Features
Supports up to 8 RS232 Serial ports
On chip 256 byte FIFOs in transmit and receive path of each serial port
Available WHQL software drivers for Windows operating systems
Operating temperature range:-40℃ to 85℃

Specification
General
Compliant with PCI-Experss Specification 2.0 and backward compatible with PCI-Express 1.1
Single-Lane (x1) PCI-Express with throughput up to 2.5Gbps
Supports Re-map function for legacy ports
Dimensions: 100mm (L) x 120.0mm (W) x 21.5mm (T) (approx.)

Supports:Windows 8.1, Windows 7 / Vista / XP / 2000 / Server 2003-2008 32/64-bit, Linux & Mac OS/X 10.5 operating system

Package Contents
PCI-Express I/O card x 1
RS232 8-ports Serial x 1
User manual x 1 
Software Driver CD x 1