What is GSM?

GSM (Global System for Mobile communications) is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation (2G) digital cellular networks used by mobile devices such as tablets. It was first deployed in Finland in December 1991.[2] As of 2014, it has become the global standard for mobile communications […]

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What is MCC MNC?

MCC (Mobile Country Codes) are used in Wireless Telephone Networks (GSM, CDMA, UMTS, etc.) to identify the country which a mobile subscriber belongs to. An MCC is used in combination with an MNC (Mobile Network Codes) (a combination known as an “MCC/MNC tuple”) to uniquely identify a mobile network operator (carrier) using the GSM (including […]

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