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AT&T begins Airgig trials: Gigabit wireless internet wherever power lines are available

There are a growing number of companies offering gigabit internet speeds, but typically that requires running new cables to a customer’s home. Last year AT&T unveiled a different idea: piggyback on existing power lines that already crisscross the country. AT&T’s Airgig is actually a wireless technology. But instead of building new cell towers, it puts […]