这个文档详细讲解了在单片机上实现控制GSM模块的格式，对于开发远程通信系统的人员很有用...

librerias iec 870-5-101 con demo

this is a dll file required for simple server client in windows

资源描述STM8lFreeModbus源代码程序 非常详细的内容 并且我移植的很成功，目前已经用在项目上

koxo.cn_ed+Visual+C++开发通讯终端及应用实例代码分析-koxo.cn_ed+ Visual+ C++ development of communication terminals and analysis of application code

SAE J2190 OBD2 Protocol Diagnostic

资源描述一个winform的服务端，和一个winform的客户端，web客户端自己去网上找吧。

CRC的全称为Cyclic Redundancy Check，中文名称为循环冗余校验。它是一类重要的线性分组码，编码和解码方法简单，检错和纠错能力强，在通信领域广泛地用于实现差错控制-CRC called the Cyclic Redundancy Check, the Chinese name of the Cyclic Redundancy Check. It is an important class of linear block codes, encoding and decoding method is simple, and error detection and correction capability in the field of communication widely used to achieve error control

用OPNET仿真tdma协议,物理层通信的全过程,很适合学习-TDMA protocol using OPNET simulation, the physical layer of the whole process of communication, it is suitable for learning

详细介绍了VC下利用WINDOWS API函数来实现与符合HID设备类的USB接口通信，并给出了通信程序的部分源代码-details of VC using Windows API function to achieve compliance with the type of equipment HID USB communications, and communications procedures given the source code

CryptoPhone sources for Windows Mobile