Features: Compliant with PCI Express Base Version 1.0a / VI specification, the highest data transfer speed can reach 115200bps. PCI-Express rate 2.5G/S full duplex channel. Compatible with standard 16c550 UART and 16-byte transmit and receive FIFO, 2 serial port transfer rate up to 1M byte/s. 2 DB9 serial port, built-in 256-byte FIFO buffer, support odd, even, invalid check, blank 0. Mark 1 equivalent check mode. Support 5, 6, 7 or 8 data bits and 1 or 2 stop bits. Support full-duplex and half-duplex serial port communication. Specifications: Material: PCB Size: Approx. 12*8*1.8cm/4.72*3.15*0.71inch Chip solution: WCH382L Bus Type: PCI-Express XI Media Interface: Equipped with 2 standard RS-232 serial port Transmission rate: Each serial communication rate can reach 921.6Kbps Driver support: For Windows 98SE/ME/2000/XP/Win 7/Win 8/Win 10 32&64bit DOS, for Linux, for Mac Application fields: Widely used in banking, securities, supermarkets and other financial industry special equipment, i-day demodulators, printers, scanners, cash registers, bar code readers, keyboards, digital displays, electronic scales, data acquisition devices and PC compatible systems Series equipment Package list: 1 x PCI-E To Serial Card 1 x Drive CD 2 x Short iron piece 1、Compliant with PCI Express Base Version 1.0a / VI specification, the highest data transfer speed can reach 115200bps. 2、PCI-Express rate 2.5G/S full duplex channel. 3、Compatible with standard 16c550 UART and 16-byte transmit and receive FIFO, 2 serial port transfer rate up to 1M byte/s. 4、2 DB9 serial port, built-in 256-byte FIFO buffer, support odd, even, invalid check, blank 0. Mark 1 equivalent check mode. 5、Support 5, 6, 7 or 8 data bits and 1 or 2 stop bits.