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GSM

Discussion in 'Northeastern US Wireless Forum' started by Guest, Mar 7, 2002.

  1. Guest

    Guest Guest

    What does GSM mean?New to this stuff................
     
  2. Jack

    Jack Silver Senior Member
    Senior Member

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    GSM is a type of digital service that is used by voicestream wireless (cingular and at&t are switching there network to it)

    Jack
     
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  3. Malial

    Malial Senior Member
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    taken from PhoneScoop:

    (Global System for Mobile Communication)

    GSM is currently the dominant 2G digital mobile phone standard for most of the world. It determines the way in which mobile phones communicate with the land-based network of towers.

    GSM has not been the most popular standard in the United States in the past. Until recently, VoiceStream was the only nationwide carrier to use it. CDMA and TDMA, competing standards, together shared most of the market.

    However, AT&T Wireless and Cingular, who both used TDMA technology, are now switching to GSM technology. This will narrow the major technologies in the US to two - GSM and CDMA.

    The most visible feature of GSM are SIM cards. SIM cards are removable, thumbnail-sized smart cards which identify the user on the network, and can also store information such as phone book entries. SIM cards allows users to switch phones by simply moving their SIM card from one phone to the other.
     

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