wireless network message sending

推算星期,万年历,输入日期推算出星期,日程提醒-projections weeks, calendar, the projected date of the importation of weeks, reminded agenda

WinMobile下的gprs测试代码，很适合入门学习。-WinMobile under gprs test code

SST OPC CLIENT源码，学习OPC 客户端开发很好的例子-SST OPC Client source code, learning OPC Client good example

Serial Communication 3800/39-Serial Communication 3800/3900

Building Android for a new Mobile Device

用UDP实现数据接收的程序，UDP实现面向非连接，在通讯中接收实时数据.-with UDP data receiving program, UDP-oriented non-connected, the communication to receive real-time data.

用C＋＋语言开发一个网络视频会议客户端源代码，来源不祥-C++ language to develop a video conferencing network client source code, source unknown

移动通信基本知识:从通信网的角度看，移动网可以看成是有线通信网的延伸，它由无线和有线两部分组成。无线部分提供用户终端的接入，利用有限的频率资源在空中可靠地传送话音和数据；有线部分完成网络功能，包括交换、用户管理、漫游、鉴权等，构成公众陆地移动通信网PLMN。从陆地移动通信的具体实现形式来分主要有模拟移动通信和数字移动通信这两部种。-Basic knowledge of mobile communications: From the perspective of communication networks, mobile networks can be seen as an extension of wired communication network, which is both wireless and wired components. Part of user terminals to provide wireless access, frequency of use of limited resources in the air and reliable transmission of voice and data wired part of the completion of network functions, including switching, subscriber management, roaming, authentication and so on, constitute a public land mobile communication network PLMN. From land-based mobile communications to the specific forms of the main points have analog and digital mobile communications that two kinds of mobile communication.

基于SIP的H.264视频电话终端设计介绍性文档。-SIP-based H.264 video telephony terminal design introductory document.

电话防伪伺服系统-telephone security servo system