HDMI to RJ45 Extender Full HD 1080 Support HDMI 2.0 (4000, 2000) Introduction This kind of HDMI Extender by CAT - 5e/ 6 uses single piece CAT - 5e/ 6 cable to extend the HDTV display up to 30 meters for 1080p. It not only breaks the limitation of the HDMI cable transmission Length, but also CAT - 5e/ 6 has more flexibility and convenience in cable construction. Connection and Operation 1. Plug the fixed HDMI connector