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Navigate the Lake
The GPSMAP 431s comes ready to go with preloaded U.S. Inland Lake map data. For areas outside the U.S., the GPSMAP 431s has a worldwide basemap with satellite images in place of more traditional maps. The GPSMAP 431s also comes standard with a high-sensitivity GPS receiver for superior satellite tracking and quicker acquisition times. And with an SD card slot, it's easy to add additional maps without connecting to a computer.
The GPSMAP 431s is also NMEA 0183-certified for easy connectivity with sensors, instruments and future marine offerings.
With the optional Inland Lakes Vision SD card, you can add a whole new dimension of exceptional features to your chartplotter.
3-D map view: yes (with optional BlueChart g2 Vision card)
Auto Guidance: yes (with optional BlueChart g2 Vision card)
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