Trust USB ADSL Modem MD-3100. Modem speed: 8192 Kbit/s, Interface: USB, Modem type: ADSL. Upstream data rate: 1 Mbit/s, Downstream data rate: 8 Mbit/s. Minimum system requirements: CD-ROM, free USB., Minimum processor: Intel Pentium II 233 MHz MMX. Dimensions (WxDxH): 71 x 107 x 29 mm