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1.国内发展情况 我国1984年开始有移动电话,1987年上海、广州率先开通900M蜂窝电话系统。1994年9月广东省第一个可在省内自动漫游(GSM)数字移动电话网试运行。 1995年初模拟900M移动电话系统实现了全国自动漫游。
1. Domestic Development Our country started to have a mobile phone in 1984, and in 1987 Shanghai and Guangzhou opened the first 900M cellular telephone system. In September 1994, Guangdong Province was the first to conduct a trial operation of a GSM mobile digital network in the province. Early 1995 model 900M mobile phone system to achieve the national automatic roaming.