Garmin GT20-TM eight-pin transducer for 77/200 kHz traditional sonar and ClearVü. Availability and terms on request.

The eight-pin Garmin GT20-TM is a transom transducer for traditional sonar and ClearVü. It uses 77/200 kHz for traditional sonar and 455/800 kHz for scanning below the vessel.

Is this transducer compatible with my sounder?

Check the sonar model, connection, desired functions and mounting location. Matching pin counts alone do not confirm every integration capability. Share your installation to review adapters where applicable, cable routing and positioning with Wonder BOAT.