The 4K60HZ HDMI KVM Extender integrates the latest technology and delivers HDMI video, USB and stereo audio signals up to 20KM by using single mode fiber optics OR RJ45，It is possible to transmit up to 200 meters using a RJ45; if the cable type is Multimode fiber, the transmitting distance is up to 550m. With an easy cable installation supporting various signals, the KVM Extender is ideal for applications where convenient remote access is required – such as transportation control centers, medical facilities, industrial warehouses, and extended workstations