Information Technology

Gartner Glossary

SIM Card (Subscriber Identity Module) Card

Programmable smart card in a mobile device that gives access to a network. It contains codes (such as the IMSI) to identify a subscriber to a digital mobile service and the details of the special services the subscriber has elected to use. A SIM card may be a removable plastic card with embedded memory and a processor chip or may be fixed within the mobile device.

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