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Definition of "Groupe Special Mobile (GSM)" |
a digital cellular communications network standard developed in Europe in the 1980s and now implemented in many countries throughout the world. The acronym originally denoted Groupe Special Mobile, after the French based group that developed the system. Now the acronym denotes Global System for Mobile. GSM is one of a group of systems that are usually referred to as second-generation cellular systems. The system uses 200 kHz channels, GMSK modulation and frequency hopping. GSM transmits digitally encoded speech at a rate of approximately 13 kbps and makes extensive use of channel error correcting codes. |
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