Extend the range of your High Speed HDMI signal and keep the wiring hidden safely within your walls using this HDMI Wall Plate Extender! The HDMI Wall Plate Extenders use Cat5e or Cat6 network cables to transmit the HDMI audiovideo signal over distances greater than the 25 foot maximum certified for High Speed signals using HDMI cables alone. To use them you need to run two Cat5e/6 cables through the walls. Note that these must be CL2 rated for inwall use and must be wired to the EIA/TIA568B standard. Next you plug the ends of each cable into the backs of the wall plates. Make sure that the wall plate labeled "HDMI IN" is at the source side and the one labeled "HDMI OUT" is at the destination end. Once the cables are inserted into the wall plates; screw in the cable bridges to make sure they do not disconnect or come loose. Tip: The Cat5e/6 cables need to be plugged into the appropriate jack on the back of the wallplate; labeled 1 and 2. To make it easier to identify which cable is which; it is recommended that you use different colored cables. So; for example; the Red cable would be Cable 1 and the Green cable would be Cable 2. Now; install the Wall Plates into a singlegang; low voltage mounting bracket not included in the wall and install the faceplates. Your extender is now ready for use! Simply plug the output of your source device e.g.; AV Receiver; BluRay player; etc. into the HDMI IN jack and plug the TV in your remote room into the HDMI OUT jack. Under most circumstances the system will draw all necessary power from the HDMI cable itself. If you have signal reliability issues; you may need to plug a 5 VDC AC adapter into one or both of the wall plates to provide necessary power. Alternatively; you can hardwire a 5 VDC AC adapter into the back of the remote wall plate labeled HDMI OUT ; with the positive wire connected to the + and the negative wire connected to the connection. Note: Monoprice strongly recommends the use of minimum 24 AWG HDMI cab