Garmin Gt21-Tm Transom Mount Transducer, Traditional 600w, 50/200khz, ClearvÜ Chirp 500w, 260 & 455khz

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Garmin Gt21-Tm Transom Mount Transducer, Traditional 600w, 50/200khz, ClearvÜ Chirp 500w, 260 & 455khz

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.

WarningWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to

Manufacturer Part Number: 010-01962-00

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Manufacturer Part Number: 010-01962-00
  • Temperature = Yes
  • Speed Included = No
  • Pins = 8
  • Mounting Style = Transom
  • Imagining = Standard/Down
  • Chirp = Non Traditional
  • Cable Length (Feet) = 30'
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Customer Questions
Hello, Would this work with my Garmin Striker plus 9sv unit. I am planning to do most fishing off shore so looking for a better transducer.
Yes, I am showing that the transducer is compatible under Garmin's compatibility chart. However, I always recommend that you call the manufacturer to confirm.
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Hodges Marine accepts returns for up to thirty (30) days after shipment. Our return policy does not apply to the following goods: Open software, mapping/chart data cards, international orders, freight truck only items, and special order items. These items are not eligible for return, refund or exchange. Shipping charges (if any) are non-refundable. If your return is accepted by Us, We will provide one of the following within a reasonable time: an exchange of merchandise for the item returned, a non-transferable merchandise credit, a credit to the payment card or original method of payment used to pay for the item, a check, or another remedy that we determine in good faith is appropriate in the circumstances. Customer must request a return merchandise authorization (RMA) through the product returns link on our website or by emailing us at [email protected]. A RMA number will be issued with instructions for returning the package within a reasonable time (normally 1-3 business days).

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