The program procedures for QPSK demodulation, symbol rate of 2M, the sampling ra...

gsm模块AT指令代码-gsm AT command module code

用API函数自动实现拨号上网的程序-with API function automatically dial-up procedures

通过GSM模块发送接收短消息的程序，可发送免提信息-GSM module send and receive text messages, may send a hands-free information

VB的MODEM通信源代码，包括MODEM初始化，自动检测电脑串口数量，MODEM参数设置等-VB source code for the MODEM communications, including MODEM initialization, the computer automatically detects the serial number, MODEM parameter setting, etc.

gprs modem 的faq，方便新手了解这方面的知识。-gprs modem" s faq, facilitate the novice to understand this knowledge.

This documentation of 288LCD modem-This is documentation of 288LCD modem

CMX868 MODEM 远程通信源码 推荐您参考-CMX868 MODEM remote communication source recommend that you refer to

面向通信控制器硬件的通信程序设计：基于PC标准通信口的通信程序设计，基于MODEM的通信程序设计，基于网络适配器的通信程序设计。 网络通信系统的应用实验 -Communication controller hardware-oriented communications program design: Based on standard PC communications port communication program design, based on the MODEM communications programming, network adapter based on the design of communication procedures. Network Communication System Experiment

TC35I_MC35I_AT命令帮助文档，很不难得的好资料-TC35I_MC35I_AT order to help document, very rare good information

zmodemclass的经典源码，原来旧的代码，有很多问题，比如文件名读取错误等，都已经被我修复。-zmodemclass classic source, the original old code has a lot of problems, such as the file name read error and so on, I have been repaired.