Understanding GSM

10 Jul

GSM is the most widely used cell phone technology, with approximately 80% of the world using GSM technology when placing wirelss calls. The first GSM network was launched in Finland in 1991. SIM cards, SMS, and even Twitter’s 140 character limit all have roots in the GSM protocol.

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One Response to “Understanding GSM”

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  1. Weeks 3&4 : Workshop | MCDM Smartphone Class - 10 July 2010

    […] Erika – GSM […]

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