4Kx2K 3D HD CEC Adapter Converter SPDIF for TV Projector | eBay
Adding HDMI-CEC between Projector and Receiver - Devices & Integrations - SmartThings Community
BlueRigger 4K HDMI CEC Less Adapter (UHD, ARC,1080p, Ethernet, Male to Female CEC Blocker) -Compatible with HDTV, TV Stick, Chromecast, Nintendo Switch, Xbox, PS5, Laptop, PC, Game Console, Soundbar : Amazon.ca: Electronics