goTenna is a device that lets you send text messages and share your GPS location to other goTenna users who are within range even when your phone service is unavailable. It offers a range around 50 miles. The device pairs with your smartphone via Bluetooth LE and uses the app to connect between each other. It works with both Android and iOS device.
goTenna comes with a flash memory that is good for 100 of message and features end-to-end encryption, so it’s safe and secure. With a rechargeable lithium-polymer battery lasts for 24 hours of standby. Cool travel gear and great gifts for travelers.