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  2. Comparison of mobile phone standards - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_mobile_phone...

    Cellular network standards and generation timeline. This is a comparison of standards of wireless networking technologies for devices such as mobile phones.A new generation of cellular standards has appeared approximately every tenth year since 1G systems were introduced in 1979 and the early to mid-1980s.

  3. iPhone 3G - Wikipedia

    en.wikipedia.org/wiki/IPhone_3G

    The iPhone 3G is a smartphone designed, developed, and marketed by Apple Inc. It is the second generation of iPhone, successor to the original iPhone, and was introduced on June 9, 2008, at the WWDC 2008 which took place at the Moscone Center in San Francisco .

  4. iPhone 3G review - Engadget

    www.engadget.com/2008-07-11-iphone-3g-review.html

    Not a deal breaker by any means, but it'd make for a welcome fix. Apple's numbers on the iPhone 3G's battery life peg it at 10 / 5 hours talk on GSM / 3G (respectively), 5 hours 3G data, 6 hours ...

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 [1] This network was superseded by 4G, and later by 5G.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

  6. Tutorial: How to Tether on an iPhone 3G or 3GS running OS 3.1.2

    techcrunch.com/2009/11/03/tutorial-how-to-tether...

    When the iPhone OS 3.1 update rolled through town, it brought with it a handful of new features – but it also killed off one, not-so-official feature: unauthorized data tethering on AT&T.

  7. Type Allocation Code - Wikipedia

    en.wikipedia.org/wiki/Type_Allocation_Code

    The Type Allocation Code (TAC) is the initial eight- digit portion of the 15-digit IMEI and 16-digit IMEISV codes used to uniquely identify wireless devices. The Type Allocation Code identifies a particular model (and often revision) of wireless telephone for use on a GSM, UMTS, LTE, 5G NR, iDEN, Iridium or other IMEI-employing wireless network ...

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