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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. GSM - Wikipedia

    en.wikipedia.org/wiki/GSM

    Subscriber Identity Module (SIM) A nano sim used in mobile phones. One of the key features of GSM is the Subscriber Identity Module, commonly known as a SIM card. The SIM is a detachable smart card containing a user's subscription information and phone book. This allows users to retain their information after switching handsets.

  4. IDEMIA - Wikipedia

    en.wikipedia.org/wiki/IDEMIA

    IDEMIA. IDEMIA (formerly known as OT-Morpho) is a multinational technology company headquartered in Courbevoie, France. It provides identity-related security services, and sells facial recognition and other biometric identification products and software to private companies and governments. [1]

  5. Walmart, Capital One end exclusive consumer credit card agreement

    www.aol.com/finance/walmart-capital-one-end...

    Eric Revell. May 27, 2024 at 11:57 AM. Capital One and Walmart announced Friday that they ended the agreement that made Capital One the exclusive issuer of Walmart's consumer credit cards. Walmart ...

  6. Mass surveillance - Wikipedia

    en.wikipedia.org/wiki/Mass_surveillance

    Mass surveillance is the intricate surveillance of an entire or a substantial fraction of a population to monitor that group of citizens. The surveillance is often carried out by local and federal governments or governmental organizations, but it may also be carried out by corporations (either on behalf of governments or at their own initiative).

  7. European Union roaming regulations - Wikipedia

    en.wikipedia.org/wiki/European_Union_roaming...

    The Roaming Regulation 2022 ( (EU) 2022/612) bans roaming charges ( Eurotariff) within the European Economic Area (EEA), which consists of the member states of the European Union, Iceland, Liechtenstein and Norway. This regulates both the charges mobile network operator can impose on its subscribers for using telephone and data services outside ...

  8. OneSimCard - Wikipedia

    en.wikipedia.org/wiki/OneSimCard

    OneSimCard was introduced in 2007, by parent company Belmont Telecom Inc. a licensed U.S. interexchange carrier providing telecommunications services since 2004. [2] OneSimCard is distributed by retail stores throughout North America, including Fry's Electronics. OneSimCard is sold inflight on Virgin Atlantic and Malaysia Airlines.

  9. Roaming SIM - Wikipedia

    en.wikipedia.org/wiki/Roaming_SIM

    A roaming SIM is a mobile phone SIM card that operates on more than one network within its home country. Roaming SIMs currently have two main applications, the least cost call routing for roaming mobile calls and machine to machine. Using a normal network locked SIM, travelers can use their own roaming enabled mobile phone in any country that ...