Garmin GT20-TM Transducer 4-Pin


SKU: 010-01960-00 Category: GTIN: 753759152758



Perfect for the shallow water fisherman who want traditional and CHIRP ClearVü scanning sonar, this transom or trolling motor mounted transducer consistently displays fish arches as well as clear pictures of objects, structure and fish that pass below your boat.

The 20 ft transducer cable with built-in fast response temperature sensor has a power rating of 500 W; a depth of 1,900 ft (traditional) and 750 ft (ClearVü); an operating frequency of 77/200 kHz (traditional) and 455 kHz (ClearVü); and a 0 to 70 transom angle.

Transducer comes with transom and trolling motor mounts, and installation instructions. Follow the instructions carefully to avoid damaging your boat.


Cable length20 ft.
PowerTraditional 500 W; ClearVü 500 W
FrequencyTraditional 77/200; ClearVü CHIRP 455 kHz (435-475 kHz) & 800kHz (800-840 kHz)
Maximum depthTraditional: 1,900 ft.; ClearVü: 750 ft.
Number of pins4-pin
BeamwidthTraditional: 45°/15°
ClearVü: 2.5°x53°@ 455 kHz and 1.6°x29° @ 800 kHz
Depth/speed/temperatureDepth and Temperature
Supported deadrise/transom angles0°-70° degree transom