AT&T has said it will begin 3G femtocell service in the U.S. by year's end, but a Sprint Nextel executive insisted the carrier will get there first with "full commercial service," according to an Internet report.
Femtocells, the small home-base stations, have become increasingly important to carriers because of their ability to enhance wireless voice service as well as ensure that customers can use their mobile phones to go online at home.

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