SEH ThinPrint Gateway TPG120. Authentication method: 802.1X. Dimensions (WxDxH): 81 x 99 x 31 mm, Weight: 0.1 kg. Power requirements: External. Relative humidity: 20 - 80 %. Compatible operating systems: - Windows (Vista, XP, 2000, ME, 98, 95, Server 2003, NT 4.x, 3.x) - Linux (RPM based installation)