Feature a sunlight readable, 256-color, 640 x 480-pixel VGA display. The screen size for the GPSMAP 3210C is 10.4" and the GPSMAP 3206C is 6.4" diagonal. The plug-and-play systems put GPS, weather, sonar, radar, and other important data at boaters’ fingertips. WAAS-enabled, 12 parallel channel GPS sensor with 30 ft. cable length. High-speed RISC processor and graphics controller for fast screen redraw. Add sonar with optional GSD 20 remote sounder. Dual card slots; accepts data cards programmed with Garmin’s BlueChart® cartography.Permanent user data storage; no memory battery required. Built-in worldwide basemap showing cities, interstates, coastline detail and U.S. tide stations. 13.1" W x 8.8" H x 3.25" D unit dimensions.

Package Includes:GPSMAP 3210 OR 3206Preloaded with U.S. marine detail maps (g2 technology)GPS 17 WAAS-enabled sensorBail mountProtective coverPower/data cableA/V cableTemplate for flush mountingOwner manual, quick reference guide, Installation instructions