D-Link Ethernet Broadband Router. Networking standards: IEEE 802.3x. Switching protocols: Ethernet, Data link protocols: Ethernet, Fast Ethernet, Management protocols: HTTP. Filtering: IP address, URL, VPN support: PPTP pass-through IPSec pass-through L2TP pass-through. Certification: FCC Class B CE C-Tick UL. Operating temperature range (T-T): 0 - 55 °C, Storage temperature range (T-T): -25 - 55 °C, Operating relative humidity range: 5 - 95 %