Core Innovations Over-the-Air Digital TV Converter & DVR Box The Core Innovations CTCB105 Over the Air Digital TV Converter and DVR Box converts digital signals to your analog TV so you can enjoy free HDTV broadcasts from your favorite channels. Compatible with all TV brands simply connect this box to your TV and antenna and you?ll be able to watch live programs or record shows for enjoyment at your convenience. Plug in a USB drive to view photos play music or watch movies and recorded content. Parental controls let you take charge of the content your family can access; simply block certain channels by setting a password. This box is the perfect solution to upgrade your home entertainment system.