US-101 Converter USB to Serial RS232. USB to Serial adapter provides one RS232 serial port. Data transfer rates up to 921,600, 128 byte deep transmit and 256 byte receive FIFOS, coupled with 1Mbit line drivers, deliver uncompromising performance on your laptop/PC. 1 Port RS232 Data rate from 300 to 921,600 baud Drivers for all popular operating systems including windows 10 Works where many other USB to serial devices do not Includes 25cm USB extender cable Lifetime warranty and support