Asia and handles voice efficiently but provides limited data and Internet support . The GSM standard dominated the European market in 1999 with 89 share . GSM systems are operated at higher frequencies but are based on technologies similar to TDMA . In Europe , Asia Pacific and North America GSM has become a dominant standard with a high degree of extra services and ensuing popularity . China with 35 million customers in 2000 is the largest GSM market . Market penetration has reached 70 in...











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