Extend 4 USB 2.0 ports up to 50m using low cost Cat5/5e/6 network cable (not included) Power over Cable requires a single power supply to be connected to the transmitter only Supports USB 2.0 High Speed and USB 1.1 Full Speed / Low Speed Plug & Play installation 2 year warranty This Lindy USB 2.0 Cat.6 Extender can be used to extend the distance between four USB peripheral devices and the host computer by up to 50m. A standard, low cost Cat.5/5e/6 network cable (not included) is used to bridge the connection between the transmitter and the receiver unit. For best performance and compatibility, we recommend the use of solid core patched cables. The Extender features Power over Cable, which requires a single power supply only to be connected to the transmitter unit. This handy feature allows the receiver unit and connected devices to be located more freely as no power supply is required. With robust metal housing and integrated mounting brackets this Extender is the ideal solution for industrial environments.