可以自动接收短信，可以发送短信，可以拨打电话（已通过测试）注：短信中心号需要自己去设一下-can automatically receive text messages that can send text messages, phone calls (the test) Note : SMS center, it needs its own to create what

CSharp实现短信的发送，可设置端口号、波特率、短信中心号等进行短信的发送！-CSharp send SMS, you can set the port number, baud rate, SMS center number to send text messages and so on!

DMT调制，就是把整个通信信道在频域上划分很多子信道，在每个子信道上仍然采用QAM或类似的带通信号进行传输。其中QAM的通带中心频率应该与相应的子信道的中心频率一致。-DMT modulation, that is, the entire communication channel in the frequency domain divided on a lot of channel in each channel is still used on QAM or similar bandpass