This product extends HDMI signal between Transmitter and Receiver over CATx cable. It supports 4K 30Hz up to 50m or 1080p 60Hz video signals up to 80m including embedded multi-channel audio and HDCP 1.4. Built-in EDID make this product compatible with most display and source device, to ensure HDMI transmission. Advanced power design (PoC) allows this product to be powered at Transmitter, and only one power supply is required. In addition, it can send/receive IR signals each other over the same CATx cable with IR pass through.