Extends USB peripheral up to 150ft using regular CAT5/5e/6 RJ45 cable. It is PC/Windows/Vista & Apple/Mac compatible and works with intelligent white boards. This repeater cable has built-in buffer & actively regenerates the signals to preserve data integrity. Includes transmitter and receiver modules. Active repeaters provide maximum flexibility for USB devices and ideal for security and surveillance video, PC digital audio systems and other peripherals with USB interface that are beyond the reach of regular cables. Required Cables: Solid CAT5e/6 Cables. Note: Webcams need a USB 2.0 or better to support its continuous video data feeds. (Connectors: Transmitter with Built-in 1ft USB Cable - USB A Male to RJ45 Female; Receiver - USB A Female to RJ45 Female)