Features:Comply with PCI Express basic version 1.0 a/11 specification.PCI-Express rate: 25G/s full duplex channel.Compatible with standard 16c550 UART and 16 bytes send and receive FIFO, 2 serial port transmission rate up to 1 Myte/sec.Transmission rate: maximum transmission speed up to 115200bps.2pcs DB9 serial port, built-in 256 bytes of FIFO buffer.Support 5,6,7 or 8 bits of data and 1 or 2 stop bits.Support odd, me.No result, no blank. Equivalent Validation Method of Mark 1.Support full duplex and half duplex serial communication.The driver supports for Windows 98SE/ ME/2000/ XP/ Vista/ Win 7/ win 8/ Win 1032 & 64bi DOs, Linux, Mac.Applications: widely used in banking, securities, supermarkets and other financial industry special equipment, such as modems, printers, scanners, cash registers, bar code readers, keyboards, digital display, electronic scales, data acquisition equipment and PC compatible systems and other series of equipment.Specification:Condition: 100% Brand NewItem Type: Network Server AdapterMaterial: PCBChip Scheme: WCH382LHost Interface: PCI-Express XIPort: 2 Standard RS232 Serial PortTransmission Rate: Each Serial Communication Rate up to 9216KbpsWeight: Approx. 116gPacking List:1 * 2 Port RS-232 Serial Port PCI-E Card1 * Drive CD1 * Baffle.Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.