Fiber

4K 18Gbps HDMI Extender via One LC Singlemode or Multimode Fiber Optic Cable Extend an Ultra-HD 4Kx2K 60Hz 4:4:4 HDMI display up to 3,280 feet (1,000 meters) Request for Price
4K 10.2 Gbps HDMI Extender via One LC Singlemode or Multimode Fiber Optic Cable Extend an Ultra-HD 4Kx2K 30Hz 4:4:4 HMDI display up to 6,561 feet (2,000 meters) Request for Price