Before revision: Using an HDTV antenna, Tablo collects free Over-The-Air HDTV signals; allowing the user to either watch live TV or record programs to an external USB hard drive .
After revision: or internal storage, depending on the modelUsing an HDTV antenna, Tablo collects free Over-The-Air HDTV signals; allowing the user to either watch live TV or record programs to an external USB hard drive .