SKU: CW65533
UPC: 753759152833
MPN: 010-01962-10
The Garmin GT21-TH S/S Thru-Hull ClearVü & CHIRP transducer is designed for anglers and boaters who require dual-frequency imaging with exceptional clarity in both freshwater and saltwater environments. This stainless steel thru-hull unit combines traditional CHIRP sonar with advanced ClearVü technology, allowing users to switch between frequency ranges based on water conditions and target depth.
The Garmin GT21-TH features a multi-frequency architecture: 600 watts of power at 50/200 kHz for traditional CHIRP sonar, and 500 watts at 260 and 455 kHz for high-definition down-imaging. This frequency diversity enables toggling between long-range coverage (50 kHz for deep water) and detailed structure resolution (200 kHz for shallow structure and precise target identification). The stainless steel housing ensures corrosion resistance in salt environments, while the thru-hull mounting design minimizes turbulence and dead zones, critical for maintaining signal integrity.
Professional anglers will benefit from the ClearVü imaging, which produces sharp, photograph-like views of the water column and bottom, making it easier to distinguish baitfish, vegetation, and hard structures. This transducer is ideal for those exploring various fishing environments, from northern lakes to deeper offshore channels, providing the imaging tools necessary for confident navigation and fish location.
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