Comcast Gets Into Home Security

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The company plans to announce tomorrow that it's expanding its Xfinity Home Security service. Last year the company began testing the service in Houston. Now it's adding six more cities. Additional cities that will get the new service include parts of Philadelphia; Portland, Ore.; Jacksonville, Fla.; Sarasota/Naples, Fla.; Chattanooga, Tenn.; and Nashville.

The Xfinity Home Security service offers traditional home security features, such as police and fire alarm protection with 24-hour monitoring. It also offers some home automation functions, such as the ability to adjust thermostats and lights remotely. And when people are not home, they can also watch live video streams from wireless cameras that are positioned in and around their home.

The technology behind the system is slightly different from traditional home security systems from companies, such as ADT. The Comcast Xfinity Home Security system works over a broadband connection rather than a phone connection. And as a result it's able to offer the video service and remote management. The company uses cellular networks as a back up to the broadband connectivity to ensure uptime.