The SIM card contains at least two numbers that identify the customer; the international mobile subscriber identity (IMSI) and a secret authentication key number K. The SIM contains a microprocessor, ...

Global system for mobile communication (GSM) is wide area wireless communications system that uses digital radio transmission to provide voice, data, and multimedia communication services. A GSM ...

There are about 1.6 billion GSM mobile phones (MPs) in use throughout the world today. Due to the close proximity of the antenna of the mobile handset to the user's ear and head, the brain is ...

Near Field Communication software company Zenius Solutions has launched an NFC add-on software product for GSM phones enabling interactive NFC capability on mobile phones currently in market.