Brother, I have what you need:
https://www.amazon.com/HDMI-Converter-Modulator-Old-Transmitter/dp/B07W58PNPP?&language=en_US
Its hdmi to coax, and hdmi to rf.
Edit: i misread and was thinking of TVs. Maybe this could help someone idk
Brother, I have what you need:
https://www.amazon.com/HDMI-Converter-Modulator-Old-Transmitter/dp/B07W58PNPP?&language=en_US
Its hdmi to coax, and hdmi to rf.
Edit: i misread and was thinking of TVs. Maybe this could help someone idk