You know some old computers actually did have an RF transmitter, but for audio not video. My Atari STFM had one, but to this day I still can't find any document

You know some old computers actually did have an RF transmitter, but for audio not video. My Atari STFM had one, but to this day I still can't find any documentation on that feature (no it was not a dream :D ), maybe they were also trying to evade the FCC.