ZyXEL P-870M. Upstream data rate: 100 Mbit/s, Downstream data rate: 100 Mbit/s. Operating temperature range (T-T): 0 - 40 °C, Operating relative humidity range: 20 - 85 %, Storage temperature range (T-T): -20 - 60 °C. Power requirements: 120 V/230 V/240 V, 9 V AC 1000 mA. Dimensions (WxDxH): 189 x 132 x 40 mm, Weight: 0.265 kg