Garmin GCV 20 Sounderbox

The easy-to-install, networkable GCV™ 20 sonar black box allows you to redefine clarity and detail. Add any of the 3 GT34UHD transducer models to see stunningly clear Ultra High-Definition 800 kHz ClearVü and Ultra High-Definition 1200 kHz SideVü scanning sonars to your compatible chartplotter. And you can share sonar images seamlessly across multiple networked chartplotters as well as networking Panoptix™ all-seeing sonar. It includes a max power output of 500 watts.