在Visual c++下可对串口和MODEM进行操作,并能用ZOMDEM协议进行收发文件的程序－C语言-In the Visual c++ Can be carried out on the serial port and MODEM operation and can be used to send and receive documents ZOMDEM agreement procedure-C Language

In OFDM transmission, all the available subcarriers from the DFT is not used for data transmission. Typically some subcarriers at the edge are left unused to ensure spectrum roll off. For the example scenario, out of the available bandwidth from -10M

本程序通过TC35模块，可以进行短信群发，主要亮点是带有短信回执判断，用于大型企业管理。(Through TC35 module, the program can send out the text message group, the main bright spot is the text message echo judgment, for large enterprise management.)