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。