The HDMI over single CAT5e/6/7 Transmitter and Receiver set is a great solution to extend uncompressed audio/video and IP data over a single run of CAT5e/6/7 cable at a distance up to 60 meter. Multi-control interfaces are available which includes IR, RS-232 and USB connection. This new extender set complies with advanced protocols of HDCP 2.2 and HDMI 2.0, the HDCP 1.4 also supported. The 6G HDMI video is able to be processed. Except extend 4K2K data, it features useful audio functions. The “optical audio return” supports audio transmit back from Receiver to Transmitter. Besides, the “audio insertion” allows external audio insert to HDMI video such as background music insertion. The HDBaseT clock stretch and TMDS reclocking are considered. The Receiver (PD) can be powered by the PoH 48 V function of the Transmitter (PSE), allowing for greater flexibility to fit different installation scenarios.