Most of the info is here:
You need a widescreen HDMI equipped TV with HDMI.
It's not a direct cable/TV tuner replacement as there's no subscription model (except for Netflix if available inyour country, but that is set up separately and usable on the unit).
Recommended internet speeds:
A sustained 8-Mbit/s or faster Internet connection is recommended for viewing 1080p high-definition movies and TV shows, 6-Mbit/s or faster for viewing 720p content, and 2.5-Mbit/s or faster for standard-definition content. Internet connection speeds may vary depending on your ISP and other factors.