goTenna Mesh is like a walkie-talkie on steroids. Designed essentially for off-grid group adventures, goTenna Mesh uses smart protocols and radio waves to connect to fellow Mesh users up to three miles (4.8 km). The range can be boosted up to 2-3 times that distance if you relay your signal through others. This is the magic of gTenna Mesh – the more users of its people-powered network the better connected the user becomes.

Read full review