By Jo Best, 20 November 2006 12:50
GPS is not a box in your car. If you're in need of some map assistance while out walking, you can turn your mobile into a sat-nav device with the help of Bluetooth and a pocket-sized GPS receiver, such as this Navigator from TomTom.
All the maps are stored on a memory card and viewed using the phone's screen - and you can still accept calls or reads texts as normal.
Photo credit: TomTom

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