GSM Full Form:GSM stands for Global System for Mobile Communications is a mobile phone standard developed by European Telecommunications Standards Institute (ETSI). It was introduced in 1992 and has become the de facto global standard for wireless voice communications.GSM has evolved over time to support various services such as SMS messaging, MMS messaging, data communication, Internet access, and so on. The latest version of GSM known as GSM Evolution (or simply GSM EVO) was launched in 2011.GSM EVO supports enhanced data rates, which means that users can enjoy faster downloads and upload speeds. This is achieved through higher bandwidth usage and improved radio frequency spectrum efficiency.View QuizComplete LessonNext LessonReset LessonGSM stands for Global System for Mobile communication, which is a mobile phone network standard developed by European Telecommunications Standards Institute (ETSI) and later adopted by many other countries around the world. The first commercial GSM network was introduced in Finland in 1992. In 1993, the United States switched over to GSM technology. GSM networks use radio waves to transfer data between phones and base stations.Also Read,- Full Form of Computer