5441336865

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GSM

-    Early 1980's, several cellular networks in Europę

-    the Systems are incompatible from one country to another

-    Conseąuences : - mobile eąuipements are limited to the frontiers

- limited market

-Creation of « Group Special Mobile » to:

•Increase the ąuality of service

•    international support: roaming

•    new functionalities

•    provide terminals and services with Iow cost

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