The LINDY HDMI Extender allows high-resolution digital video and multi-channel digital audio to be sent between devices at distances of up to 30m using CAT5e/6 cable. For the highest resolutions, at distances of up to 30m, we recommend you use LINDY shielded CAT6 cables. The extender uses two modules - one transmitter and one receiver. The transmitter connects to an HDMI source by means of a standard HDMI cable. The receiver connects to a display in the same way. Between the two modules, a low cost CAT5e/6 cable is used to transmit the video and audio signals. Additional Requirements RJ-45 patch cable: 2 x CAT5e/6 Cablesorshielded CAT6 Cables HDMI Cables: HDMI Type A Male to Type A Male Package Contents 1 x HDMI Transmitter Unit 1 x HDMI Receiver Unit 1 x Multi Country Power Supply Instruction Leaflet for PSU LINDY Manual