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Is there an extender for this box
Yes, you can use the ones that come with the little DTA adapters, or check THIS site for one, they suggest emailing them first if you have a DCX3200.
Comcast does not support or supply IR receivers, so your on your own.
Use this tool to find the codes of your devices and to get specific instructions on programming the codes into your Comcast remote.
Alerts are an easy, quick way to manage your account and get information - like payment confirmations and your current balance.
Find everything you need to know about setting up your wireless gateway.
Get details on weather, traffic, sports and more all from your XFINITY TV on the X1 Platform Dashboard.