8" Keyed Chartplotter for Cruising, Sailing or Fishing
- 8” color SVGA display with keyed control
- Preloaded with worldwide basemap
- High-sensitivity internal 10 Hz GPS/GLONASS receiver
- Compatible with LakeVü™ HD Ultra, BlueChart® g2 and BlueChart g2 Vision®
- Supports all Garmin marine radar
The 8” 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.
NMEA 2000® Support
This combo 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.
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.
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.
Physical & Performance
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Unit dimensions, WxHxD
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11.5" x 7.4" x 2.9" (29.3 x 18.8 x 7.4 cm)
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Display size, WxH
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6.4" x 4.8"; 8.0" diagonal
(16.2 x 12.1 cm; 20.3 cm diagonal)
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Display resolution, WxH
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800 x 600 pixels
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Display type
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SVGA display
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Weight
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3.5 lbs (1.6 kg)
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Water rating
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IPX7
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Receiver
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10 Hz high-sensitivity
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Antenna
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Internal with external connection
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Mounting options
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Bail, flat or flush
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Power consumption
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Max power usage at 10 Vdc: 14 W
Typical current draw at 12 Vdc: 1.1 A
Max current draw at 12 Vdc: 3.2 A
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Maps & Memory
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Preloaded maps
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None
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Accepts data cards
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2 SD™ cards
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Waypoints
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5,000
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Routes
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100
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Track log
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50,000 points; 50 saved tracks
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Features & Benefits
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Garmin Radar compatible
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Yes
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Garmin Sonar compatible
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Yes (with GCV™ black box, sold separately)
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NMEA 2000® compatible
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Yes
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NMEA 0183 compatible
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Yes
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Garmin Marine Network™ compatible
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Yes (limited capabilities)
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Garmin SmartMode compatible (customizable monitor presets)
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No
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Supports AIS (tracks target ships position)
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Yes
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Supports DSC (displays position data from DSC-capable VHF radio)
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Yes
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Tide tables
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Yes
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Garmin Meteor Audio System compatible
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No
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Supports Fusion Lync compatible marine radios
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No
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GSD™ Black Box sonar support
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No
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GCV™ Black Box sonar support
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Yes
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SiriusXM™ Weather & Radio compatible
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Yes
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BlueChart® Mobile (planning) compatible
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Yes
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Garmin Helm compatible
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Yes
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GRID™ (Garmin Remote Input Device) compatible
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No
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Wireless remote compatible
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No
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Wireless mouse compatible
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No
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Sonar Features & Specifications
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Dual-frequency (50/200 kHz) sonar capable
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No
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Dual-beam (77/200 kHz) sonar capable
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No
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CHIRP sonar technology
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No
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DownVü™
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Yes (with GCV™ black box, sold separately)
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SideVü™
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Yes (with GCV™ black box, sold separately)
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Voltage range
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10-32 Vdc input
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Connections
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NMEA 0183 input ports
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2
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NMEA 0183 output ports
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2
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Video input ports
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None
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Video output ports
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None
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Wireless connectivity
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Yes
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Garmin Marine Network™ ports
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1
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- GPSMAP 820 with worldwide basemap
- Power/data cable
- Bail mount
- Flush mount
- Protective cover
- Documentation