EXSYS EX-41251 Low Profile 1S Universal PCI Serial RS-232 card. Host interface: PCIe, Output interface: RS-232. Width: 125 mm, Depth: 30 mm, Weight: 150 g. Operating temperature range (T-T): 0 - 55 °C, Operating relative humidity range: 5 - 95 %. Connectivity technology: Wired