Please add the Xfinity by IR. Please note that the IR receiver on Xfinity is rather weak and has a really limited receiving angle. We suggest sticking the IR blaster that comes with the box onto the IR receiving area on your Xfinity. Here's an article from Xfinity for your reference: https://www.xfinity.com/support/articles/using-your-remote-control-with-an-ir-extender