04.04.2013 18:50 Uhr, Quelle: Engadget

Visualized: AT&T's network-boosting Small Cell

WiFi used to be the only somewhat reliable way for a carrier to plug up holes in its network coverage. It's a tactic AT&T's used to great effect in many metropolitan areas where it offers wireless service. But short of acquiring more spectrum -- a costly and time-consuming process littered with legal roadblocks -- the operator's been exploring an alternative solution: small cells. Testing for these st

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