Garmin GPSMAP 820xs Plotter Sonar Combo with CHIRP DownVu No TransducerOn Sale #:  45037
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Garmin GPSMAP 820xs Plotter Sonar Combo with CHIRP DownVu No Transducer

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Built-in Garmin HD-ID; and supports CHIRP and DownVu scanning sonar with CHIRP technology. High-sensitivity internal 10 Hz GPS/GLONASS receiver. Supports all Garmin marine radar.
More Details...   #45037
Brand:  Garmin
MFG Part#:   010-01180-01
Our Price: CAD$1,699.95
Sale: CAD$999.95
You Save: CAD$700.00!
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Garmin GPSMAP 820xs Plotter Sonar Combo with CHIRP & DownVu No Transducer 010-01180-01

Garmin 820xs - 8" "Keyed" Chartplotter/Sonar Combo for Cruising, Sailing or Fishing - (Garmin LakeVu, g2 or g2 Vision charts are required for Navigation)
  • Keyed chartplotter/sonar combo with 8” color SVGA display 
  • Preloaded worldwide basemap 
  • Built-in Garmin HD-ID™ and supports CHIRP and DownVü™ scanning sonar with CHIRP technology 
  • High-sensitivity internal 10 Hz GPS/GLONASS receiver 
  • Supports all Garmin marine radar 
The GPSMAP 820xs Keyed Chartplotter-Sonar combo has a 8” color SVGA display and comes preloaded with a worldwide basemap. HD-ID, CHIRP and DownVü with CHIRP sonar technology are built-in, allowing you the flexibility to choose from several optional transducers. 

Extreme Sonar Capabilities 

The built-in sonar capabilities of the GPSMAP 820xs gives you the freedom and flexibility to choose from several optional transducers, including traditional, CHIRP and all-in-one HD-ID/DownVü scanning sonar with CHIRP technology. Add a GCV™ 10 black box sonar for both DownVü and SideVü™ scanning sonar with CHIRP technology (sold separately). 

CHIRP Support

When used with a compatible CHIRP transducer (sold separately), GPSMAP 820xs displays crystal-clear sonar images detailing fishing hot spots, ship wreckage or a diving location. With Garmin CHIRP technology, you get remarkable target separation and resolution at extraordinary depths, and can dial into specific frequencies to target certain species of sport fish. Bottom contours are more visible, even at speed, and signal noise can be suppressed at greater depths to provide a more timely interpretation of what’s below for safer navigation and better fishing. 

Dynamic Sea Temperature

Set a range for sea temperatures, and it dynamically adjusts to display a color range that can be used to target certain types of fish. (Optional GXM™ 52 required) . 

Super-fast 10 Hz GPS/GLONASS

High-sensitivity internal 10 Hz GPS/GLONASS provides position and 
heading updates 10 times per second. It displays fluid on-screen location and proves to be incredibly accurate when marking waypoints and navigating. 

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. 

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. 


The GPSMAP 820xs 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 1 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 Transducer
  • 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. 

Apple, iPhone and iPad are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc.

In the Box
  • GPSMAP 820xs with worldwide basemap
  • Power/data cable
  • Bail mount
  • Flush mount 
  • Protective cover
  • Documentation

  GPSMAP 800 & GPSMAP 1000 Owners Manual
Serial Number - This product has a manufacturer's serial number that uniquely identifies the item. When your order ships, will record the serial number and add it to the history of the order. Should the item go missing before it arrives, we will register the serial number with loss and theft databases to prevent fraudulent use or resale of the item. There is no action required from you, and the serial number will only be used to prevent fraudulent activity associated with the missing item.

GPSMAP 820xs Physical & Performance

Physical dimensions 11.5" x 7.4" x 2.9" (29.3 x 18.8 x 7.4 cm)
Display size, WxH 6.4" x 4.8"; 8.0" diagonal

(16.2 x 12.1 cm; 20.3 cm diagonal)
Display resolution, WxH 800 x 600 pixels
Display type SVGA display
Weight 3.5 lbs (1.6 kg)
Antenna Internal with external connection
NMEA 2000® compatible  
NMEA 0183 compatible  
SiriusXMTM Weather & Radio compatible  
Power consumption Max power usage at 10 Vdc: 14 WTypical current draw at 12 Vdc: 1.1 AMax current draw at 12 Vdc: 3.2 A
Mounting options Bail, flat or flush
Garmin Marine NetworkTM ports 1

Maps & Memory

Preloaded maps None
Accepts data cards 2 SDTM cards
Waypoints 5,000
Routes 100
Track log 50,000 points; 50 saved tracks

Chartplotter Features

Garmin Radar compatible  
Garmin Sonar compatible Yes (built-in) and GCVTM black box compatible
Supports AIS (tracks target ships position)  
Supports DSC (displays position data from DSC-capable VHF radio)  
Tide tables  
Garmin MeteorTM Audio System compatible  
Supports FUSION-LinkTM compatible radios  
GCVTM Black Box sonar support  
BlueChart® Mobile (planning) compatible  
Garmin HelmTM compatible  

Sonar Features & Specifications

Dual-frequency (50/200 kHz) sonar capable  
Dual-beam (77/200 kHz) sonar capable  
Frequencies supported 50/77/200 kHz, CHIRP (low, medium, high), ClearVü
Transmit power 1 kW traditional; 1 kW single channel CHIRP
CHIRP sonar technology Yes (Built-in)
ClearVü Yes with CHIRP (built-in)
SideVü Yes (with GCVTM black box, sold separately)
Maximum depth 1,750 ft @ 50 kHz, saltwater, Garmin dual freq transducer @ 500 W2,700 ft @ 50 kHz, saltwater, Airmar B260 transducer @ 1000 W(depth capacity is dependent on water bottom type and other water conditions)
Bottom lock (shows return from the bottom up)  
Water temperature log and graph  
Sonar recording  
Sonar history rewind  


NMEA 0183 input ports 2
NMEA 0183 output ports 2
Video input ports None
Video output ports None
Wireless connectivity  


  • Ability to share internal sonar with the following devices:
    • GPSMAP 527/547 series
    • GPSMAP 527xs/547xs series
    • GPSMAP 721/741 series
    • GPSMAP 721xs/741xs series
    • GPSMAP 7400/7600 series
    • GPSMAP 7400xsv/7600xsv series
    • GPSMAP 8000 series
    • GPSMAP 800/1000 series
    • GPSMAP 800xs/1000xs series
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