ZyXEL P-662HW-D3 ADSL2+ 4-port Security Gateway. DSL connection type: ADSL, DSL specification: G.992.1 Annex B. Networking standards: IEEE 802.11g/802.11g+. Operating temperature range (T-T): 0 - 50 °C, Operating relative humidity range: 20 - 95 %. Weight: 360 g. Management platform: Web-based, Maximum data transfer rate: 0.1 Gbit/s, Dimensions (WxDxH): 180 x 128 x 36 mm