USB to RS232 serial converter， which makes USB and serial devices easily connect. Serial devices have plug and play， hot-plug functions， which meet Laptop connect to all kinds of serial devices， applies to mini-phones， digital cameras， MODEM， ISDN terminal adapter communication!                                    Features            USB port to the serial portUSB1.1 / 2.0 compatibleBuilt-in 128 byte TX / 512 byte RX bufferSupport automatic handshake protocolSupport full-speed USB data transfer protocolApplication for Car PC with RS232 interface， Industrial equipment， instruments and so on                                                            Specifications            Interface    RS232    <br>Transmission rate    460-800 MB/s    <br>                                                            Package Includes            1 x USB to RS232 serial converter                                                            Extra Info            Compatible with:Win98 / 98se / ME / 2000 / XP / VISTA / Linux / Mac