Linksys Wireless-G ADSL Gateway, 2 Phone Ports, Annex B. Security algorithms supported: WEP 64, 128, VPN support: VPN Passthrough IPSec, PPTP, and L2TP. Cabling technology: CAT 5 UTP, RJ11. Dimensions (WxDxH): 170 x 170 x 31 mm, Weight: 41 g. Power requirements: 12VDC 1.25A. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -20 - 70 °C, Operating relative humidity range: 10 - 85 %