UNITEK controller PCI Express 2x RS-232

Expand your computer's serial connectivity with the UNITEK PCI Express Controller 2x RS-232. This high-performance controller adds two RS-232 serial ports to your system via a PCI Express x1 slot, ideal for connecting legacy devices such as modems, printers, barcode scanners, and industrial equipment. Built with the reliable WCH CH382L chipset, it ensures stable data transfer at speeds up to 115200 bps.

Advantages

Dual RS-232 ports allow simultaneous connection of two serial devices, saving space and reducing cable clutter. The included low-profile bracket ensures compatibility with both standard and small form factor cases. Plug-and-play installation with full IRQ sharing simplifies setup, while hardware and software flow control guarantee reliable communication.

Suitable for

• Industrial automation and control systems
• Point-of-sale (POS) terminals
• Legacy peripheral connectivity (modems, printers, scanners)
• Embedded systems and testing equipment

Key specifications

• Interface: PCI Express x1
• Serial Ports: 2x RS-232
• Connector: DB9 Male
• Chipset: WCH CH382L
• Max Baud Rate: 115200 bps
• FIFO Buffer: 16-byte transmit and receive
• Data Bits: 5, 6, 7, 8
• Stop Bits: 1, 1.5, 2
• Parity: Even, Odd, None, Mark, Space
• Flow Control: Hardware (RTS/CTS), Software (XON/XOFF)
• Form Factor: Standard profile with low-profile bracket
• Operating Systems: Windows XP/Vista/7/8/10/11, Linux Kernel 2.6.x+, macOS

Recommendations

For optimal performance, ensure your system has an available PCI Express x1 slot. Compatible with most operating systems; driver installation may be required for some Linux distributions.