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TV, Internet, voice, security and cellular services from Comcast, Philadelphia, PA, Branded Xfinity in 2010, for decades Comcast was known for its cable TV service, which began in 1963 as American Cable Systems. Because the same coaxial cable that brought TV into the home and office is also used for Internet access, Xfinity became the largest ISP in the U.S.

Also part of Comcast are NBC and Telemundo TV, as well as cable channels MSNBC, CNBC, USA Network, NBCSN and E!; however, they are not associated with the Xfinity brand.

Xfinity Services
X1 is the current Xfinity cable TV platform and interface, and Xfi is Comcast's mesh Wi-Fi service, which distributes a hotspot throughout the home or office. Xfinity voice offers landline telephone service to the analog phones in the house by converting the digital signal to analog. Xfinity Home provides in-home security monitoring, and Xfinity Mobile is cellular service.

Xfinity Mobile
In 2018, Comcast introduced its cellular service as a bonus to Xfinity customers. Riding on the Verizon network, Xfinity Mobile charges customers per gigabyte of cellular data but does not charge a fee per phone line as do all other cellular providers. In addition, Xfinity Mobile customers automatically connect to the millions of Xfinity hotspots in public venues as well as in homes with Xfinity routers that have the default guest access turned on. See Xfinity hotspot.
References in periodicals archive ?
TELECOMWORLDWIRE-March 15, 2018-Texas Southern University, Comcast to provide Xfinity On Campus
M2 EQUITYBITES-March 15, 2018-Texas Southern University, Comcast to provide Xfinity On Campus
Comcast and National Public Radio (NPR) today announced the launch of the NPR One app on Xfinity X1, enabling X1 customers to access NPRs growing library of news, talk and music programs with a unique lean-back experience that can be personalized to their specific tastes, locale and routines directly on the TV.
GURNEE -- Comcast plans to open an Xfinity Store in Gurnee at 6440 Grand Ave.
There's now an easier way to get the task done, thanks to a newly forged partnership between Comcast and iHeartMedia that makes the iHeartRadio digital platformavailable on all Xfinity X1 systems.
USA], Nov 7 (ANI): Comcast's Internet service, Xfinity, is facing outages across the United States.
com/support/cable-tv/xfinity-instant-tv-faqs/) its $18 XFINITY Instant TV Beta this week for cord-nevers.
Comcast today has completed its nationwide rollout of Xfinity Mobile across all of its sales channels in all of Comcast's markets.
Comcast has begun a roll out of Xfinity Prepaid Services, a pay-as-you-go offering that lets people sign-up for TV or Internet service and refill their subscription any time they would like, for either seven or 30 days.
The first is a new XFINITY Store, while the second is a new state-of-the-art data centre.
Comcast has launched Xfinity TV on the X1 Platform, and a new X1 remote control app is available across the company's Twin Cities service area.
Starting "as low as $99 per month for the first year," the offer applies to new customers and eligible existing customers upgrading to an XFINITY Triple Play package.