Hamlet HRDSL300NW. DSL connection type: ADSL. Networking standards: 802.11b, 802.11g, IEEE 802.11n. Data link protocols: Ethernet, Supported network protocols: NAT, RIP-1/2, PAT, DDNS, SNTP, DNS. Security algorithms supported: 64/128 bit WEP, WPA-PSK. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -20 - 70 °C