Daniela Perdomo saw a need for off-grid communications and founded www.gotenna.com. By simply using a smartphone, a device and an app, it allows people to set up their own communication networks, even when there’s no cell tower or phone service available. The device is inexpensive and allows users to text and call each other, wherever they may be. The range is currently limited to several miles, but it can be a lifesaver for skiers and hunters, who have gone outside the coverage area of their cell carrier. It also works for those seeking privacy from snooping governments. She’s sold thousands of the units and is foreseeing further growth as word gets out.
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