非常好的串口控件，OCX的，可支持到波特率921600，串口好到256，对于做手机及USB的通信将是非常好的工具！OCX源码，可改成你的控件名称啊-very good controls, OCX, offering support to 921,600 baud rate, good to 256 serial port, so the phone and USB communication will be a very good to