Linksys WRT54G3GV2-ST. Cabling technology: CAT 5. DSL connection type: ADSL. Networking standards: 802.3, 802.3u, 802.11g, 802.11b. Antenna gain level (max): 3.3 dBi. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -20 - 60 °C, Operating relative humidity range: 10 - 85 %