We have a deal on an interesting device called goTenna. It’s essentially your own private network for sending encrypted messages and GPS coordinates to friends, with no local service required. You pair it with your iPhone or Android device, and then use the goTenna app to send messages to your goTenna friends. Check out the video. Our deal is on two goTennas for $155, 13% off retail.
Check It Out: goTenna Lets You Send Secure Messages and GPS Coords without Service: $155