Comcast to offer wireless Internet service

(AP) -- Comcast is rolling out wireless Internet service Tuesday in Portland, Ore., with plans to add three other cities by the end of the year.

Comcast is the first major cable operator to roll out wireless broadband. The service offers speeds of up to 4 Megabits per second and is carried over the 4G network of Clearwire Corp., where it's offered. Elsewhere, it will use Sprint Nextel Corp.'s 3G network coast-to-coast.

Comcast High-Speed 2go Metro service is on promotion for $49.95 a month for a year and includes Comcast's wired Internet home service and a Wi-Fi router. The regular price is about $73 a month. The national version, using Sprint, costs $20 a month more.

Comcast plans to offer the service in Philadelphia, Atlanta and Chicago later this year.

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