Active Optical (AOC) High speed HDMI cable with Ethernet "AOC Premium Series", 20 m - HDMI Active Optical Cable (AOC) uses fiber optic technology to transport the digital HDMI signal. This means that the signal can be carried much further than with a traditional copper cable (up to 100 m), and reduces the risk of EMI/RFI interference. HDMI AOC cables also have dedicated copper power wires inside, so no external power supply is required. - HDMI AOC cable uses fiber optic technology - reduces the risk of EMI/RFI in high interference environments - Durable extra thin premium quality braided cable with stylish metal connectors - Smaller cable diameter compared to traditional copper HDMI cables - Supports 4K UHD resolutions at 60Hz