{"product_id":"garmin-gt21-th-plastic-external-thru-hull-mount-transducer-with-30-cable-010-01962-10","title":"Garmin GT21-TH Plastic External Thru-hull Mount Transducer with 30' Cable  • 010-01962-10","description":"\u003cp\u003e\u003cspan\u003eGT21-TH Plastic External Thru-hull Mount Transducer with 30' Cable (010-01962-10) by Garmin®. Measures: Depth. Frequency: 50\/200\/260\/455kHz. Max Power: 600W. Accommodates Deadrise: 0° - 25°. 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.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003eFrequency: Traditional 50\/200; ClearVü CHIRP 260 kHz (245-275 kHz) \u0026amp; 455 kHz (445-465 kHz)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003ePower: Traditional 600 W; ClearVü 500 W\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eBeamwidth: Traditional (40\/10); ClearVü (2.0x51 @ 260 kHz) \u0026amp; (1.4x29 @ 455 kHz)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eMaximum depth: Traditional: 1,500'; ClearVü: 1,000'\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eDepth\/Speed\/Temperature: Depth and Temperature\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eNumber of pins: 8-pin\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eCable Length: 30'\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eSupported Deadrise\/Transom angles: Up to 25° deadrise\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eLimited 2 Year Warranty\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eIncludes: Transducer, 30' Cable, Fairing Block\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Garmin","offers":[{"title":"Default Title","offer_id":51914668540036,"sku":"GAR100196210","price":416.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1009\/3199\/3732\/files\/orig_garmin-elec-gt21-th-chirp-downvu-xdcr-010-01962-10-1.jpg?v=1780446702","url":"https:\/\/unchartedusa.com\/products\/garmin-gt21-th-plastic-external-thru-hull-mount-transducer-with-30-cable-010-01962-10","provider":"Uncharted USA","version":"1.0","type":"link"}