Cellular Digital Packet Data (CDPD) network is one of the mobile packet data technologies, with rather lower cost of network laying, operation and lower service fees and worthy of popularization.

  • 蜂窝数字分组数据(CDPD)网是一种移动分组数据技术,具有较低的建网、运营成本和业务费用,因此具有广泛推广的价值。
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