brand new and high quality
Features:
The computer host for the PCIe slot can provide 4 standard DB9 pin RS232 serial ports.
The bidirectional speed controlled by the full serial modem of each port is up to 25Mbps.
It supports remote wakeup and power management functions.

Specification:
Model Number: TXB077
Chipset: AX99100
Port Number: 4 Serial Port
Interface: PCI for Express 1x Slot
Material: PCB
Baffle Size: approx.120mm/4.72in
Color: As pictures shown
Quantity: 1 Pc

Note:
Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package Includes:
1 x PCIe Expansion Card