HDMI-CEC - The shy unsung hero in audio video electronics — Ooberpad
Amazon.com: DTech 100ft Fiber Optic HDMI Cable with 4K 60Hz 1080p HD Video 3D HDCP CEC High Speed Supported (100 Feet, Black) : Electronics
HDMI extender over dual cat.X with bi-directional IR, RS-232, Auto EDID Learning, ARC
Amazon.com: IR Extender Over HDMI Cable, IR Repeater kit IR Receiving Sensor 70 Feet to Remote Control Hidden Devices, 2pcs HDMI CEC Blocker adapters + IR Receiver + IR Emitter : Electronics