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At & T moved into more detail about the trial of 5G to be held this summer in Austin, Texas. With Ericsson and Intel manufacturers, will test equipment at frequencies of 15 GHz and 28 GHz said Tom Keathley, VP of wireless network architecture and operator of the design. “The intention is to find out how the technology works millimeter at high frequencies and then set off for the standard frequencies,” he said

The executive said the company is concerned about the fragmentation of technology, since there are some operators announce launch pre-5G standards before the standard is fully developed. In South Korea, for example, there are operators announced 5G for for February 2018, but the first release official is only expected for mid-2018, and phase two by the end of 2019 with commercial launch in 2020. (international agencies).