多线程 ( Multi

实现了GPRS串口的通信，缩短串口开发时间。-To achieve the GPRS serial communications, serial port to shorten development time.

vc modem通信代码-vc modem communications code

经过测试，在vc++下编译通过，并且包含lib库，有需要的同志可以直接使用-After testing, vc under compile, and includes lib work, it needs direct access to comrades

射频校准很耗时耗力，为简化产线生产麻烦，提高生产效率，可以按附件代码，直接替换基线包对应文件，实现不校准能满足收发功率和灵敏度的要求。

SECS I, SECS II协议通讯源码-SECS I, SECS II agreement communication source code

关于ZIGBEE技术的实用手册，对于需要了解ZIGBEE技术和利用ZIGBEE技术开发的人很有用处-ZIGBEE technology on a practical manual for the need to understand technology and use of ZIGBEE technology development ZIGBEE very useful person

SD卡1.0规范文档，英文版文档，简单实用。-SD Card 1.0 specification document, English version of the document

JTAPI是由Sun公司提出的基于Java语言的应用程序接口。由于JTAPI是基于Java的应用接口，使得JTAPI的对象独立于操作系统和硬件平台，支持跨平台的应用。JTAPI定义了一套类库，包含电话功能和扩充功能。JTAPI结合了传统的电话服务和Web处理能力，具有较强的功能。但是，基于Java的特性，使得JTAPI在拥有强大功能的同时，也失去了普及和推广的基础。-JTAPI by Sun"s Java language on the application program interface. As JTAPI is a Java-based application interface, JTAPI makes the object independent of operating systems and hardware platforms to support cross-platform applications. JTAPI definition of a set of class libraries, including telephone functions and expansion capabilities. JTAPI combination of traditional telephone services and Web processing capability, and a strong function. However, based on Java, which makes JTAPI the powerful functions, lost popularize and promote the foundation.

GPRS中的隧道技术详细讲解，对于PS域中的GPRS，GTP-C,GTP-U很有参考价值-GPRS Tunneling technology elaborate PS domain for the GPRS, GTP-C, GTP-U is the reference value

Omnet++的基本网络。这是一个无线网络的代码。该网络可以作为进行其他网络模拟的模板。