Brainboxes ES-842. Cabling technology: 10/100Base-T(X). Input voltage: 5 - 30 V. Supported network protocols: ICMP, IP, TCP, UDP, DHCP, BOOTP, Telnet, HTTP, RFC2217. Server operating systems supported: Windows Server 2008, Windows Server 2008 x64. Weight: 30.7 oz (870 g), Dimensions (WxDxH): 8.46 x 4.82 x 2.2" (215 x 122.5 x 56 mm)