What's Included:
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GPSMAP 421s
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Transom Mount Dual Frequency Transducer (200/50 KHz, 10/40 degrees)
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Tilt/swivel mount
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Protective front cover
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Power/data cable
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Owner's manual
The GPSMAP 421 is a compact chartplotter that features an ultra-bright 4" QVGA color display along with an improved high-speed digital design for
increased map drawing and panning speeds. It's ready to go with a built-in, satellite-enhanced worldwide basemap and an easy-to-use interface designed to help you navigate the open waters with
ease. The GPSMAP 421 also accepts BlueChart g2 Vision cards for added features and functionality such as high-resolution satellite imagery, 3D views and Auto Guidance technology.
View Satellite-enhanced Worldwide Basemap
The GPSMAP 421 basemap contains worldwide satellite images in place of traditional maps. The GPSMAP 421 also comes standard with a high-sensitivity
GPS receiver for superior satellite tracking and quicker acquisition times. In addition, the GPSMAP 421 can receive U.S. graphical weather data via optional GXM 51 satellite receiver/antenna.
And with an SD card slot, it's easy to add additional maps without connecting to a computer.
Add Sonar
Where applicable, the sounder version, GPSMAP 421s, comes with a powerful dual-frequency transducer that clearly illustrates depth contours, fish
targets and structures whether you're fishing in freshwater or off the coast. The GPSMAP 421 and GPSMAP 421s are also NMEA 2000-certified for easy connectivity with sensors, instruments and
future marine offerings.
Add Extras with BlueChart g2 Vision
With the optional BlueChart g2 Vision SD card, you can add a whole new dimension of exceptional features to your chartplotter.
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3D Mariner's and Fish Eye view provides you with a 3-dimensional perspective of map information, both above and below the waterline
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High-resolution satellite images and aerial photographs help you orient yourself in unfamiliar areas
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Auto Guidance technology searches through all relevant charts to create a route you can actually follow - one that avoids obstacles, shallow
water, buoys and other obstructions
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Physical & Performance:
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Unit Dimensions, WxHxD:
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5.7"W x 5.0"H x 2.7"D (14.5 x 12.7 x 6.9cm)
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Display Size, WxH:
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2.4"W x 3.2"H, 4.0" diagonal (6.1 x 8.1cm, 10.2cm diag)
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Display Resolution, WxH:
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240 x 320 pixels
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Display Type:
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QVGA colour TFT
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Weight:
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1.3lb (0.59 kg)
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Battery:
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Battery Life:
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Waterproof:
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 (IPX7)
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High-sensitivity receiver:
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Antenna:
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internal
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NMEA input/output:
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NMEA 0183 compatible and NMEA 2000 certified
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Maps & Memory:
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Basemap:
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(worldwide)
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Preloaded maps:
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Ability to add maps:
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Built-in memory:
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(cannot load maps to internal
memory)
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Accepts data cards:
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SD card slot
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Waypoints/favouries/locations:
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3000
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Routes:
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100
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Track Log:
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10,000 points; 50 saved tracks
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Features:
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Garmin radar compatible:
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Garmin sonar compatible:
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CANet compatible:
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Garmin Marine Network compatible:
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Touchscreen:
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Supports AIS (tracks target ships' position):
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Supports DSC (displays position data from DSC capable VHF radio):
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Audible alarms:
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Tide tables:
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Hunt/fish calendar:
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Sun and moon information:
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3D map view:
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(with optional BlueChart g2 Vision
card)
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Auto Guidance:
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(with optional BlueChart g2 Vision
card)
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Automatic routing (turn by turn routing on roads):
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Voice prompts:
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Speaks street names:
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Remote control:
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Headphone jack/audio line-out:
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Audio/video input/output:
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Portable:
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Automotive/motorcycle-friendly:
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