Extends USB peripheral up to 165ft using regular CAT5/5e/6 RJ45 cable and is PC/Windows & Apple/Mac compatible. This repeater cable 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. All runs over 50ft must use solid core cables. (Connectors: Transmitter with Built-in 11 Inches USB Cable - USB A Male to RJ45 Female; Receiver with Built-in 11 Inches USB Cable - USB A Female to RJ45 Female)