HDMI to Coaxial RF Converter for Old TV - HDMI in Coax Out Transmitter Box with F Type Male to PLA 9.5mm Coaxial Cable & Remote Control Zoom Function 1080P Input Analog
HDMI ARC Adapter to RCA Audio Converter Digital to Analog Stereo DAC Coaxial Optical ARC Input to Coaxial +Optical +L/R+3.5mm Jack Output for TV: Amazon.com: Industrial & Scientific
HDMI To DVI Coaxial 3.5MM Audio Converter Adaptor Box EU Plug
How To Convert Coax Cable to HDMI
HDMI to Coax Adapter - Send 1080p to a TV via an existing house coax, WolfPack