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  2. 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 [1] This network was superseded by 4G, and later by 5G.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 ...

  3. End of 3G service: AT&T will shut down its 3G network ... - AOL

    www.aol.com/news/end-3g-t-shut-down-180841521.html

    AT&T is about to take the first step toward the end of 3G service. On Tuesday, the wireless carrier will shut down its 3G network , which means multiple older smartphones and countless other ...

  4. AT&T Mobility - Wikipedia

    en.wikipedia.org/wiki/AT&T_Mobility

    AT&T Mobility. AT&T Mobility, LLC, also known as AT&T Wireless and marketed as simply AT&T, is an American telecommunications company. It is a wholly owned subsidiary of AT&T Inc. and provides wireless services in the United States. AT&T Mobility is the largest wireless carrier in the United States, with 241.5 million subscribers as of December ...

  5. iPhone 3G - Wikipedia

    en.wikipedia.org/wiki/IPhone_3G

    Within the United States, it was only available with a two-year AT&T cell phone plan, and required an up-front payment of $199 for the 8 GB model and $299 for the 16 GB model. [11] Following the release of the successor iPhone 3GS model one year later, the iPhone 3G remained on sale but became Apple's budget phone offer, with its price reduced.

  6. History of mobile phones - Wikipedia

    en.wikipedia.org/wiki/History_of_mobile_phones

    In 1949, AT&T commercialized Mobile Telephone Service. From its start in St. Louis, Missouri, in 1946, AT&T introduced Mobile Telephone Service to one hundred towns and highway corridors by 1948. Mobile Telephone Service was a rarity with only 5,000 customers placing about 30,000 calls each week. Calls were set up manually by an operator and ...

  7. List of wireless network technologies - Wikipedia

    en.wikipedia.org/wiki/List_of_wireless_network...

    CDMA2000 is a family of 3G mobile technology standards for sending voice, data, and signaling data between mobile phones and cell sites. It is a backwards-compatible successor to second-generation cdmaOne (IS-95) set of standards and used especially in North America and South Korea, China, Japan, Australia and New Zealand.

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