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GPS devices are currently the everyman's answer to the horror of asking for directions and those who of getting lost. GPS systems are simply great for everyone who wants a smart way of getting around. Somehow the high technology has become a mainstream and common necessity, thanks to the demand by people who got the relevance of a GPS unit, may it be a budget GPS or a high-level model. The good news is that there are a lot of models to meet the most varied demands and what we need to do is to determine the features that fit our needs.

Are you in need of a GPS device? If so, then go over what kind of tasks you think you would use your GPS most of the time. Sure, you might enthusiastically say you plan to use it anywhere. But before you impulsively go see all the GPS systems on sale, go over these first: Recreational GPS: Recreational GPS were meant for the great outdoors, and some of these handy gizoms were built to absorb the occasional spill or accidental dunking into water. Handheld GPS units come in a variety of mobile designs, feeling at home right on your wrist, pocket, backpack, or dashboard. Automotive GPS: Car GPS devices specially built for navigation on the road will include built-in maps or allow you to download mapping data. Some devices are able to give voice directions, enabling you to keep your eyes on the road. Seemingly standard too, are touch screens and mounting options, in case your state prohibits the hanging of devices on windshields for safety's sake. Marine GPS: Marine GPS devices are designed for use at sea, with a waterproof design. Usually used to predict tides or remembering good fishing spots, these come pre-loaded with onshore and offshore maps, chart-plotting functions, and a screen that can be relied upon even under direct sunlight. Cell Phone GPS: And how can we forget the latest in the wave of GPS devices, GPS-enabled cell phones? Some of these phones have turn-by-turn navigation features, and can be irresistible at times because of the smart design.

GPS systems may vary according to intended use, but they more or less carry the same features and options: Accuracy: The average accuracy of most GPS devices is about 15 meters. If you need something more accurate, the device you are looking for is equipped with differential GPS (DGPS), which is precise up to 1 to 3 meters. Interface options: Due to the endless waves of people insisting on an endless list of interface options, GPS devices have also evolved to come up with practically all screen design and size imaginable, both either monochrome or colored. Larger color screens may be a bit pricier than the bunch with monochrome screens. Color screens are capable of displaying more detail, but the downside is that more battery power is required. So when you look at item listings on online selling sites, check the image the seller provides and ensure that the screen matches that of the GPS model you looked up on the Internet. Specifically, when scouting for your new automotive GPS, your leads are touch-screen navigation, audible voice prompts for driving directions, and a trip computer. These perks are actually great for keeping your eyes on the road, and the trip computer is to let you know how much distance is left before you reach your destination. Maps: U.S. street maps are now really ubiquitous software in most GPS devices. And for your next trip abroad, it's also possible to get extra software like maps for major cities outside the US. Data storage: A new way to satisfy your craving for even more space is via removable Secure Digital or CompactFlash memory cards, provided your device can handle those. Combination GPS units: There are people out there who still go for standalone GPS devices, but there's always the PDAs-, smartphones- and two-way radio-combos with the functionality. Check out these hybrids if you need a PDA or two-way radio. Weather resistance: Unless the packaging says that your GPS is immune from the occasional splash and spill, mind that you keep your GPS device out of the water and avoid dropping it. But if you intend to use it outdoors, then get yourself a GPS device with a rugged design and weather-resistant features.