GRAHAMS THOUGHTS...

These are a suitable transducer for any Garmin sounder that uses a 4-pin transducer.

If you’re after the 8-pin version, CLICK HERE

Description

Designed for shallow water usage, the GT20-TM provides traditional and CHIRP ClearVu scanning sonar for your compatible Garmin fishfinder.

• 77/200 kHz Traditional sonar
• 455kHz ClearVu sonar

010-01960-00

Cable length 20 ft.
Power Traditional 500 W; ClearVü 500 W
Frequency Traditional 77/200; ClearVü CHIRP 455 kHz (435-475 kHz) & 800kHz (800-840 kHz)
Maximum depth Traditional: 1,900 ft.; ClearVü: 750 ft.
Number of pins 4-pin
Beamwidth Traditional (45/15); ClearVü (2.5×53 @ 455 kHz) & (1.6×29 @ 800 kHz)
Depth/Speed/Temperature Depth and Temperature
Supported deadrise/Transom angles 0°-70° degree transom