Top-rated GPS navigation devices for 2015 include the Garmin Nuvi 2589LMT and the TomTom Go 500, according to Top Ten Reviews. These devices receive strong reviews for their ease of use and functionality. More »

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The SanDisk Class 4, the Lexar Professional 633x SDHC, the Lexar High Performance MicroSDHC 300x and the Kingston Digital Class 4 microSDHC are four good SD card options for GPS navigation devices. All four are available... More »

Reviews for Nextar GPS navigation systems on Amazon.com are both positive and negative -- of the 21 reviews for the Nextar 3.5-inch Portable GPS Navigator as of December 2015, 10 of them are positive, stating that it doe... More »

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To compare different GPS devices, navigate to the Products section on websites of GPS manufacturers, such as Garmin, or access the Reviews section for GPS navigation devices on websites such as PCMag.com, and select whic... More »

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Manuals for Garmin GPS devices are available for download on the Garmin website. The search page for manuals first requires a user to select a product category and subcategory. The user can then choose from a list of rel... More »

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Garmin Oregon 600, Garmin GPSMAP 62sc, Garmin Oregon 550, Magellan eXplorist 710 and Garmin Dakota 20 are some of the best handheld GPS devices. These handheld GPS units have been tested by experts and are ideal for outd... More »

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GPS navigation systems are satellite navigation systems that connect systems on Earth, such as computers and car navigation devices, with satellites in space. The GPS, or Global Positioning System, operates using 24 sate... More »

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