While it seems like every handheld device these days come with a GPS receiver, not every GPS-packing portable can be used in the wild. Magellan’s new eXplorist devices, the 710, 610, and 510, all come with the basic features that we should all expect from a dedicated navigator (which means you get maps, road routes, and points of interest), but also come with an important bonus for frequent travelers and outdoorsy-types: they’re built to be tough.

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