In under three months, AT&T upgraded its cellular network to handle the wireless spectrum purchased from EchoStar.

AT&T gave up some of its Friday losses after it announced it has activated the mid-band spectrum acquired from EchoStar.

That's because Verizon takes a different approach from other carriers. AT&T has more perks the higher up the plan scale you ...

From the customer's perspective, this should translate into faster, more consistent network access. If you're an AT&T ...

There is a laundry list of reasons you might want to switch to an AT&T wireless plan. It offers one of the best unlimited cell phone plans, especially for those with big families. Also, it often has ...

AT&T Inc. has deployed nearly 300 new cell sites across Connecticut as part of a nationwide network expansion using wireless spectrum it recently acquired, the telecommunications company said in an ...

In an announcement following the FCC's approval of its acquisition of BellSouth, AT&T indicated Cingular Wireless, previously jointly owned by AT&T and BellSouth, will be the heart of the new company.

What kind of broadband connection does your netbook have? Is it a landline, Wi-Fi, or mobile network connection? AT&T executives believe that, going forward, such distinctions will blur as the company ...

AT&T Wireless on Tuesday joined a growing number of American telephone service providers using "voice portals", which let people surf the mobile Web using only verbal commands. To use the service, ...