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Medion GoPal P4425 biometric satnav

It is the fingerprint security element, however, that makes it stand out. With portable satnav units an increasingly popular target with thieves, a way of making them worthless to all except their owner makes sense.

Another reason that fingerprint-based security could catch on is that satnav device owners often store their home details on the TomToms and Garmin units, making it easy to plot a route back from wherever they've driven.

However, thieves soon realised this and, having snatched a unit would check for the owner's address details. This could then lead them to a more lucrative haul as the absent homeowner found their house had been broken into, too. As a result, some satnav units now deliberately omit house numbers from the details they store in their internal memories.

Available from www.medionshop.co.uk, the Medion GoPal P4425 is priced at £249.99 inc VAT.

Medion GoPal P4425

The Medion GoPal P4425 has a built-in fingerprint reader to prevent unauthorised use

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