Bring traditional sonar and CHIRP ClearVü scanning to a compatible 8-pin setup with this Garmin GT20-TM. It combines 77/200 kHz traditional sonar with 455 and 800 kHz ClearVü options, plus depth and temperature sensing through a 20-foot cable.
Choose your mounting arrangement
Both transom and trolling motor mounts are supplied, together with installation instructions. For transom fitting, this model supports angles from 0 to 70 degrees. Confirm your fishfinder connection and supported sonar functions before installation.
Specifications
| Connection |
8-pin |
| Sensor data |
Depth and temperature |
| Traditional sonar |
77/200 kHz |
| ClearVü CHIRP |
455 kHz (435–475 kHz) and 800 kHz (800–840 kHz) |
| Stated traditional power |
500 W |
| Stated ClearVü power |
500 W |
| Traditional beamwidth |
45/15 degrees |
| Manufacturer-stated maximum depth |
Traditional: 1,900 ft; ClearVü: 750 ft |
| Cable length |
20 ft |
| Supported transom angles |
0–70 degrees |
| Part number |
010-01960-01 |
The stated maximum depths are manufacturer specifications; actual performance depends on the installation and water conditions.
Confirmed included mounting items
- Transom mount
- Trolling motor mount
- Installation instructions
Follow the supplied installation instructions carefully to avoid damaging your boat.