goTenna [$299 – Pre-Order for $ 149.99] enables you to communicate without any need for central connectivity whatsoever—no cell towers, no wifi, no satellites—when you’re off-grid you can remain connected. as a matter of fact, goTenna will work if your smartphone is in “Airplane Mode”!

“We think this will spread pretty quickly once people see what it can do,” says GoTenna co-founder and CEO Daniela Perdomo. “If you’re in a situation where someone else gets a message through and you don’t, why wouldn’t you immediately go out and buy one? Our message is ‘No service, no problem.’”

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