GSM (Global System for Mobile communications) is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe protocols for second-generation (2G) digital cellular networks used by mobile devices. GPRS (General Packet Radio Service) is a packet-oriented mobile data service on the 2G and 3G cellular communication system's global system for mobile communications (GSM). GSM/GPRS is commonly used for voice calls, SMS text messaging, and low-bandwidth data services like mobile internet access.
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