Meet the Beartooth: a nifty solution for those of you who plan to spend some time off-grid. It lets you communicate with others using your phone even when you don’t have a cellular or WiFi connection. The Beartooth is compatible with iOS and Android devices. It has a line-of-sight range of 5 miles for voice and 10 miles for text.
You can use the Beartooth to engage in 1:1 or group messaging. You can also broadcast a SOS message to any device in range. The device has 4 days of battery life with a 3000 mAh battery to recharge your smartphone. It uses AES 256-bit encryption to protect your privacy.