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What is the full form of GSM ?

GSM - Global System for Mobile Communications


Global System for Mobile Communications, is a standard set developed by the European Telecommunications Standards Institute (ETSI), as a replacement for first generation (1G) cellular networks.

Technical Details - GSM uses narrow band TDMA, that is 30 kHz wide and 6.7 milliseconds long, split time-wise into three time slots which allows eight simultaneous calls on the same radio frequency.

Features provided by GSM Cellular Network :-

  • Short Message Service (SMS) for text messages
  • Authentication and security to make phone calls more secure
  • Call forwarding
  • Call waiting
  • Multi-party conferencing

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