Comcast has completed the rollout of its DOCSIS 3.0 wideband service in the Chicago area and in northwest Indiana.

Comcast started deploying the faster data service, which has two tiers, in December.

"Wideband utilizes our existing advanced fiber-optic network in neighborhoods across Chicago and northwest Indiana. With this next-generation service, our customers' online experience is dramatically enhanced," said LeAnn Talbot, senior vice president of Comcast's Greater Chicago Region. "This new service will enable us to continue to offer our customers even faster speeds and an entirely new realm of Internet innovation."

Comcast uses DOCSIS 3.0’s channel bonding in order to offer a top downstream speed of 50 Mbps. Like in other markets, Comcast also said it was doubling the speeds for most of its high-speed Internet customers in the Chicago and northwest Indiana area at no additional cost.

Comcast’s DOCSIS 3.0 tiers are Extreme 50 and Ultra. Extreme features download speeds of up to 50 Mbps and upstream speeds of 10 Mbps for $99.95 per month with a subscription to Comcast’s video or voice services. Ultra clocks in with 22 Mbps down and 5 Mbps up at a cost of $62.95 per month when paired with the company’s video or voice offerings.

Business customers will also have access to the new wideband services. Customers can sign up for the Deluxe 50 Mbps/10 Mbps tier for $189.95 per month, while the Premium tier has speeds of 22/5 for $99.95.

Comcast increased the speeds for its existing Performance tier residential customers, who will now benefit from doubled downstream and upstream speeds offering up to 12 Mbps and 2 Mbps, respectively.

Comcast said its Performance Plus customers would be upgraded to Comcast's Blast! tier, which will double their download speeds to up to 16 Mbps and provide up to 2 Mbps of upload speed, and Comcast also has its PowerBoost technology for bursts of even faster speeds.

During its second-quarter earnings call earlier this month, Comcast CEO Brian Roberts said that Comcast planned to have its DOCSIS 3.0 wideband service in 80 percent of its footprint by year’s end, which was up from the 65 percent the company previously targeted. Comcast currently has DOCSIS 3.0 in 50 percent of its markets and has also increased the speeds of its other data tiers in those markets, as well.

Comcast has launched DOCSIS 3.0 in the following markets to date: the Twin Cities; the Boston metropolitan region and parts of southern New Hampshire; parts of Hartford, Conn.; the city of Philadelphia, as well as the greater metropolitan area; Harrisburg and Pittsburgh, Pa.; large parts of New Jersey; Atlanta; Baltimore; Chicago; Ft. Wayne, Ind.; Chattanooga, Tenn.; Portland and Eugene, Ore.; and Seattle and Spokane, Wash.

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