The U224-1R4-R is a kit that includes a 3-port USB 2.0 local transmitter unit and a 1-Port USB 1.1 remote receiver unit. Connect up to 3 USB 2.0 devices to the local transmitter, while extending an additional USB 1.1 peripheral up to 150 ft. from your computer. Simply plug the transmitter into the USB port on computer, connect USB peripherals and run Cat5e/Cat6 cable up to 150 ft. to the remote receiver unit and connected device. Plug-and-play; no software or drivers required. Compliant with the Federal Trade Agreements Act (TAA) for GSA Schedule purchases.