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Support XFINITY TV Digital Boxes vs. Digital Adapters

Introduction

Learn the key differences between a digital set-top box and a digital adapter.

Digital set-top box

A digital set-top box (also known as a digital cable box, digital converter box or digital receiver) processes digital-quality signals. With this box, you can view our on-screen channel guide, which includes access to TV listings, program information, search tools, parental controls and more. You'll also get access to XFINITY On Demand and Pay-Per-View programming.

Digital adapter

A digital adapter provides digital-quality signals. When using a digital adapter, you  will not have access to our on-screen channel guide, premium channels (such as HBO, Showtime, Starz, etc.), Pay-Per-View or XFINITY On Demand programming.

Find this article at:

http://customer.comcast.com/help-and-support/cable-tv/difference-between-cable-box-and-digital-adapter/