AT&T came out with a femtocell device 2 years ago to help their customers extend coverage to inside their homes and offices. How is a Microcell different from a cell phone signal booster which amplifies a signal or WiFi calling which is free. AT&T now has more Microcells on their network than cell phone towers and its growing at a rate of 50% vs their cell phone towers where are only growing at a rate of 8%. AT&T has sold more than 350,000 Microcells on their network in just two short years and only has 256,000 cell phone towers on their network.
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