What is GSM and types?

Global System for Mobile Communication aka GSM is defined as the digital network aiding mobile connectivity . The GSM network is used by people from different parts of the world and Europe, on a whole. Of the three variants, GSM, TDMA and CDMA, the former stands as the most popularly used network.

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Is GSM is 4G?

GSM is a second-generation (2G) cellular technology standard and is, therefore, less capable of providing high-speed data as compared to UMTS, which is a third-generation (3G) technology and LTE, which is a fourth-generation (4G) cellular technology.

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