目前 ,北京联通公司ＧＳＭ1 30网成功地进行了六期扩容。此次扩容新增交换容量 1 0万门 ,使交换总容量突破 50万门。由于新开通了 6 9个基站 ,如今 ,除了偏远山区的非旅游景点和地铁复八线以外 ,北京联通的ＧＳＭ1 30网基本实现了对北京市区 (含地铁 )、远郊区县、效外公路、绝 At present, Beijing Unicom GSM1 30 network successfully carried out six expansion. The expansion of new exchange capacity of 10 million, the total exchange capacity exceeded 500,000. Due to the newly opened 69 base stations, nowadays, in addition to the non-tourist attractions in the remote mountainous areas and the Fuzhao Subway Line, Beijing Unicom’s GSM1 30 network has basically realized the optimization of Beijing’s urban area (including the subway), suburban counties, Never