LENKING HDMI2.0 Over Fiber Optic Extender up to 40km, over 10GB LENKING HDMI2.0 Over Fiber Optic Extender up to 40km, over 10GB Ethernet. Uncompressed and Zero Delay Transmission. Supports HDR10, ARC Back to TX. Two way IR Control. Supports RX S/PDIF Audio Seperation