Hamlet HNWK300N. DSL connection type: ADSL. Networking standards: IEEE 802.11b/g/n. Data link protocols: Ethernet, Supported network protocols: NAT, RIP-1/2, PAT, DDNS, SNTP, DNS. Input current: 1 A. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -20 - 70 °C