The GPSMAP® 820 Chartplotter offers a dazzling array of mapping alternatives with a cutting-edge receiver plus NMEA 2000 connectivity for simple and fast networking. You won’t find a more up-to-date chartplotter anywhere! Supported sailing features in GPSMAP 820 Chartplotter include laylines, enhanced wind rose, heading and course-over-ground lines, and true wind data fields. The 10" diagonal color GPSMAP 820 keyed chartplotter has a preloaded worldwide basemap. The built-in 10 Hz GPS/GLONASS receiver updates your position and heading 10 times per second.
Features and Benefits
NMEA 2000 Support: This chartplotter allows you to add more capabilities to your boat. It provides NMEA 2000 support so you can see valuable information on your screen for Garmin autopilot, engine data, SiriusXM Weather radar and more.
Radar Support: Add your choice of marine radar, either open array or our new xHD dome radar that pair ease of use with advanced open array features.
Networking: The GPSMAP 820 offers select networking capabilities that allow you to share features with other compatible GPSMAP units, such as radar, GCV 10 DownVü and SideVü scanning sonar, supplemental maps, and user data, including waypoints, routes and tracks. User data entered into one chartplotter can be automatically synced with other chartplotters in a network.
Special Sailing Features: Supported sailing features include laylines, enhanced wind rose, heading and course-over-ground lines, true wind data fields and tide/current/time slider.
GND™ 10 Black Box Interface: The GND 10 black box interface seamlessly integrates Nexus instruments and sensors with the Garmin family. It converts data between the Nexus network and NMEA 2000 to provide trouble-free compatibility between Nexus and Garmin products, including gWind™ and gWind Race wind transducers.
Compatible with gWind Transducers: Garmin gWind, gWind Wireless and gWind Race transducers feature twin-fin technology with 3-bladed propeller. Connect to the NMEA 2000 and compatible Garmin chartplotters via the GND 10 black box bridge.
Get Your Apple® Device Onboard with BlueChart® Mobile: With BlueChart Mobile, a free app downloaded from the App Store™, you can plan marine routes on your iPad® or iPhone® then wirelessly transfer them to your boat’s compatible networked Garmin chartplotter. Even if you don’t have a Garmin chartplotter, you can still take advantage of the tremendous features of BlueChart on your Apple device.
View and Control Your Device From an iPhone or iPad: Garmin Helm™ allows you to view and control your compatible Garmin chartplotter from an iPhone or iPad — while providing enhanced situational awareness for the mariner. Easily switch between portrait and landscape mode to accommodate mounting preferences. Using your Apple digital mobile device, you can even record a movie of your chartplotter screen to share with friends and family. Download from the App Store today.
- Display Type: 256-color SVGA LCD
- Screen Size: 8" diagonal
- Horiz. Pixels: 800
- Vertical Pixels: 600
- Preloaded Cartography: Worldwide basemap
- Optional Cartography: LakeVü HD Ultra, BlueChart® g2, BlueChart g2 Vision™
- Receiver Type: High-sensitivity internal 10 Hz GPS/GLONASS
- NMEA Interface: NMEA 2000
- Waterproof Rating: IPX7
- Warranty: One year