USB 2.0 Ethernet Adapter for Windows RT JUE125 Quickly add an 10/100 Ethernet port over USB 2.0 USB 2.0 plug-and-play and backward compatible with USB2.0/1.1 IEEE 802.3, 802.3u and 802.3ab (1BASE-T, 100BASE-TX, and 1000BASE-T) compatible  USB bus-powered Compatible with Windows , Mac OS , Linux OS Driver is not required on Windows 8.1 and Windows 8.1 RT platforms