Another five years passed before the first GSM network operator went live in Finland in 1992. In the USA, the first digital mobile network was established only a year later. By the end of 1 993, there were 1 3 GSM networks on air in sevenanbsp;...
|Title||:||The Hitchhiker's Guide to Going Wireless|
|Publisher||:||Juta and Company Ltd - 2005|