'The promise of faster mobile service is finally getting on the map later this year -- and it's headed south.
AT&T announced late Tuesday it will first roll out 5G to three locations: Dallas, Texas; Waco, Texas; and Atlanta.
The wireless giant previously said it would introduce the service to about a dozen U.S. markets by late 2018, but it didn't specify which cities or a specific timeline. The company said it would announce more cities in the coming months.'
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