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由重庆市无线电话公司向加拿大诺瓦特尔公司引进的450兆赫蜂窝状移动电话系统,于1987年11月初开始安装调测,通过中加两国工程技术人员的共同努力,到12月初,已调通了控制交换系统和两个基地站,开放了50个信道,试装了40个用户,开始投入试运转阶段,通过试运转阶段,将进一步考验系统的稳定性和可靠性;进一步试验及开发各种新的服务功能和业务管理功能,为正式验收、投产打好基础.引进的450兆赫蜂窝状移动电话系统,
The 450-MHz cellular mobile phone system introduced by Chongqing Radiotelephone Co., Ltd. to Novotel, Canada, started installation and commissioning in early November 1987. Through the joint efforts of engineers and technicians of both China and Canada, Through the control of the exchange system and two base stations, opening up 50 channels, pre-installed 40 users, began to put into trial operation phase, through the trial operation phase, will further test the stability and reliability of the system; further testing and development A variety of new service functions and business management capabilities, lay the foundation for formal acceptance, put into operation the introduction of the 450-megahertz cellular mobile phone system,