Garmin GT21-TH

Part Number 010-01962-10

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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.

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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Garmin GT21-TH

Garmin GT21-TH

General