AT&T is currently rolling out a 5G network based on its 39GHz band (band n260) . In late May 2019, AT&T won big in an FCC auction for 24GHz spectrum.
Read moreDoes AT&T use Band 66?
66 – AWS, asymmetric favoring download speed, which is being implemented by AT&T now . Band 66 is a superset of band 4. 14 – Public Safety, 700MHz. Can also be used for commercial traffic but will have less priority.20 Ara 2017
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