小型智能化信息集群移动通信范国良江苏省吴江县在１９８７年率先组建了全国第一个４００兆赫超短波县级党政系统无线电话传真通信专用网（简称吴江无线网）。该网络总体设计合理，性能优良，融超短波电台、程控交换机、高速三类传真机、自动拨号电话于一体，电话交换、接... Small intelligent information cluster mobile communications Fan Guoliang Wujiang County in Jiangsu Province in 1987 took the lead in the formation of the country’s first 400 MHz UHF county party and government systems wireless telephone fax communications network (referred to as Wujiang wireless network). The overall network design is reasonable, high performance, ultra-shortwave radio, program-controlled switches, high-speed three types of fax machines, automatic dial phone in one, telephone exchange, then ...