Q1 and Q2 analysis led to a sell recommendation for Telephone and Data Systems due to financial concerns, contradictory growth strategy, and overvaluation. TDS's capital investments are not paying off ...

Telephone and Data Systems Series VV preferreds offer a near-10% dividend yield and are trading for 63 cents on the dollar. TDS owns 83% of USM and initiated a sales process in August, attracting ...

Dividing a geographic market area into hexagonal cells and placing a base station in the center of each cell does not produce a cellular telephone system, although it is a necessary first step. In ...

SAN FRANCISCO - Martin "Marty" Cooper claimed his place in technology history 43 years ago when he demonstrated a handheld cellular phone. But back then, he didn't grasp how fully the concept would ...