Topographic maps and trail mapping are essential for off roading. Satellite communication: If you're going deep into the wilderness, opt for a GPS with satellite communication, like the Garmin ...

GPS coordinates identify the location the satellites have triangulated for ... UTM was designed for paper maps, helping to ...

The more satellite networks a GPS device can connect with ... most GPS units have an easy-to-read screen that displays a maps of your location. Some devices have touch screens which can be ...