Satellite-powered phones are often clunky, expensive, and, well, dependent on satellite connection. GoTenna wants to bring off-the-grid text and GPS communication to your smartphone. No cell service? No Wi-Fi? No problem. The Brooklyn-based startup today announced funding of $ 7.5 million, led by Union Square Ventures. GoTenna’s USB key-type device works using Bluetooth low-energy (LE), […]
