Multitech Quad-band Gprs Modem USB Global. Modem speed: 85.6 Kbit/s, Interface: USB. Asynchronous data rate: 14.4 Kbit/s. Data link protocols: Ethernet, Fast Ethernet, Networking features: 10BaseT/100BaseTX. Operating temperature range (T-T): -20 - 55 °C. Dimensions (WxDxH): 110 x 61 x 24 mm, Weight: 0.119 kg