Welcome to our website， we are glad to give you a recommendation of this USB 2.0 to 9 PIN RS232 COM Port Serial Convert Adapter. It supports the RS 232 serial interface， over 1 Mbps data transfer rate and remote wakeup and power management. It is available for USB port. In addition， it has the characteristics of durability， easy to use and excellent quality. When it comes to price， it is reasonable. I am sure that it will be good choice for you. Come to order it now!                                    Features            Conforms to USB 1.1 standardSupports RS232 serial interfaceCan be used for PDA and modemsSupports RS232 serial interface db9Supports over 1mbps data transfer rataAvailable for USB portNote: Not compatible with Vista and windows 7                                                            Specifications            Dimensions    (6.5 x 3.5 x 1.6) cm / (2.56 x 1.38 x 0.63) " (L x W x H)    <br>Color    Black    <br>Weight    41 g / 1.45 oz    <br>Support System    Windows 98 / 2000 / XP    <br>                                                            Package Includes            1 x USB to RS232 Serial Cable1 x USB RS232 Com Port Convert Adapter                                                            Extra Info            Drive 1：http://www.upzone.com/downloads/summary/5-drivers/15-usb-20-to-9pin-rs232-com-port-serial-convert-adapter-driverc0012gr.html<br>Drive 2：http://www.yall.net/Downloads/PC-Software/USB-2.0-TO-9PIN-RS232-COM-PORT-SERIAL-CONVERT-DRIVER.html