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  2. Hybrid fiber-coaxial - Wikipedia

    en.wikipedia.org/wiki/Hybrid_fiber-coaxial

    A fiber optic node has a broadband optical receiver, which converts the downstream optically modulated signal coming from the headend or hub to an electrical signal going to the customers. As of 2015, the downstream signal is a RF modulated signal that typically begins at 50 MHz and ranges from 550 to 1000 MHz on the upper end. The fiber optic ...

  3. Qube (cable television) - Wikipedia

    en.wikipedia.org/wiki/Qube_(cable_television)

    Warner Cable's expanded cable service in Columbus and Cincinnati continued to use the Qube name following its shutdown. Warner Cable began installing a fiber-optic cable network in Columbus in December 1989, resulting in the Qube name being phased out in the area. Warner Cable ended its use of the Qube name in Cincinnati in November 1990.

  4. Fiber-optic communication - Wikipedia

    en.wikipedia.org/wiki/Fiber-optic_communication

    This value is a product of bandwidth and distance because there is a trade-off between the bandwidth of the signal and the distance over which it can be carried. For example, a common multi-mode fiber with bandwidth–distance product of 500 MHz·km could carry a 500 MHz signal for 1 km or a 1000 MHz signal for 0.5 km.

  5. Frequency-division multiplexing - Wikipedia

    en.wikipedia.org/wiki/Frequency-division...

    A once commonplace FDM system, used for example in L-carrier, uses crystal filters which operate at the 8 MHz range to form a Channel Group of 12 channels, 48 kHz bandwidth in the range 8140 to 8188 kHz by selecting carriers in the range 8140 to 8184 kHz selecting upper sideband this group can then be translated to the standard range 60 to 108 ...

  6. Multimedia over Coax Alliance - Wikipedia

    en.wikipedia.org/wiki/Multimedia_over_Coax_Alliance

    The Multimedia over Coax Alliance (MoCA) is an international standards consortium that publishes specifications for networking over coaxial cable.The technology was originally developed to distribute IP television in homes using existing cabling, but is now used as a general-purpose Ethernet link where it is inconvenient or undesirable to replace existing coaxial cable with optical fiber or ...

  7. 5 Appliances You Should Avoid Buying at Walmart, Based ... - AOL

    www.aol.com/finance/5-appliances-avoid-buying...

    This Midea fridge from Walmart is just under $1,000. While that might be a great deal compared to many other stainless steel refrigerators on the market, this one unfortunately gets only 2.7 stars ...

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