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传感器节点是无线传感器网络硬件系统的核心,而工业无线传感器通常运行在人不能或不便接近的环境,能源无法替代,因此,设计合理的网络节点成为无线传感器网络的关键问题.该文以CC2431微控制器和CC1101无线射频收发芯片作为WIA-PA工业无线网络节点设计方案,实现了2.4GHz高频和433MHz低频数据收发,并给出了硬件和软件实现的方法.“,”The most important part of network hardware system in wireless sensor networks is the sensor nodes. Moreover, it running at a remote area where people can 't or can't conveniently reach and might being impossible in substitution of power resources,the wireless sensor network has a key problem on designing a rational network node. This paper uses CC2431 microcontroller and CC1101 wireless radio chip as the design precept of the WIA-PA sensor network node, and implements the data sending or receiving of the 2.4GHz high frequency and 433MHz low frequency, and presents the implement method of the hardware and software.