ZyXEL G-4100 v2 802.11g Wireless Hot Spot Gateway. Security algorithms supported: WEP 64/128, WPA/WPA2-PSK. Indoor range: 35-100m, Outdoor range: 100-300m. Dimensions (WxDxH): 212.5 x 138.5 x 52 mm, Weight: 0.508 kg. Power requirements: 100-240 VAC, 50/60 Hz, 0.35 A. Operating temperature range (T-T): 0 - 50 °C, Storage temperature range (T-T): -30 - 60 °C