Description:The USB2004EXT2 4-Port USB over Cat5 Extender lets you extend USB 2.0 connections over distances up to 100-meters (330-feet) over standard Cat5 or Cat6 UTP cabling. Backward compatible with USB 1.x devices, the extender allows up to 4 of almost any kind of USB device to be placed at remote locations away from the host computer system. With data transfer rates up to 480 Mbps and 500 mA of power per port (with the use of an external power adapter at the remote end), the USB extender makes for a fast, easy-to-setup and versatile USB extension solution, with a sleek metal enclosure that ensures durability in all types of operating environments. 4 Port USB 2.0 Extender over Cat5 or Cat6 Up to 330 ft (100m) . Backed by a Startech.com 2-year warranty and free lifetime technical support. Connectivity Technology - Wired Data Link Protocol - USB Data Transfer Rate - 480 Mbps Depth - 3.94 Inch Device Type - USB Extender Form Factor - External Height - 1.02 Inch Interfaces - USB Max Transfer Distance - 328.08 feet Service Support Type - 2 Year Warranty UNSPSC Categories: - Power Generation and Distribution Machinery and Accessories / Electrical wire and cable and harness / Electrical cable and accessories / Inter connect cable (26121620) UNSPSC Code - 26121620 Width - 2.99 Inch Specifications Warranty : 1 Year AV Cabling: Cat 5 UTP Color: Black Enclosure Type : Aluminum and Plastic Local Unit Connectors : 1 - USB A Male Max Distance : 100 m / 330 ft Maximum Data Transfer Rate : 480 Mbps Number of Ports: 4 Product Height : 26 Product Length : 100 Product Weight : 2.09 lb Product Width: 76 Remote Unit Connectors : 2 - USB A Female Power Adapter Included : Yes Input Voltage: 110 - 240 AC Output Voltage: 5 DC Output Current : 3000mA Center Tip Polarity: Positive Plug Type: M OS Compatibility : Windows 2000/ XP(32/64bit)/ Server 2003(32/64bit)/ Vista(32/64bit)/ 7(32/64bit)/ Server 2008 R2, Windows CE 6.0, and Mac OS X, and Linux