Garmin GT20-TM Transom/Trolling Motor Mount Transducer

The Garmin GT20-TM Transom/Trolling Motor Mount Transducer is equipped with traditional sonar that operates in 77 kilohertz up to 200 kilohertz and a CHIRP ClearVü scanning sonar with 455 kilohertz frequency. Ideal for shallow water fishermen, it provides chartplotters with consistent fish arches display and clear images of objects and structures below the boat. It also comes with a fast response built-in temperature sensor.