- Ethernet adapter is for 10/100 Mbps RJ45 LAN port connection<br>- Complies with USB 2.0 (Data Rate 1.5/12/480 Mbps) and USB 1.1 specifications<br>- Compatible with IEEE 802.3 (10Base-T) and 802.3u (100Base-TX) standards<br>- One (1) upstream and three (3) downstream USB ports<br>- Connects up to 127 USB Devices<br>- Over-current protection<br>- Plug-and-Play installation<br>- Supports both full-duplex and half-duplex operations<br>- Powered by USB port. No external power adapter required. Self-powered via an adapter is optional. (adapter not included)<br>- Compatible with Microsoft Windows 2000, 2003, XP, Vista, and Mac OS 10.3 , 10.4, 10.5 or above<br><br><br><a href="http://www.edimax.com/en/produce_detail.php?pl1_id=5&pl2_id=26&pl3_id=58&pd_id=296/" target="_blank">Visit Edimax Website</a>