Dialogic Diva UM-Analog-4. Connectivity technology: Wired, Host interface: PCI, Interface: Ethernet. Safety: ICES-003 Class B, CSA 60950-1, EN60950-1, EN55022, EN55024, FCC Part 15 Class B, UL60950-1. Compatibility: PC. Operating temperature range (T-T): 10 - 50 °C, Storage temperature range (T-T): 0 - 70 °C. Compatible operating systems: Winows XP Linux