This modem connected to all my WiFi devices on the 2.4 and 5MHz bands and acted as a router. When connected to Xfinity/Comcast it never synced to their system. You could see the modem but I never connected to the internet on my side. I had Comcast supply one of their modems and it worked fine. I bought this modem too early because it was non-refundable when I used it. I think I'll have to throw it in the trash instead of returning it. This is the first "refurbished" product I've purchased that hasn't worked.
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