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Comcast Cable Communications, LLC, doing business as Xfinity, is an American telecommunications business segment and division of the Comcast Corporation.It is used to market consumer cable television, internet, telephone, and wireless services provided by the company.
Cable modem termination system. A cable modem termination system (CMTS, also called a CMTS Edge Router) [1] is a piece of equipment, typically located in a cable company's headend or hubsite, which is used to provide data services, such as cable Internet or Voice over IP, to cable subscribers.
Robotic vacuum cleaner on a hardwood floor. A robotic vacuum cleaner, sometimes called a robovac or a roomba as a generic trademark, is an autonomous robotic vacuum cleaner which has a limited vacuum floor cleaning system combined with sensors and robotic drives with programmable controllers and cleaning routines.
The Roomba Dirt Dog contained sweeping brushes and a larger dust bin, but lacked the vacuum motor, using the space that would be required for the vacuum for additional dust bin volume. It was designed for a home shop or garage environment. [10] The Roomba Model 401 was similar but had a standard-size dust bin and vacuum system.
Note: While ITU-T Recommendation J.112 Annex B corresponds to DOCSIS/EuroDOCSIS 1.1, Annex A describes an earlier European cable modem system ("DVB EuroModem") based on ATM transmission standards. Annex C describes a variant of DOCSIS 1.1 that is designed to operate in Japanese cable systems.
An optical isolator is a two-port passive component that allows light (in a given wavelength range) to pass through with low attenuation in one direction, while isolating (providing a high attenuation for) light propagating in the reverse direction. Isolators are used as both integral and in-line components in laser diode modules and optical ...
Due to the specific properties of light, the optical beams can be bundled especially well in comparison to radio-based devices, allowing highly directional Li-Fi systems to be implemented. Devices have been developed for outdoor use that make it more difficult to access the data due to their low beam angle, thus increasing the security of the ...
Comcast scored in the bottom 5 for each region of the United States, including 10th in the East Region. [6] One of the largest internet based consumer-review services, Rateitall.com reports the average consumer review of Comcast as 1.6 out of 5 stars, based on a total of 511 reviews to date (2014). [7]