HDMI to RJ45 Adapter: Our HDMI extender is composed of a transmitter (TX) and a receiver (RX), transmits HDMI signals through CAT 5/6 cables. It can substitute HDMI cable to achieve long distance transmission. (Note: It needs to be used in pairs)- 4k HD 1080P: Our HDMI to RJ45 ethernet network converter support 3D 1080P HDMI1.4 resolution, support high speed signal transmission, support resolution: 480i/p, 576i/p, 720p, 1080i/p, 1920x1200,4k*2k.DOES NOT Support HDCP.)- Transmission: The hdmi to rj45 ethernet adapter can extend HDMI video and audio signals simultaneously up to 30 meters/98ft by the CAT-5e/6 cables, provides greater flexibility and convenience in your life and work.- Widely Compatible: HDMI to RJ45 Extender Adapter Support CAT-5e/6 cable, works for HDTV, Set-top Boxes, DVD, PS4, STB, HOME, Hotel Projector Data Monitoring Center, Large Conference Center.- Plug & Play: No power supply and drives needed, without setting. Support CAT-5e/6 cable, stable connection and achieve long-distance transmission.