详细介绍了Modem和PC机之间的通讯原理、方法，以及编程实例

本程序需要调制解调器的支持，否则可能失败，需要调制解调器支持语音传输，本程序在子弹头调制解调器下调试通过，通话时通过麦克风和话筒来进行。-This procedure required the support of a modem, or may fail to support the required voice modem, the program under the debug modem bullet passed through a microphone and call for the microphone.

电话拨号程序，附有简易的拨号键盘，能通过modem通话-Telephone dial-up procedures, accompanied by simple dial-up keyboard, through the modem to call

fpga实现的OFDM和源代码，详细描述了各个部分，有很好的指导作用

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.

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

用MODEM来发短信，包括PDU的算法，较为详细！-Sends the short message with MODEM, includes PDU the algorithm, is more detailed!

使用vb制作的电话拨号程序，信号清晰稳定，测试的时候需要语音猫-Uses the vb develop the telephone dials the number procedure clearly, the signal is stable, test time needs the pronunciation cat

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

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