EXSYS 2S Serial RS-232 ExpressCard. Host interface: ExpressCard, Output interface: RS-232. Width: 111 mm, Depth: 34 mm, Weight: 140 g. Certification: CE, FCC, RoHS. Operating temperature range (T-T): 0 - 55 °C, Operating relative humidity range: 5 - 95 %. Connectivity technology: Wired, Compatible operating systems: Windows 2000/XP/2003/Vista