There's a second network that exists in every major city in the US, lying mostly unused, and available to anyone. With a cell-phone sized amateur radio, you can communicate dozens of miles away in an instant.
The magic lies in “repeaters” – powerful stations built by avid volunteers that boost your signal and beam it out in all directions. These repeaters are often installed at the highest point in the area, meaning that no matter where you are, many more people can hear your voice.
WORLD GONE SILENT has the easiest to use starter kits, so you can gain access to this secondary communications network that is hidden in plain sight.