1. Full Duplex Channel: 2.5Gbps PCIE bus supporting full duplex channel. Compatible with Single Lane (x1) PCIExpress Specification Revision 1.0a. 2. Interface Slots: PCI Express x1 interface (also for PCIE x1, x4, x8, x16 slots). Two 9-pin RS 232 serial ports. 3. Support System: PCIE serial card supports operating systems for Windows10, for Win8, for Win7, for Vista, for XP, for Win 2000, for Linux, for DOS, for Windows Server 2003. 4. AX99100 Chip: Allows you to easily connect more serial devices to your computer. Stable and reliable AX99100 chipset with signal boosting chip. Supports remote wake-up and power management functions. 5. Application Areas: Serially connected equipment, serial network/monitoring equipment, data acquisition systems POS terminals and industrial computers, I/O expansion of embedded systems. Item Type: PCIE Serial Card Material: PCB Chipset: AX99100 Port Number: 2xRS232 Serial Port Interface: PCI Express 1X Slot Applicable to: PCIE x1, x4, x8, x16 Slots Supported Operating Systems: For Windows10, for Win8, for Win7, for Vista, for XP, for Win 2000, for Linux, for DOS, for Windows Server 2003 Frame Length: Approx. 120mm / 4.7in Operating Temperature Range: Minus40 to 85℃