Or just do what i did.
I eventually replaced 5 of 6 Panasonic plasma tvs with TCL Roku TVs. Nothing to connect.
I hate to say it, but my $425 65" 2018 4K UHD HDR TCL LCD Series 6 beats my 2009 $3500 65" Panasonic 1080p Plasma.
I use Tablo or YouTube TV for local channels or cable with unlimited DVR. An Roku apps like Plex and Netflix for everything else.
No cable boxes, no dongles, and full IP C4 Control.
All the HDMI extenders I ran years ago are just gathering dust now.