PCIE To RS232 Dual Serial WCH382 Chip PCI-Express Extender Board Adapter Card2 Port Dual DB9 RS232 Serial PCI Express PCIe Adapter Card Features: Compliant with PCI Express specification Rev. 1. 1 Single lane PCI Express with throughput up to 2. 5Gbps Compatible with industrial standard 16C550 16C552 16C554 and16C750 UART Data transfer rate up to 115Kbps on each port On chip 256 byte depth FIFO in transmit, receive path of each port Support 5 6 7 8 bit serial format, 1 or 2 Stop bit mode Support MODEM signal CTS, DSR, RI, DCD,