The company offered service under the Cellular One brand in most regions. Although originally a TDMA carrier in most areas, the company migrated to GSM technology.

The company offered service in 19 western states under the "Cellular One" brand name, a name the company also licensed to wireless service providers in 16 additional states and the Caribbean.

Telecommunications company T-Mobile US has agreed to acquire most of U.S. Cellular, one of the last major regional wireless carriers, in a bid to fend off competition. T-Mobile will pay ...

The concept of cellular technology had already been created by Motorola's rival, AT&T, whose Bell Labs introduced a system allowing calls to be moved from one cell to another while remaining on ...