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  2. Cable modem - Wikipedia

    en.wikipedia.org/wiki/Cable_modem

    Similar cable-bus systems are in operation at a number of government sites, e.g. Walter Reed Army Hospital, and the NASA Johnson Space Center, but these are all standalone, local-only networks. The system uses standard community antenna television (CATV) coaxial cable and microprocessor based Bus Interface Units (BIUs) to connect subscriber ...

  3. 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 ...

  4. Category 5 cable - Wikipedia

    en.wikipedia.org/wiki/Category_5_cable

    Cross section of a cat 5e cable. The Category 5e specification improves upon the Category 5 specification by further mitigating crosstalk. [9] The bandwidth (100 MHz) and physical construction are the same between the two, [10] and most Cat 5 cables actually happen to meet Cat 5e specifications even though they are not certified as such. [11]

  5. Frequency-division multiplexing - Wikipedia

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

    For example, the coaxial cable used by cable television systems has a bandwidth of about 1000 MHz, but the passband of each television channel is only 6 MHz wide, so there is room for many channels on the cable (in modern digital cable systems each channel in turn is subdivided into subchannels and can carry up to 10 digital television channels).

  6. Power dividers and directional couplers - Wikipedia

    en.wikipedia.org/wiki/Power_dividers_and...

    An inexpensive version of the power divider is used in the home to divide cable TV or over-the-air TV signals to multiple TV sets and other devices. Multiport splitters with more than two output ports usually consist internally of a number of cascaded couplers. Domestic broadband internet service can be provided by cable TV companies (cable ...

  7. ADSL - Wikipedia

    en.wikipedia.org/wiki/ADSL

    Modern ADSL filter/splitter (left) and filter (right). ADSL works by using spectrum above the band used by voice telephone calls. [1] With a DSL filter, often called splitter, the frequency bands are isolated, permitting a single telephone line to be used for both ADSL service and telephone calls at the same time.

  8. Here's what AOL readers are buying during the Cyber Monday ...

    www.aol.com/lifestyle/heres-what-aol-readers-are...

    Oral-B Pro 500 Electric Toothbrush for $30 ($5 off) LinkChef Electric Food Chopper, 1.2L for $30 ($70 off) 2022 Apple 10.9-inch iPad (10th Generation) for $259 ($190 off)

  9. Power over Ethernet - Wikipedia

    en.wikipedia.org/wiki/Power_over_Ethernet

    In this configuration, an Ethernet connection includes Power over Ethernet (PoE) (gray cable looping below), and a PoE splitter provides a separate data cable (gray, looping above) and power cable (black, also looping above) for a wireless access point. The splitter is the silver and black box in the middle between the wiring junction box (left ...

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