THE GATEWAY / ARRIS XB6-T WIRELESS MODEM, ROUTER, WITH VOIP TELEPHONE JACKS MAKES NOISE WHEN IT COLLECTS TOO MUCH DUST AT THE BOTTOM | Xfinity Community Forum
Just found out xfinity could upgrade your Modem for free. Thanks Xfinity for the Wi-Fi boost. Never had the XB7. Went from the XB6 to the XB8. With instant noticeable improvements. :
Arris XB6 Xfinity Wall Mount by cadbury | Download free STL model | Printables.com