我国自1987年11月在广州开通第一个900MHz峰窝式移动电话系统,至1993年底,全国(除青海省外)已有800多个地市县以上城市开通了移动电话业务,用户总数达63.8万户。而1993年一年发展的用户数,就是开办此项业务6年来累计数的2.6倍,净增用户达46万多户。 为了给用户提供更好的服务,1993年4月1日,全国各省区实现了与北京、天津、上海、广州四个城市间的移动电话人工漫游。一些具备自动漫游条件的地 Since November 1987, China opened the first 900MHz cellular mobile phone system in Guangzhou. By the end of 1993, more than 800 cities and counties in the country (except Qinghai Province) had opened mobile phone services, and the total number of users reached 638,000. The number of users developing in 1993 was 2.6 times more than that of the six years since the establishment of this business, with a net increase of over 460,000 households. In order to provide users with better service, on April 1, 1993, all provinces and autonomous regions of the country realized artificial roaming of mobile phones with four cities of Beijing, Tianjin, Shanghai and Guangzhou. Some have automatic roaming conditions