Cellphone to Walkie Talkie: goTenna Dongle

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A new gadget can turn your cellphone in a 'walkie talkie' - even if you have no phone coverage.

The goTenna uses radio waves to communicate over 50 miles.

THE DONGLE TRANSMITS INFORMATION INCLUDING LOCATION AND MESSAGES WITHOUT NETWORK ACCESS

If both people have a device, they can messages each other and send their location, complete with a map

The gadget also creates a 'mesh' network among users, allowing the range to be extended.

The firm says the gadget is perfect for hikers and outdoor enthusiasts, and even for families who travel a lot - who can use it abroad without paying roaming charges

More information -

[/b]http://www.dailymail.co.uk/sciencetech/article-2697726/The-walkie-talkie-dongle-means-willll-never-phone-coverage.html