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  2. Motorola StarTAC - Wikipedia

    en.wikipedia.org/wiki/Motorola_StarTAC

    However, all other models are fully compatible with modern SIM cards. With the exception of the 130 which takes a 2FF mini-SIM, GSM StarTACS accept a standard (1FF) SIM card. This format follows the same dimensions as a conventional debit/credit card and was the format used in the first GSM phones before the switch to the 2FF standard.

  3. Remote SIM provisioning - Wikipedia

    en.wikipedia.org/wiki/Remote_SIM_provisioning

    Remote SIM provisioning is a specification realized by GSMA that allows consumers to remotely activate the subscriber identity module (SIM) embedded in a portable device such as a smart phone, smart watch, fitness band or tablet computer.

  4. GAIT (wireless) - Wikipedia

    en.wikipedia.org/wiki/GAIT_(wireless)

    GAIT (an acronym for the GSM-ANSI-136 Interoperability Team) is a wireless standard developed in 1999 [1] that allows cross-operation of mobile telephone technologies. Phones compliant with the GAIT standard can operate on either contemporary GSM networks, or the legacy IS-136 TDMA and AMPS networks found extensively throughout North America.

  5. AT&T Mobility - Wikipedia

    en.wikipedia.org/wiki/AT&T_Mobility

    Cingular 3G UMTS SIM card. In California, Nevada, Northern New Jersey and New York City, Cingular and T-Mobile USA maintained and shared a GSM-1900 network prior to the acquisition of AT&T Wireless, through a joint venture known as GSM Facilities. The network sharing agreement allowed Cingular to offer local service in northern New Jersey and ...

  6. SIM card - Wikipedia

    en.wikipedia.org/wiki/SIM_card

    A typical SIM card (mini-SIM with micro-SIM cutout) A SIM card or SIM (Subscriber Identity Module) is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone devices (such as mobile phones and laptops).

  7. Mobile network codes in ITU region 3xx (North America)

    en.wikipedia.org/wiki/Mobile_network_codes_in...

    Originally BellSouth Mobility DCS, then Cingular Wireless, [82] then Aio Wireless, then rebranded as the new GSM Cricket Wireless: 310: 160: T-Mobile: T-Mobile US: Operational: GSM 1900 [82] GSM to shut down Sep 2024 [140] 310: 170: AT&T: AT&T Mobility: Operational: GSM 1900: Formerly Pacific Bell Wireless, then Cingular Wireless [82] CA/NV ...

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