Subscriber Identity Module Market - Global Industry Analysis, Size, Share,
Growth, Trends and Forecast (2012 - 2018)
A SIM or subscriber identity module is a smart card inside the GSM cellular phone that stores
International Mobile Subscriber Identity...
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Subscriber Identity Module Market - Global Industry Analysis, Size, Share,
Growth, Trends and Forecast (2012 - 2018)
A SIM or subscriber identity module is a smart card inside the GSM cellular phone that stores
International Mobile Subscriber Identity (IMSI) to identify and authenticate the user on mobile
telephony devices.
SIM is a small card that contains programming and information such as phonebook
entries.
The major advantage of GSM architecture is that the SIM can be moved from one mobile station
to another.
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Depending on its size, the SIM can be classified as
Full-size
Mini-SIM
Micro-SIM
Nano-SIM
Embedded-SIM
SIM cards are necessary in all cell phones for connecting to any particular network.
The flash memory
integrated in SIM cards also works as a memory card for storing the information such as phonebook
contacts, messages, and others.
Most of the currently available
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