US operator AT&T has reportedly begun rolling out 3G services in the 850MHz spectrum band with positive results from users. The company has previously operated 3G networks in the 1900MHz band, but the new spectrum has been freed up by the closure last year of its TDMA network. AT&T has not released specific details on the switchover, but reports suggest activation has already occurred in San Francisco, Atlanta and Las Vegas, amongst other areas.
source: GMBB
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