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  2. Republic Wireless - Wikipedia

    en.wikipedia.org/wiki/Republic_Wireless

    Republic Wireless (stylized in all lowercase) is an American mobile virtual network operator (MVNO). It is a subsidiary of Dish Wireless . Republic sells low cost mobile phone service on its partner AT&T 's network.

  3. TracFone Wireless - Wikipedia

    en.wikipedia.org/wiki/TracFone_Wireless

    TracFone Wireless, Inc. (TFWI) is an American prepaid, no-contract mobile phone provider. TFWI is a subsidiary of Verizon Communications , [1] and offers products and services under several brands. It operates as a mobile virtual network operator (MVNO), holding agreements with the three largest United States wireless network operators to ...

  4. ebook - Wikipedia

    en.wikipedia.org/wiki/Ebook

    An ebook (short for electronic book), also known as an e-book or eBook, is a book publication made available in digital form, consisting of text, images, or both, readable on the flat-panel display of computers or other electronic devices.

  5. Hearing aid - Wikipedia

    en.wikipedia.org/wiki/Hearing_aid

    Uses. Hearing aids are used for a variety of pathologies including sensorineural hearing loss, conductive hearing loss, and single-sided deafness.Hearing aid candidacy is typically determined by a Doctor of Audiology, or a certified hearing specialist, who will also fit the device based on the nature and degree of the hearing loss being treated.

  6. Heat sink - Wikipedia

    en.wikipedia.org/wiki/Heat_sink

    Although the pin-fin has 194 cm 2 surface area while the straight-fin has 58 cm 2, the temperature difference between the heat-sink base and the ambient air for the pin-fin is 50 °C, but for the straight-fin it was 44 °C, or 6 °C better than the pin-fin. Pin-fin heat sink performance is significantly better than straight fins when used in ...

  7. C Spire - Wikipedia

    en.wikipedia.org/wiki/C_Spire

    C Spire, formerly known as Cellular South, Inc., is a privately owned technology company headquartered in Ridgeland, Mississippi.The company consists of three business divisions – C Spire Wireless, C Spire Home Fiber, and C Spire Business.

  8. SunCom - Wikipedia

    en.wikipedia.org/wiki/SunCom

    SunCom owned wireless licenses in the "28 Basic Trading Areas" as defined by the FCC which covered SunCom Wireless's southeast region. These licenses included the major metropolitan areas of Charlotte , Greensboro , Raleigh - Durham - Cary , and Charleston and in aggregate encompass a population of over 14 million people.

  9. Ethernet - Wikipedia

    en.wikipedia.org/wiki/Ethernet

    Ethernet was developed at Xerox PARC between 1973 and 1974. It was inspired by ALOHAnet, which Robert Metcalfe had studied as part of his PhD dissertation. The idea was first documented in a memo that Metcalfe wrote on May 22, 1973, where he named it after the luminiferous aether once postulated to exist as an "omnipresent, completely-passive medium for the propagation of electromagnetic waves."