Garmin GT20-TM

Garmin GT20-TM Transom Mount Transducer

The Garmin GT20-TM is a transom mount transducer designed for traditional and CHIRP ClearVü scanning sonar with a depth range of up to 1,900 ft (579 m) at 77 kHz. It is intended for installation on various boat types, enhancing fish finding capabilities.

Compatibility & Applications

• Fits most transom-mounted installations for fishing boats up to 30 ft.
• Pairs with Garmin echoMAP and GPSMAP chartplotters for enhanced sonar performance.
• Mounts on trolling motors for versatile fishing applications.
• Replaces older models like the Garmin GT21-TM without modification.
• Integrates with NMEA 2000 networks for data sharing and connectivity.
• Supports freshwater and saltwater fishing environments.

The unit provides excellent sonar imaging for shallow water fishing scenarios, ensuring accurate depth readings and fish detection. Its compatibility with multiple Garmin chartplotters differentiates it from generic transducers, offering enhanced functionality and reliability in various fishing conditions.