Linksys Annex B ADSL2 Gateway with 4-Port Switch, DSL, 395 g, 186 x 154 x 48 mm, 0 - 40 °C, -20 - 70 °C, 10 - 85% Linksys Annex B ADSL2 Gateway with 4-Port Switch. LED indicators: DSL. Weight: 395 g, Dimensions (WxDxH): 186 x 154 x 48 mm. Minimum RAM: 64 MB