1. [TWO SERIAL PORTS] Add two RS232 BD9 serial ports to your desktop computer or industrial equipment through the PCI Express slot.
2. [COMPATIBILITY] PCIE X1 interface suitable for standard size PCs, works in X1, X4, X8, X16 slots. Supports and systems.
3. [FAST DATA TRANSFER] ASIX AX99100 program with 256 byte depth FIFO transfers for quick and efficient data processing.
4. [WIDE APPLICATION] Seamlessly connect POS systems, industrial devices, security systems, scanners, printers, and more.
5. [EASY INSTALLATION] Simply slot the expansion card into your motherboard and start using it immediately.

Specification:
Item Type: 2 Port PCI Express RS 232 DB9 Serial Port Card
Material: PCB
Chip: For ASIX AX99100
Bus Interface: PCIE X1 (Compatible with X1, X4, X8, X16)
Expansion Interface: 2xRS 232

How to Use:
Take out the product and use it

PackageList:
1 x2 Port PCI Express RS 232 DB9 Serial Port Card

Notice:
1. It is important to ensure that the user's PC has an available PCIE slot.
2. Please install the correct driver from the Mini CD of your desktop PC.