CARD, UNIVERSAL, PCI, RS232, 2PORT; Interface Type:PCI / RS-232; Connector Type:2x 9 way D male; Line / Bus Driver / Receiver / Transceiver Type:B16PCI158 UART; Max Data Rate:115200bps; No. of Ports:2; Operating System Software: Win 9x/ME/2000/NT4/XP/Server 2003 /Linux and Windows 64 bit