Description
Perfect for coastal and offshore fishermen who want traditional sonar and CHIRP ClearVu 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 ClearVu 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 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.
Upgrade Options
Alternative or higher-specification products you may also wish to consider.
Garmin
Garmin GT30-TM 12 Pin Transom Mount Transducer
Weight: 1.08 lbs. (0.50 kg). Cable length: 20’. Number of pins on connector: 12. Dimensions: Transducer: 7.8 x 1.5 x 0.9 in (198 x 38 x 22 mm). Frequency: DownVü: CHIRP 425-485 kHz and CHIRP 790-850 kHz, SideVü: CHIRP 425-485 kHz and CHIRP 790-850 kHz. Max Depth: DownVü: 750 ft, SideVü: 500 ft. Transmit power: DownVü: 500 W, SideVü: 500 W.
Garmin
Garmin GT30-THP Pair (Port & Starboard) Thru Hull Transducers
Perfect for the shallow water fisherman who want CHIRP ClearVü and CHIRP SideVü scanning sonar with stainless steel stems, this pair of 12-pin thru-hull transducers consistently displays clear definition of objects, structure and fish below and to each side of the boat. These transducers with built-in fast response temperature sensors have a power rating of 500 W per element (1,500 W total); a depth of 750 ft (ClearVü) and 500 ft left and right (SideVü); an operating frequency of CHIRP 455/800 kHz¹; for hull deadrises from 5 degrees to 25 degrees. Pair them with your GCV™ 10 scanning sonar module. Includes 12-pin port and starboard transducers with stainless steel stems, isolation bushings, fairing blocks, Y-cable, mounting hardware and installation instructions. Follow the instructions carefully to avoid damaging your boat.
