Comm Operator is a powerful debug tool for RS232 related works. Comm Operator can simulate the rs232 device, such as GPS receiver, total station, and software related. It can act as a device as well as program. Working with it, device can be developed without program. Application can be debugged and tested without real device.It's very convenient to use it.Comm Operator can log the data to and from COM port. After setting, it can send data to port automatically with just a few simple mouse clicks.