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  2. Cordless telephone - Wikipedia

    en.wikipedia.org/wiki/Cordless_telephone

    Two cordless telephones 3 VTech cordless landline phones A Panasonic KX-TG2226B 2.4GHz cordless phone with answering machine. A cordless telephone or portable telephone has a portable telephone handset that connects by radio to a base station connected to the public telephone network. The operational range is limited, usually to the same ...

  3. 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).

  4. Removable User Identity Module - Wikipedia

    en.wikipedia.org/wiki/Removable_User_Identity_Module

    KDDI's au IC-Card Sierra Wireless AirCard 555R PC Card wireless modem for the China Unicom network with R-UIM interface (extension at the front). Removable User Identity Module (R-UIM, usually pronounced as "R-yuim") is a card developed for cdmaOne/CDMA2000 ("CDMA") handsets that extends the GSM SIM card to CDMA phones and networks.

  5. Apple SIM - Wikipedia

    en.wikipedia.org/wiki/Apple_SIM

    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 supported carriers, which can be selected from a user interface within iOS and iPadOS , removing the need to install a SIM provided by the carrier itself.

  6. Personal unblocking key - Wikipedia

    en.wikipedia.org/wiki/Personal_unblocking_key

    If the wrong PIN is entered more than three times, the SIM card will become locked. It can be unlocked by entering the PUK code provided by the mobile service provider, [1] which may be available on the SIM card's packaging, the contract, or provided by customer service after identity verification. After the PUK code is entered, the PIN must be ...

  7. Here's how you can remove your phone number and address from ...

    www.aol.com/news/heres-remove-phone-number...

    Google's updated policies now allow you to request personal information, including phone numbers, email addresses and home addresses to be removed from search.

  8. 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 ...

  9. Telephone - Wikipedia

    en.wikipedia.org/wiki/Telephone

    Mobile phones require a SIM card to be inserted into the phone. The SIM card is a small PVC card containing a small integrated circuit which stores the user's international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers to the cellular network.