The XTENDEX® 4K 18Gbps HDMI USB KVM Extender via Fiber provides remote KVM (USB keyboard, USB mouse and 4Kx2K UHD HDMI monitor) access to a USB computer up to 6,561 feet (2000 meters) away via a duplex singlemode LC fiber optic cable. Each KVM extender consists of a local unit that connects to an Ultra-HD 4Kx2K 60Hz 4:4:4 computer, and a remote unit that connects to a keyboard, monitor and mouse.