AT&T technology chief John Donovan told USA Today that the company is considering a range of technology solutions to replace traditional copper lines. At the top of the list is WiMAX, which Donovan said could work in some U.S. markets, especially in rural areas where it is most expensive to maintain copper.
AT&T has a substantial portfolio of 2.3 GHz spectrum in the U.S. and must cover 25 percent of the population by July 2010. Last August, AT&T Alascom deployed WiMAX in Alaska in the 2.3 GHz band using Alvarion equipment.
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Alvarion's position in mobile WiMAX grows stronger. WiMAX article