Digi AccelePort Xr Universal PCI (3.3V & 5V) 8-Port RS-422 w/DB-9F Cable. Host interface: PCI. Data transfer rate: 0.22 Mbit/s. Width: 12.7 mm, Depth: 174.6 mm, Height: 106.7 mm. Certification: - FCC Part 15, Class B - ICES 003 Class B - EN55022, Class B - EN50082-2 - VCCI Class B - EN60950. Operating temperature range (T-T): 10 - 55 °C, Storage temperature range (T-T): -25 - 85 °C, Operating relative humidity range: 5 - 90 %