Comcast enters U.S. wireless business with unlimited data plans

By Anjali AthavaleyNEW YORK (Reuters) - Comcast Corpon Thursday unveiled a wireless service with an unlimited data plan, making it the first major U.S. cable provider to enter the highly competitive wireless market.Unlimited data, talk and text will be available by mid-year for $65 per line for up to five lines, or $45 per line for customers with Comcast's top X1 packages, which bundle TV, internet and phone services, the company said.U.S. wireless carriers Verizon Communications Inc , AT&T