
GPSMAP 721 allows for easy visibility, day or night. Whether it is flat, flush or gimble-mounted, it will be the focal point of your helm. It has media integration and autopilot compatibility, radar support, and NMEA® 2000 and wireless connectivity. It includes our hallmark user-friendly interface as well as a worldwide basemap.
With the integration of a 10Hz GPS/GLONASS receiver, the 721 refreshes position and heading up to 10 times per second. It displays constant and fluid on-screen location and proves to be incredibly accurate when marking and navigating to any one of 5,000 user-created waypoints.
It also has wireless connectivity, giving you the opportunity to connect and access marine-specific apps via smartphone or tablet.
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 |
9.0" x 5.6" x 2.4" (22.9 x 14.2 x 6.1 cm) |
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Display size, WxH |
6.0" x 3.6"; 7.0" diagonal (15.2 x 9.1 cm; 17.8 cm diagonal) |
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Display resolution, WxH |
800 x 480 pixels |
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Display type |
Multi-touch touchscreen WVGA display |
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Weight |
2.1 lbs (0.9 kg) |
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Water rating |
IPX7 |
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Receiver |
10 Hz high-sensitivity |
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Antenna |
Internal with external connection |
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Mounting options |
Bail, flat or flush |
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Power consumption |
Max power usage at 10 Vdc: 27 W Typical current draw at 12 Vdc: 1.3 A Max current draw at 12 Vdc: 2.3 A |
Maps & Memory |
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Preloaded maps |
None |
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Accepts data cards |
2 microSD™ cards |
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Waypoints |
5,000 |
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Routes |
100 |
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Track log |
50,000 points; 50 saved tracks |
Features & Benefits |
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Garmin Radar compatible |
Yes |
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Garmin Sonar compatible |
Yes (with GCV™ black box, sold separately) |
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NMEA 2000® compatible |
Yes |
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NMEA 0183 compatible |
Yes |
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Garmin Marine Network™ compatible |
Yes (limited capabilities) |
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Garmin SmartMode compatible (customizable monitor presets) |
No |
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Supports AIS (tracks target ships position) |
Yes |
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Supports DSC (displays position data from DSC-capable VHF radio) |
Yes |
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Tide tables |
Yes |
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Garmin Meteor Audio System compatible |
Yes |
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GSD™ Black Box sonar support |
No |
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GCV™ Black Box sonar support |
Yes |
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SiriusXM™ Weather & Radio compatible |
Yes |
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BlueChart® Mobile (planning) compatible |
Yes |
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Garmin Helm compatible |
Yes |
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GRID™ (Garmin Remote Input Device) compatible |
No |
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Wireless remote compatible |
No |
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Wireless mouse compatible |
No |
Sonar Features & Specifications |
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Dual-frequency (50/200 kHz) sonar capable |
No |
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Dual-beam (77/200 kHz) sonar capable |
No |
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Frequencies supported |
DownVü™/SideVü™ (with GCV™ black box, sold separately) |
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CHIRP sonar technology |
No |
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DownVü™ |
Yes (with GCV™ black box, sold separately) |
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SideVü™ |
Yes (with GCV™ black box, sold separately) |
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Voltage range |
10-32 Vdc input |
Connections |
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NMEA 0183 input ports |
2 |
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NMEA 0183 output ports |
2 |
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Video input ports |
1 BNC |
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Video output ports |
None |
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Wireless connectivity |
Yes |
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Garmin Marine Network™ ports |
1 |
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