Products / Mapping Handhelds / marine421/421s
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, 3-D 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.
- MarinerEye view and FishEye view provide you a 3-dimensional perspective of map information, both above and below the waterline.
- High-resolution satellite images and aerial photographs help you orient yourself in unfamiliar areas.
- 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.
Physical & Performance: |
Unit dimensions, WxHxD: |
5.7" x 5.0" x 2.7" (14.5 x 12.7 x 6.9 cm) |
Display size, WxH: |
2.4" x 3.2", 4.0" diagonal (6.1 x 8.1 cm, 10.2 cm diagonal) |
Display resolution, WxH: |
240 x 320 pixels |
Display type: |
QVGA display |
Weight: |
1.3 lb (590 g) |
Battery: |
none |
Battery life: |
none |
Waterproof: |
yes (IPX7) |
Floats: |
no |
High-sensitivity receiver: |
yes |
Interface: |
serial and USB |
RoHS version available: |
yes |
Maps & Memory: |
Basemap: |
yes |
Preloaded street maps: |
no |
Ability to add maps: |
yes |
Built-in memory: |
none (cannot load maps to internal memory) |
Accepts data cards: |
SD™ card slot |
Waypoints/favorites/locations: |
3,000 |
Routes: |
100 |
Track log: |
10,000 points; 50 saved tracks |
Features: |
Automatic routing (turn by turn routing on roads): |
no |
Electronic compass: |
no |
Barometric altimeter: |
no |
Geocaching-friendly: |
yes |
Outdoor GPS games: |
yes |
Sun and moon information: |
yes |
Tide tables: |
yes |
Area calculation: |
yes |
Custom POIs (ability to add additional points of interest): |
no |
Unit-to-unit transfer (shares data wirelessly with similar units): |
no |
Picture viewer: |
no |
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