; ClearVü CHIRP 260 kHz (245-275 kHz) & 455 kHz (445-465 kHz)
Transducer power Traditional 600 W; ClearVü 500 W
Transducer beamwidth Traditional: 40°/10°
ClearVü: 2.0°x51° @ 260 kHz and 1.4°x29° @ 455 kHz
Transducer maximum depth Traditional: 1,500 ft.; ClearVü: 1,000 ft.
Transducer cable length 30 ft.
Transducer depth/speed/temperature Depth and Temperature
Transducer number of pins 8-pin
Transducer supported deadrise/transom angles Up to 25° deadrise

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Browse the transducer selection guide for features and compatibility information

“,”sidebar”:{“quickLinks”:{“display”:true,”showSoftware”:true,”showFAQ”:true,”softwareLink”:”https://support.garmin.com/?tab=software&partNumber=010-01962-00″,”content”:null},”additionalContainer”:null},”tabs”:{“overviewTab”:{“title”:”Overview”,”content”:”

Perfect for coastal and offshore fishermen who want traditional sonar and CHIRP ClearVü scanning sonar. this transom mount transducer consistently displays clear and crisp fish arches with superior target separation as well as clear definition of structure below the boat.

The CHIRP ClearVü element has a power rating of 500 W and operating frequencies of 260/455 kHz. The traditional sonar has a power rating of 600 W and operating frequencies of 50/200 kHz. It also includes a built-in fast response temperature sensor.

GT21-TM includes an 8-pin transducer with mounting hardware and installation instructions. Follow the instructions carefully to avoid damaging your boat.

“},”accessoriesTab”:{“title”:”Accessories”,”content”:null},”specsTab”:{“title”:”Specs”,”content”:”

General

Transducer frequency Traditional 50/200; ClearVü CHIRP 260 kHz (245-275 kHz) & 455 kHz (445-465 kHz)
Transducer power Traditional 600 W; ClearVü 500 W
Transducer beamwidth Traditional: 40°/10°
ClearVü: 2.0°x51° @ 260 kHz and 1.4°x29° @ 455 kHz
Transducer maximum depth Traditional: 1,500 ft.; ClearVü: 1,000 ft.
Transducer cable length 30 ft.
Transducer depth/speed/temperature Depth and Temperature
Transducer number of pins 8-pin
Transducer supported deadrise/transom angles 0°-70° degree transom

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Browse the transducer selection guide for features and compatibility information

“,”sidebar”:{“quickLinks”:{“display”:true,”showSoftware”:true,”showFAQ”:true,”softwareLink”:”https://support.garmin.com/?tab=software&partNumber=010-12404-10″,”content”:null},”additionalContainer”:null},”tabs”:{“overviewTab”:{“title”:”Overview”,”content”:”

Perfect for coastal and offshore fishermen who want CHIRP traditional sonar and CHIRP ClearVü scanning sonar with a stainless steel stem, this thru-hull mount transducer consistently displays clear and crisp fish arches with superior target separation as well as clear definition of structure below the boat.

The 8-pin transducer features mid-band CHIRP traditional sonar (80-160 kHz) and has a power rating of 600 W. The CHIRP ClearVü (260/455 kHz) element has a power rating of 500 W.

For installation, follow the included instructions carefully to avoid damaging your boat.

General

Transducer frequency Traditional 77/200; ClearVü CHIRP 455 kHz (435-475 kHz) & 800kHz (800-840 kHz)
Transducer power Traditional 500 W; ClearVü 500 W
Transducer beamwidth Traditional: 45°/15°
ClearVü: 2.5°x53°@ 455 kHz and 1.6°x29° @ 800 kHz
Transducer maximum depth Traditional: 1,900 ft.; ClearVü: 750 ft.
Transducer cable length 20 ft.
Transducer depth/speed/temperature Depth and Temperature
Transducer number of pins 8-pin
Transducer supported deadrise/transom angles 0°-70° degree transom
Pin Count

4-pin, 8-pin

Installation

Transom mount, Thru-hull mount

Tradition Sonar

50/200 kHz, 77/200 kHz, Mid-CHIRP, HW Chirp

ClearVü

455/800 kHz, 260/455 kHz, UHD 800 kHz

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