Cisco VG30D Voice Gateway. Cabling technology: 10/100 BASE-T. Dimensions (WxDxH): 439 x 260 x 44.45 mm, Weight: 4 kg. Power requirements: 100 - 230 VAC; 50 - 60 Hz, Power consumption (typical): 10 W. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -10 - 60 °C, Operating relative humidity range: 5 - 90 %