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GSM是Global System for Mobile Communica-tions的缩写,意为:全球移动通信系统。属第二代。如今,该系统基站遍布,信号覆盖面广,全球漫游顺畅。这也是它的最大优点。中国移动目前正在推出的GPRS(General Packet Radio Service)即
GSM is the abbreviation for Global System for Mobile Communica- tions, meaning: Global System for Mobile Communications. Is the second generation. Today, the system has extensive base stations, a wide range of signal coverage and smooth global roaming. This is also its biggest advantage. China Mobile is currently introducing GPRS (General Packet Radio Service) that is