This portable antenna makes sure your phone never loses signal again

Losing cell service is a drag. If you're particularly well-connected, it's downright terrifying.

A new company called goTenna offers a possible solution with its rugged portable antenna. The device uses VHF radio waves to communicate with other goTennas in range, allowing users to send text messages up to 160 characters or send their location using offline maps.

Here's what it's all about.