AVCiT 4K KVM Transmitter-HDMI

https://www.avcit.com/products/4k-kvm-transmitter-hdmi/

4K KVM Transmitter (HDMI) is designed with two standalone channels to transmit UHD Video + Audio + USB-HID + RS232/485 + IR over fiber optic up to 20 km, with original image quality and nearly zero latency. It can be configured as a transmitter of all-in-one Visualized & Distributed Fiber KVM and Video Wall Control System or a KVM Extender or a KVM Matrix.