SMTP协议的标准文档，IETF的RFC中文版

发送UDP的源代码-send UDP source code

gsm protocol c sourc code

PDF wenjia yue du qi

简单的PPC红外线通讯，本代码通过PDA红外与手机红外端口连接并发送短消息！-PPC simple infrared communication, the code through the PDA and cell phone infrared infrared port and send short message!

前段时间刚刚接触VC的串行通讯，在网上找到的了SerialPort类的使用方法，不过我想将这个类做在DLL中，然后在VB中做通讯界面调用。花了几天时间终于做完了，将SerailPort类的DLL工程共享一下，-Some time ago just contact VC serial communication, the Internet found the use of the SerialPort class, but I would like to do this class in the DLL, and then in the VB to do communication interface call. Spent a few days was finally done, and will SerailPort class DLL project to share what,

vc网络视频电话系统,经过测试，稳定性有时会有问题，但通话质量相当好，而且可用于无线网络，欢迎大家测试！-vc network video phone system, tested, stability sometimes, but the call quality is very good, but can be used for wireless network, we welcome testing.

pda,pocket pc 上的基于 .net compact framework serialport 的测试程序 c#编写-pda, pocket pc

64和弦芯片资料-64 chord chip material

Serial communication class for Windows 95/NT

COMSerial串口通信源程序-COMSerial string mouth correspondence source program