To achieve that you can attach a cable splitter between the output of your main cable box and first tv then run one or more secondary lines to other televisions.
Control cable box from another room.
Send video from across the room.
I highly recommend it.
You can also control from a tablet phone but i prefer the remote.
I have my receiver direct tv box fire tv ps3 all in another room and the remote controls everything flawlessly.
If you re just talking about being able to change the channel from the.
Not great given i have a combined family room kitchen situation and would like to be able to use the remote from much farther away.
As the descrambling point the cable box controls everything.
To watch tv in another room without a cable box however that information will have to be mirrored.
If there s nowhere to hide your cable box you can choose to put it in a nearby cabinet or closet and send the video signal and ir commands with a wireless hdmi kit.
If you re trying to get the video from the cable box in another room there s no way that i know of to do that wirelessly.