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  2. SIM card - Wikipedia

    en.wikipedia.org/wiki/SIM_card

    SIM cards are identified on their individual operator networks by a unique international mobile subscriber identity (IMSI). Mobile network operators connect mobile phone calls and communicate with their market SIM cards using their IMSIs. The format is: The first three digits represent the Mobile country code (MCC).

  3. Universal integrated circuit card - Wikipedia

    en.wikipedia.org/wiki/Universal_integrated...

    A 25 × 15 mm Vodafone New Zealand SIM card. The universal integrated circuit card ( UICC) is the smart card ( integrated circuit card) used in mobile terminals in 2G ( GSM ), 3G ( UMTS ), 4G ( LTE ), and 5G networks. The UICC ensures the integrity and security of all kinds of personal data, and it typically holds a few hundred kilobytes.

  4. eSIM - Wikipedia

    en.wikipedia.org/wiki/ESIM

    An eSIM ( embedded SIM) is a form of SIM card that is embedded directly into a device. Instead of an integrated circuit located on a removable SIM card, typically made of PVC, an eSIM consists of software installed onto an eUICC chip permanently attached to a device. If the eSIM is eUICC-compatible, it can be re-programmed with new SIM information.

  5. Apple SIM - Wikipedia

    en.wikipedia.org/wiki/Apple_SIM

    Apple Inc. Type. Subscriber identity module. Website. www .apple .com /ipad /apple-sim /. The Apple SIM is a proprietary subscriber identity module (SIM) produced by Apple Inc. It is included in GPS + Cellular versions of the iPad Air 2 and later, iPad mini 3 and later, and iPad Pro. [1] The Apple SIM supports wireless services across multiple ...

  6. Secure access module - Wikipedia

    en.wikipedia.org/wiki/Secure_access_module

    A secure access module. A Secure Access Module (SAM), also known as a Secure Application Module, is a piece of cryptographic hardware typically used by smart card card readers to perform mutual key authentication. [1] [2] [3] SAMs can be used to manage access in a variety of contexts, such as public transport fare collection and point of sale ...

  7. SIM Application Toolkit - Wikipedia

    en.wikipedia.org/wiki/SIM_Application_Toolkit

    SIM Application Toolkit ( STK) is a standard of the GSM system which enables the subscriber identity module (SIM card) to initiate actions which can be used for various value-added services. [1] Similar standards exist for other network and card systems, with the USIM Application Toolkit (USAT) for USIMs used by newer-generation networks being ...

  8. Data card - Wikipedia

    en.wikipedia.org/wiki/Data_card

    Datacard or "electronic card": a card dealing with e.g. geographical, climatic, road or topographical data to be displayed on the video screen of some device (computer or GPS navigator ), or represented otherwise to be more convenient to use in a certain situation (for example, navigator's vocal instructions).

  9. Talk:SIM card - Wikipedia

    en.wikipedia.org/wiki/Talk:SIM_card

    That is what SoftSIM is. It is a new form factor of SIM card. So, like 1FF, 2FF, 3FF, 4FF, MFF2, iSIM, and nuSIM mentioned in this article, it is a product to be sold but also a SIM form factor. In fact, it is a form factor without form, making it rather special and noteworthy, in my opinion.

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