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 ClearV and Ultra High-Definition SideV scanning sonarswith frequencies ranging from 0.8 MHz (800 kHz) to 1.2 MHz (1,200 kHz)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.
Ultra High-Definition ClearV Scanning
This mode provides brilliant image clarity of structure and fish below your boat at greater depths than other high-frequency scanning sonars by putting more power on targets via a downward-facing element.
Ultra High-Definition SideV Scanning
This mode delivers stunningly clear images of structure and fish off to the sides of your boat. This makes it easy to scout a fishing area quickly because you can see everything the first time with such amazing clarity.








