Global System for Mobile Communications

GSM (Global System for Mobile Communications) is a Digital Wireless Technology used for cell phone in the world that is, it is a cellular technology used for transmitting mobile voice and data services. It was developed by the European companies.

Features Of GSM
  • It is 2G Technology
  • GSM is a circuit-switched technology

  • Uses GMSK [Gaussian Minimum Shift Keying] Modulation

  • It supports FDMA & TDMA
  • It uses SIM card so u can easily switch your SIM card between phones
  • International roaming is easier on a GSM network
  • In GSM every user requires a separate frequency channel for communication
  • GSM accounts for 80% of total mobile phone technologies market

  • The Frequency Band(range) in GSM
    The frequency of the carrier is very important, because it determines the Size, power, efficiency of your mobile phones.

  • It supports FDMA & TDMA as Multiple Access Techniques

Posted by Sadaf Dilshad Khan on 20:35. Filed under . You can follow any responses to this entry through the RSS 2.0. Feel free to leave a response


Recently Commented

Recently Added