I did not find any HDMI extenders that would also pass through data. So below you’ll find a small desktop switch you could put behind your TV’s if you wanted more ports.

HDMI Over Ethernet: https://amzn.to/2Pg6E4o

HDMI Over Ethernet with IR pass through capability (i’m not sure you need IR pass through but if you think you might, you can get it, of if you want the ability just in case): https://amzn.to/2VbrOGh

Cheap small network switch for behind TV’s if you need more ports: https://amzn.to/2VQT9e9

HDMI Splitter – 1 Source (your cable tv box) outputting to up to 4 TV’s. Your outputs would go into the HDMI Over Ethernet extenders. https://amzn.to/2IqMu7f