This compact USB 2.0 to 10/100 Mbps Ethernet USB Network Adapter offers convenient Ethernet connectivity - simply connect the network adapter to an available USB 2.0 port on your laptop computer then connect the adapter to the Ethernet network. Providing full/half duplex operation on both 10Mbps or 100Mbps Ethernet connections this USB 2.0 Ethernet adapter supports data transfer rates of up to 200Mbps providing a fully integrated cost-effective and reliable solution to notebook users requiring Ethernet connectivity. Small and compact form factor with no external power requirements- perfect for mobile users. A single 10/100 Mbps compatible RJ45 Ethernet port. Network Link/Activity and 10/100 Mbps LED indicators. Fully Compliant with IEEE 802.3 IEEE 802.3u IEEE 802.3x. Full and half duplex support. High Speed USB 2.0 compliant host interface with transfer rates up to 480 Mbps. Powered directly from the USB port. Technical Specifications:. Bus Type: USB 2.0. Color: Black. Connector Type(s): 1 - RJ-45 Female. Connector Type(s): 1 - USB A (4 pin) Male. Enclosure Type: Plastic. LED Indicators: 1 - Speed and Link. Number of Ports: 1. Full Duplex Support: Yes. Maximum Data Transfer Rate: 100 Mbps (Half Duplex)/200 Mbps (Full Duplex). Product Height: 0.89-" (22.5 mm). Product Length: 2.66-" (67.5 mm). Product Width: 1.02-" (26 mm). Chipset ID: MosChip MCS7830. OS Compatibility: Windows 98SE/ME/2000/XP(3-2/64bit)/Server 2003(3-2/64bit)/Vista(3-2/64bit)/7(3-2/64bit)/Server 2008 R2 Linux and Mac OS X. Applications:. Replace a failed Ethernet port in a small form factor or laptop/netbook computer. Add networking capabilities to an old system with no Ethernet port.