I just bought this
This link is broken, either the page no longer exists or there is some other issue like a typo.
Remote control extender & it works great!!
(I have the upstairs kitchen TV connected to the downstairs digital cable box & can now control that cable box from anywhere in the house! (Has an rf sending unit that just replaces either a AA or AAA battery in any remote & sends the signal through walls, floors, etc......You don't even need to point the remote at anything!!) Only $33.00 too!
(I used to have the pyramid ones from Rat Shack but this is cheaper, requires no sending unit siting in the room & works better!)