What cellular band does AT&T use?

What LTE Bands does AT&T use? First, AT&T. The company has rolled out a massive 4G LTE network in the United States with support for bands 2, 4, 5 and 17, but the backbone of it remains band 17 in the 700MHz range , the company’s primary band. From 2017, AT&T towers also support band 12 as per FCC requirements.

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