AT&T's tethered drones serve as emergency cell towers in storm-ravaged Louisiana. The tether supplies power so the drones can hover indefinitely.
The drone has the potential to hover over 300 feet and is connected by a tether attached to the ground. When someone texts, calls, or uses data, the signal is sent to the drone and transferred through the tether to a router. The router pushes information through a satellite, into the cloud, and finally into the AT&T network.
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