RJ45 to HDMI 1.4 Extender Over Single 60m Ethernet LAN RJ45 CAT5E CAT6 For HDTV 1080P With 3D;no need extral power. This kind of HDMI extender by CAT-5e/6 used single patch cable to extend the HDTV displays up to 30 meters fo 1080p.;it not only breaks the limitation of the HDMI cable transmission length. It is designed to convert HDMI signal to standard TCP/IP and transmit by internet cable or Lan.;With the advantage of TCP/IP standard, it can transmit HDMI signal source from HD STB,DVD,PS3,HDMI display card etc to HD projector, DLP,LCD,LED and other audio visual equipments.