SIIG's CyberSerial ExpressCard is a smart solution designed to instantly add one additional 9-pin (RS232) serial port to your ExpressCard-enabled desktop or notebook computer. It comes with a high-speed 16950 UART DB9 serial port delivering data transfer rates of up to 920 Kb/s, and features built-in 128-byte FIFO buffers to dramatically increase data transmit/receive speed especially under Windows multitasking environment. The CyberSerial ExpressCard can be installed in any ExpressCard slot and works flawlessly with high-speed modems, monitoring equipment, serial networking and other serial devices. The CyberSerial ExpressCard is FCC Class B (DoC) & CE regulatory approved and RoHS-compliant. It is fully compatible with a wide variety of Windows operating systems and is backed by SIIG's limited lifetime warranty.