Garmin GT21-TM Transom Mount Transducer, Traditional 600W, 50/200kHz, ClearVü CHIRP 500W, 260 & 455kHz

$159.99 $143.99

Weight 2.8 lbs
SKU: 53333|53334|55476|55477|57688|66128|67635|67636|67637|68852|68853|68854|70154|70155|70156|70157|70158|70159|70160|70161|70162|70163|70164|70165|70167|70177|70182|70184|77408|83529|83530 Category:
Description

GT21-TM Transom Mount Transducer, Traditional 600W, 50/200kHz, ClearVü CHIRP 500W, 260 & 455kHz

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 500W 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.

Shipping & Delivery

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Enjoy FREE standard shipping on most orders over $250 within the continental U.S. (excl. heavy/oversized/hazardous items).

We ship via UPS, FedEx, and USPS . Orders are processed in 1–2 business days with typical delivery in 1–5 business days .

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Returns accepted within 30 days of delivery. Items must be unused and in original packaging.

  • Mistaken or damaged cargo? We’ll handle return shipping.
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  • Report defects or damage within 7 days for a free exchange.

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📨 Contact the Crew

Questions about your order? Drop anchor at sales@marineelec.com .