About this item?FUNCTIONSThe HDMI extender is composed of a transmitter (TX) and a receiver (RX), and transmits HDMI signals through CAT 5/6 cables. It needs to be used in pairs, and no setup/external power supply is required.?Plug and Play, No Driver RequiredCAT-5e/6 cable can replace HDMI cable to achieve long-distance transmission, using CAT-6 cable the transmission distance can reach 30 meters.?ConvenientThis adapter not only breaks through the limitation of HDMI cable transmission length, the maximum distance is 30 meters, but also provides greater flexibility and convenience in cable construction.?4k HD 1080PSupport 3D 1080P HDMI1.4 resolution--480i/p, 576i/p, 720i/p, 1080i/p, 1920x1200, 4k*2k. (Note: The connection at the output must support 4K to transmit 4K signals)?WIDELY USEDHDMI Extender is 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.