Day: July 15, 2019

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SIM Cards

The Subscriber Identity Module (SIM) is really a smart card chip, of the size of a postage stamp, which when inserted in your cell phone, forms the intelligent source of the different kinds of communications. A Smart Card is an integrated circuit card (ICC) and is defined as a tiny card with embedded integrated circuit. […]

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Overview of Global Mobile SIM Cards

Global System for Mobile Communication (GSM) modem is a specialized kind of modem that operates over paid subscription bases to a wireless network, exactly like a mobile phone. It accepts a Subscriber Identity Module (SIM) and actually performs like a cellular phone for computers. This type of modem can be used as a separate cell […]

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