Feature:1. Chip: Adopt WCH382 new chip, good compatibility, RS232 serial port interface.2. High Speed: PCIExpress rate 2.5Gb/s, full duplex channel, support plug and play.3. Support: Support MODEM modem signal for CTS, for DSR, RI, DCD, DTR, RTS, RS232 level conversion.4. Easy to Use: It can meet the needs of a parallel device and a serial device at the same time, which is convenient and easy to use.5. Compatible System: For Windows98/98SE/ME/2000/xp/server 2003/xp 64bit/Vista/win7/2008, for Linux, for OS.Specification:Item Type: Pcie Expansion CardMaterial: PCBChip: WCH382LInterface: RS232 Serial PortCompatible System: for Windows98/98SE/ME/2000/xp/server 2003/xp 64bit/Vista/win7/2008, for Linux, for OS.Package List:1 x Expansion Card1 x Driver CD