GoTenna – Send Text Messages when there’s No Signal

If you're going off into the wilderness this summer or somewhere really crowded, you're not likely to find a cellular signal. That can be a problem when you need to find someone or you're lost yourself. With the GoTenna, it doesn't matter if there's a signal or not, you'll still be able to send text messages to someone else who also has a GoTenna.

You can also share your location and it's all for free. It works by connecting to your phone via Bluetooth and then connects to other phones via long-range radio waves (151-154 MHz). It works anywhere in the world and might be handy when travelling abroad, where you want to avoid getting a local sim card, or even during a natural disaster.

Buy/More info $149.99

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