SIIG USB 2.0 Gigabit Ethernet (JU-NE0111-S1) Quickly adds a Gigabit 10/100/100 Mb/s Ethernet port to your USB (USB 2.0 recommended) enabled system USB bus-powered Compliant with USB Specification, Revision 2.0 Equipped with diagnostic LEDs Supports USB full and high speed modes Supports 10/100/1000 Mbps auto-sensing capability Supports full-duplex and half-duplex operation Compatible with IEEE 802.3, 802.3u and 802.3ab