This version of the GPSMAP 7616xsv includes a J1939 connector, which offers a dedicated CAN port for receiving engine data.Designed for sportfishermen, cruisers, sailors and sailing racers who demand high performance, ease of operation and feature integration in a chartplotter/sonar combo. Features built-in dual CHIRP sonar plus CHIRP DownVü and CHIRP SideVü scanning sonar with the clearest images on the water.Internal 10Hz GPS updates position and heading 10 times per second. Fully network capable, including Garmin Network and NMEA 2000, plus built-in Wi-Fi connectivity. BlueChart g2 and U.S. LakeVü HD maps included. Transducers sold separately.Key FeaturesBuilt-in Advanced Sonar Capabilities:The built-in sonar capabilities of the GPSMAP 7616xsv include 1 kW dual CHIRP sonar, the most sophisticated sonar technology available for the fishing and boating public. It also includes both CHIRP DownVü and CHIRP SideVü scanning sonar that provide nearly photographic sonar images of fish and structure that passes below and to the sides of your boat. DownVü and SideVü provide the clearest scanning sonar images on the water. Also supported are 50 kHz/200 kHz, 77 kHz/200 kHz and Minn Kota and MotorGuide trolling motor transducers (transducers sold separately).Garmin Marine Network. NMEA 2000 and J1939 Support:Full-network compatibility allows you to add more to your boat. GPSMAP 7616xsv supports radar, autopilot, instruments, multiple screens, FUSION-Link, sensors, remote sonar modules, digital switching, thermal cameras, GRID and more.J1939 connector offers a dedicated CAN port for receiving engine data.Network Sharing:GPSMAP 7616xsv allows you to share features with other compatible GPSMAP units, such as radar, supplemental maps and user data, including waypoints, routes and tracks. User data entered into 1 chartplotter can be automatically synced with other chartplotters in a network.Heading, Position Refreshed 10 Times per Second:Fast, responsive 10 Hz GPS/GLONASS refreshes your position and heading 10 times each second to make your movement on the screen more fluid. It makes dropping up to 5,000 accurate waypoints and finding