{"product_id":"garmin-gt21-th-20381","title":"Garmin GT21-TH","description":"\u003cp\u003ePerfect 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\/p\u003e","brand":"Garmin","offers":[{"title":"Default Title","offer_id":49102697660568,"sku":"010-01962-10","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0600\/9195\/7400\/files\/GM_010-01962-10.jpg?v=1778689027","url":"https:\/\/www.strohmanenterprise.com\/products\/garmin-gt21-th-20381","provider":"Strohman Enterprise","version":"1.0","type":"link"}