1.   In recent years, the vulnerability of analog transmission has become a problem for both cellular carriers and consumers.

2.   The new players are working to match the roaming capabilities and phone choices offered by cellular carriers.

3.   Already there are two cellular carriers, and two PCS operators on top of the winners of the C and F block auctions.

4.   Also named as defendants are Cingular Wireless LLC, Sprint Corp. and Verizon Communications Inc. Verizon is the largest cellular carrier in the U.S., followed by Cingular.

5.   Arizona is served by two major cellular carriers, US West Cellular and Cellular One, formerly Bell Atlantic Mobile.

6.   Armed with that information, cellular carriers and other companies want to offer consumers a way to find their favorite haunts while on the road.

7.   But cellular carriers are extending coverage throughout the country, and reception in the wilderness could improve greatly in the next few years.

8.   Cellular carriers and law-enforcement officials are reluctant to discuss pending investigations.

9.   Cellular carriers and other networking companies are rushing to fix that.

10.   Cellular carriers have virtually eliminated subscription fraud by closely scrutinizing phone application information, Bowersock said.