It has enough range to be used with a smart TV or Home theater PC but it's not a good choice for that. For a home theater you want a keyboard with an integrated touch pad or scroll ball for mouse functions. You also want one that's backlit if you need to use it while the lights are dimmed and don't know how to touch type. I use a Logitech Harmony programmable remote control for must functions in my living room. I use it to control my HTPC, A/V receiver, Blu-Ray player, and lights. If I need to enter text to search for a movie I use my tablet or smart phone. Your TV has an app for smart phones and tablets so that would be your best choice. I have a wireless keyboard with a touch pad that I use to install updates and software on the HTPC in my living room. It runs Windows 7 with Windows Media Center for recording TV and Media Browser Classic for managing my movies and watching online videos. I only use the keyboard once a week at most. I use my tablet for most keyboard functions while watching TV because it's easier to use when the lights are dimmed and if I'm just watching the news I'm normally reading emails on my tablet at the same time.