Garmin 010-01962-10 GT21-TH ClearVu CHIRP Traditional CHIRP Transducer

Garmin 010-01962-10 GT21-TH S/S Thru-Hull ClearVu & CHIRP, 600W 50/200kHz Traditional, 500W 260 & 455 ClearVu CHIRP

Price: $399.99
TD Code
GT21-TH S/S Thru-Hull ClearVu & CHIRP, 600W 50/200kHz Traditional, 500W 260 & 455 ClearVu CHIRP$399.99 USD


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.

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

  • Cable Length (Feet): 30'
  • Fairing Block Included: Yes
  • Frequency: 50/200 - 245-275 - 455-465
  • Chirp: Non Traditional
  • Mounting Style: Thru-Hull
  • Pins: 8-Pin
  • Speed Included: No
  • Temperature: Yes
  • Imagining: Standard/Down
  • Supported Deadrise/Transom Angles: 0-25
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