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Garmin Gcv 20, Scanning Sonar Black Box,
The easy-to-install, networkable GCV 20 sonar black box allows you to redefine clarity and detail. Add any of the 3 transducer models to see stunningly clear Ultra High-Definition ClearVü and Ultra High-Definition SideVü scanning sonars -with frequencies ranging from 0.8 MHz (800 kHz) to 1.2 MHz (1,200 kHz) -to your compatible chart plotter. And you can share sonar images seamlessly across multiple networked chart plotters as well as networking Panoptix all-seeing sonar. It includes a max power output of 500 watts. Ultra High-Definition Cleave Scanning mode provides image clarity of structure and fish below

Price is $343.00
Price: $342.79