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  2. Wireless engineering - Wikipedia

    en.wikipedia.org/wiki/Wireless_engineering

    Wireless engineering contains a wide spectrum of application, most notably cellular networks. The recent popularity of cellular networks has created a vast career demand with a large repository. The popularity has also sparked many wireless innovations, such as increased network capacity, 3G, cryptology and network security technologies.

  3. Mobile technology - Wikipedia

    en.wikipedia.org/wiki/Mobile_technology

    Nikola Tesla laid the theoretical foundation for wireless communication in 1890. Guglielmo Marconi, known as the father of radio, first transmitted wireless signals two miles away in 1894. Mobile technology gave human society great change. The use of mobile technology in government departments can also be traced back to World War I.

  4. 3G - Wikipedia

    en.wikipedia.org/wiki/3G

    3G is the third generation of wireless mobile telecommunications technology. It is the upgrade to 2G, 2.5G, GPRS and 2.75G Enhanced Data Rates for GSM Evolution networks, offering faster data transfer, and better voice quality. [1] This network was superseded by 4G, and later by 5G. This network is based on a set of standards used for mobile ...

  5. Qualcomm - Wikipedia

    en.wikipedia.org/wiki/Qualcomm

    Financials as of September 24, 2023. [update] [1] Qualcomm Incorporated ( / ˈkwɒlkɒm /) [2] is an American multinational corporation headquartered in San Diego, California, and incorporated in Delaware. [3] It creates semiconductors, software, and services related to wireless technology.

  6. List of mobile network operators in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_network...

    AT&T, T-Mobile, Verizon, Dish Wireless , and uscellular also sell SIM cards through their retail channels, both in-store and online. The top five wireless providers operate nationwide wireless networks which cover most of the population in the United States, while smaller carriers provide native network coverage across selected regions of the ...

  7. UMTS Terrestrial Radio Access Network - Wikipedia

    en.wikipedia.org/wiki/UMTS_Terrestrial_Radio...

    UTRAN architecture. UMTS Terrestrial Radio Access Network ( UTRAN) is a collective term for the network and equipment that connects mobile handsets to the public telephone network or the Internet. It contains the base stations, which are called Node B 's and Radio Network Controllers (RNCs) [1] which make up the Universal Mobile ...

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