D-Link ADSL2/+ Modem. Modem speed: 24000 Kbit/s, Interface: RJ-45 / RJ-11, Modem type: ADSL. Data link protocols: ADSL2+ / G.dmt. Operating temperature range (T-T): 0 - 40 °C, Operating relative humidity range: 5 - 95 %, Storage temperature range (T-T): 20 - 70 °C. Dimensions (WxDxH): 142 x 108 x 31 mm