Sunix SER5437A. Host interface: PCIe, Output interface: RS-232. Width: 87 mm, Depth: 77 mm. Certification: EN, FCC, CNS, RoHS. Operating temperature range (T-T): 0 - 60 °C, Storage temperature range (T-T): -20 - 85 °C, Operating relative humidity range: 5 - 95 %. Platform: PC, Compatible operating systems: Windows XP/Vista/7, Server 2000/2003/2008 Linux 2.4.x / 2.6.x DOS