The XTENDEX® VGA USB KVM Extender via Fiber Optic Cable provides remote KVM (USB keyboard, USB mouse and VGA monitors) access to a USB computer up to 12.4 miles (20 kilometers) away from a computer using a single LC singlemode fiber optic strand and 1,640 feet (500 meters) using multimode fiber optic cable. Each extender consists of a transmitter that connects to a computer and also supplies video to a local monitor, and a receiver that connects to two VGA monitors, USB keyboard, USB mouse, 3.5mm stereo audio speakers and microphone, and RS232.