T-Mobile has fresh 600 MHz spectrum dedicated to 5G. Only the Un-carrier is capable of delivering nationwide 5G without taking spectrum away from other customers.
Read moreWhat bands does ATT 5G use?
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.
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