The GPSMAP 547 Chartplotter has 60 percent more processing power than the previous generation for faster zooming and panning. With the integration of the high-sensitivity 10Hz GPS/GLONASS receiver, the GPSMAP 547 is able to update position and heading ten times per second, providing significantly smoother on-screen navigation. This industry-leading GPS receiver dramatically improves the ability to mark and navigate to waypoints and also allows for vessel movement to be crisp and fluid on screen. Also includes full wireless connectivity. The 547 chartplotter comes preloaded with both Garmin U.S. offshore and U.S. lakes cartography. 
View and Control Your Device From an iPhone^?: or iPad^?:: Garmin Helm allows you to view and control your compatible Garmin chartplotter from an iPhone or iPad - while providing enhanced situational awareness for the mariner. Easily switch between portrait and landscape mode to accommodate mounting preferences. Using your Apple digital mobile device, you can even record a movie of your chartplotter screen to share with friends and family. Download from the App Store today.
Although the water may be choppy, navigation won't be.

• Display Type: Color TFT LCD
• Horiz. Pixels: 640
• Vert. Pixels: 480
• Receiver Type: Superfast 10Hz GPS/GLONASS receiver :
• Optional Cartography: BlueChart^?: g2, BlueChart^?: g2 Vision and LakeVü: HD Ultra :
• Included Accessories: Power/data cable, Tilt/swivel mount, Flush mount kit, Protective cover
• Data Interface: NMEA 0183, NMEA 2000
• Waterproof Rating: IPX7