Garmin GCV 20 Ultra HD Scanning Sonar Black Box w/GT34UHD-TM Ultra HD Transom Mount Transducer [010-02055-00] Communication | VHF - Fixed Mount as well as through-hull RV-200

as well as through-hull RV-200 and RV-300 series transducers

Also connects to Axiom Pro S series Units with optional adapter cable A80490

Hole diameter - 52MM

Radiation: Omni-Directional

Garmin GCV 20 Ultra HD Scanning Sonar Black Box w/GT34UHD-TM Ultra HD Transom Mount Transducer [010-02055-00] Communication | VHF - Fixed Mount as well as through-hull RV-200GCV 20 Ultra HD Scanning Sonar Black Box with GT34UHD TM Ultra HD Transom Mount Transducer Add Ultra High Definition Scanning Sonar to Your Compatible Chartplotter 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 sonars with frequencies ranging from 0. 8 MHz (800 kHz)