goTenna is a small device that enables you to use your smartphone to send and receive text messages, and share your GPS location on detailed offline maps with others even when you don’t have service. In the case of an emergency, goTenna can help you get assistance fast. Download the app to pair your smartphone with goTenna via Bluetooth-LE, and communicate off-grid with other goTenna users, no cell towers, wifi routers or even satellites required!
