Discover the Garmin GT20-TM HD-ID and DOWN-VU Transducer, a versatile sonar solution designed for shallow-water anglers who crave both traditional and CHIRP ClearVü scanning. Mount it on the transom or a trolling motor and enjoy consistent fish arches plus crystal-clear views of bottom structure and objects passing beneath your boat. The built-in fast-response temperature sensor keeps you informed of water conditions while you search for bites, powered by a 20 ft cable that gives you plenty of reach.
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Traditional and CHIRP ClearVü sonar with 77/200 kHz traditional frequencies and 455 kHz (435–475 kHz) as well as 800 kHz (800–840 kHz) CHIRP ClearVü for detailed under-boat imagery
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Depth ranges — Traditional up to 1,900 ft; ClearVü up to 750 ft
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Power — 500 W traditional and 500 W ClearVü for strong, crisp returns
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Beamwidth — Traditional 45°/15°; ClearVü 2.5° x 53° at 455 kHz and 1.6° x 29° at 800 kHz
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Mounting and compatibility — 0°–70° transom angle, suitable for transom or trolling motor mounting
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Cable and sensor — 20 ft transducer cable with built-in depth/temperature sensor
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Includes mounts and instructions — Transom and trolling motor mounts with installation guidance
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Connector — 4-pin configuration for reliable data transfer
Equip your boat with the Garmin GT20-TM HD-ID DOWN-VU transducer and unlock both traditional and high-detail CHIRP imagery for deeper insights, faster target detection, and smarter fishing in shallow waters. Model 010-01960-00.
| General |
| Frequency |
| Traditional |
77/200 |
| ClearVü Chirp |
455 kHz (435-475 kHz) & 800kHz (800-840 kHz) |
| Power |
| Traditional |
500 W |
| ClearVü |
500 W |
| Beamwidth |
| Traditional |
45°/15° |
| ClearVü |
2.5°x53°@ 455 kHz and 1.6°x29° @ 800 kHz |
| Maximum depth |
| Traditional |
1,900 ft. |
| ClearVü |
750 ft. |
| Depth/Speed/Temperature |
Depth and Temperature |
| Number of pins |
4-pin |
| Cable length |
20 ft. |
| Supported deadrise/Transom angles |
0°-70° degree transom |
