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GSM (Global System for Mobile Communications: originally from Groupe Spécial Mobile).
GSM = Global System for Mobile communications.
CDMA = Code Division Multiple Access.
please answer
GSM is global system for mobile.
Its wireless communication system.
GSM stands for Global System for Mobile Communications. This originally came from 'Groupe Spécial Mobile'
Global System for Mobile communications
The acronym "GSM" comes originally from the French language:
Groupe Spécial Mobile