3G中重要的应用，分析讲解了可视电话的基本原理和信令流程，及一些背景知识...

自己用VB6.0写的visa32控制CMU200测试手机射频指标工具，要安装visa32驱动。手机装测试白卡，自动拨号连接手机，自动生成测试报告。-Own use VB6.0 to write visa32 control CMU200 test mobile radio indicator tools, mobile equipment testing white card, automatic dial-up connection phone to automatically generate test reports.

手机RILGSM实现的源代码，整个手机的RIL层的实现都有，很全。-Phone RILGSM realize the source code, the entire phone RIL layer realize there are very wide.

vs2005开发环境下面用C#编写的虚拟RFID串口模拟器。当接从串口收到一个数据的时候，工具自动回复一个你定制的报文串。前提是需要有虚拟串口。也可以手动向串口发送报文的功能。-vs2005 development environment written in C# using the following virtual RFID serial simulator. Upon receiving a data received from the serial port when the tool automatically go back to a string of your custom message. The premise that the need for a virtual serial port. You can also manually send a message to the serial port function.

QAM和QPSK进行误码率测试根据设定信噪比，得出在rayleigh 的仿真曲线真正帮助理解 qam，qpsk的调制解调到底是什么原理

华为公司的路由器配置手册，非常有用的资料，希望对大家有所帮助-Huawei router configuration manuals, very useful information, want to help everyone

这是关于CCS3.3的一个编程的规范！比较有用的！-This is about a programming specification CCS3.3! More useful!

intel的那套directshow的rtp的filter的文档，directshow中有这套rtp的filter框架，却没有相应的帮助文档-the document of rtp for intel rtp, the architect is in the directshow, but there is not document.

直接从DELPHI中向WINFAX发送传真。功能包括：封面，记帐代码，附件，计划发送，显示发送屏幕的选项等。适用语言：D5-Directly from the DELPHI to WINFAX send a fax. Features include: the cover, billing code, accessories, plans to send, send screen display options. The application of the language: D5

连接Modem的源代码-linking the source code Modem

不错的VC通讯程序 可以实现NET通讯和COM通讯 很好的例子-VC a good communication program can be achieved NET communication and COM communication good example