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无线分组数据网（ＣＤＰＤ），被公认为是当今世界最佳的无线数据规格，它旨在解决便携机、笔记本等带来的「移动通信」问题。据测算，到２０００年西方发达国家数据业务量将超过话音业务量，其中无线数据通信业务在数据业务中所占的比例将大于百分之十。有了ＣＤＰＤ，人...
The Wireless Packet Data Network (CDPD), acknowledged as the best wireless data specification in the world today, is designed to solve the “mobile communications” issues of laptops, laptops and more. It is estimated that in 2000 the developed countries in the Western data traffic will exceed the voice traffic, including wireless data communications business in data services will account for more than 10%. With CDPD, people ...