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自从1987年11月18日第一个TACS模拟蜂窝移动电话系统在广东省建成并投入商用以来,经过20年的建设运营,我国移动通信产业取得举世瞩目的成绩。从第一代“大哥大”,到第二代
Since the first TACS analog cellular mobile phone system was established and put into commercial operation in Guangdong Province on November 18, 1987, China’s mobile communications industry has made remarkable achievements after 20 years of construction and operation. From the first generation of “big brother” to the second generation