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２００１年１２月３１日,中国联通ＣＤＭＡ网在全国开通运营。ＣＤＭＡ移动通信系统是继模拟系统和ＧＳＭ系统之后,备受人们关注的移动通信系统,除了技术本身的优势之外,重要的是国际电信联盟已将ＣＤＭＡ定为未来的移动通信的统一标准之一。
December 31, 2001, China Unicom CDMA network opened in the country operations. CDMA mobile communication system is a mobile communication system attracting much attention after analog system and GSM system. Apart from its own advantages, it is important that the International Telecommunication Union has made CDMA one of the unification standards of mobile communication in the future .