4k hdmi extender

Hi guys, I am not sure where exactly to post this question, if this sub forum is incorrect, let me know and I will repost. I have a security camera NVR (recorder) with 2 HDMI and 1 VGA. I am trying to pipe video to 3 TVs. I would like to pipe audio as well but that won't be possible with VGA...

Hey everyone... hoping to get some help from experts I've set up my PS4 Pro to work with a 4K HDMI extender. I'm pretty sure I have everything connected correctly, but the problem is i'm only seeing 1080p on our Sony XBR55x930D and the game i'm trying to play is Resident Evil 7 Biohazard which...