移动电话频率选择开关，对于手机信号接收与发射有很重要的作用...

c51连接pci rt8139网卡的电路原理图。-pci rt8139 decoder card connected to the circuit diagram.

SMTP客户端程序，在VS 2008上编译通过，实现简单的发送邮件的功能-SMTP客户端程序

一个远程桌面协议的例子-An example of Remote Desktop Protocol

蓝牙bluetooth spi 下载线电路图原理图-Bluetooth bluetooth spi schematic circuit diagram download cable

wapi standard spec 2003 part 1.

ARM控制TC35在掉电模式下通讯的源码-ARM Control in Power-down mode, TC35 communication source

这是我收集的几个通信基础理论的Matlab仿真实现，包括bpsk、qpsk、ofdm以及信号衰减和延迟的仿真。尽管不是我本人原创，但比较都经典。文件为*.m格式-This is my collection of several communications infrastructure theory Matlab Simulation, including BPSK, QPSK, and the OFDM signal attenuation and delay in the simulation. Although it was not my original, but more are classics. M*. document format

提供串行口存取的 Object Pascal 类 ( 1.2 版，附源码 )，作者 : Maarten Bekers。 -Serial port to provide access to the Object Pascal category (1.2 version, with source code), the author: Maarten Bekers.

IEC61970数据集成规约扩展与应用。 IEC61970-IEC61970

文件分区表格式，适合于嵌入式实现的文件分区表-Document partition table format, suitable for the realization of a document embedded partition table