Garmin GPSMAP 276Cx

Amazon.com Price: $594.23 (as of 02/06/2019 15:50 PST- Details) & FREE Shipping.

GPS AND GLONASS – Internal antenna with GPS and GLONASS satellite reception to track your position in more challenging environments than GPS alone
OPTIONAL MAPPING – Built-in worldwide basemap with shaded relief, and also upports Garmin TOPO maps, BlueChart g2 HD marine charts, Custom Maps, raster maps, and vector maps
SEE YOUR SURROUNDINGS – Includes a free 1-year BirdsEye Satellite Imagery subscription for real-life terrain views on your device

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