MiniPCIe RS232 4 PORTS 4 COM ports board - MOSCHIP MCS9904

CHIPSET MOSCHIP MCS9904 4-PORT MiniPCIe COM (RS232) card Use:
Mounts on laptop mini PCI EXPRESS port (52-pin)
Compatibility:
Drivers for Windows 8, Windows 7 / Vista / XP / Server 2003-2008 32/64-bit, Linux Kernel 2.6x or higher
Specifications:
PCIe 1.1
Single lane PCIe, bandwidth 2.5Gbps
Compatible MiniPCIe "full" or "Mini"
Compatible with "PCI-E Mini Card Electromechanical specification revision 1.2"
CHIPSET MOSCHIP MCS9904
INTERFACE RS232:
2 COM RS232 ports
Standard 16C450/16C550 UART
FIFO 256 bits
Maximum transfer per port 230.4Kbps
Voltage setting on DB9 plugs by jumper on board: 5V, 12V or RI signal
Compatible with formats 5-, 6-, 7- and 8-
Compatible with "Even", "Odd", "None", "Space", "Mark" parities.
Compatible with 1 or 2 "Stop Bit"
Board supplied with 2 extension brackets each supporting 2 COM ports (male DB9 plugs). In the main photo, you can't see the brackets, only the DB9 plugs, but they are included.
Brand new, guaranteed for 1 year, sold in an antistatic bag.