It also describes how to realize integrated GPRS DTU by using of GR47 module from Sony Ericsson Company.
详细地阐述了基于索尼爱立信GR47模块的集成gprs数据终端的软、硬件实现。
Chapter 4 researches the basic elements of GPRS DTU, including the design of hardware and software.
第四章研究了GPRS DTU的基本原理，包括硬件和软件设计。
Chapter 4 researches the basic elements of GPRS DTU, including the design of hardware and software.
第四章研究了GPRS DTU的基本原理，包括硬件和软件设计。
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