Page 2 description this is a docsis cable gateway device including the following functionalities.
Voice and data modem technicolor cgm4331com.
I must say having worked in engineering for 40 years in areas that touch on it i am simply amazed that comcast would ship the cgm4140com without any reasonable documentation.
Learn more about wireless gateways and download the user guides.
Technicolor cgm4231 cable modem wireless gateway with dual voip phone ports docsis 3 1 with 802 11ac wi fi moca 2 0.
Xfinity xb7 t cgm4331com antenna location best placement for any modem regardless of antenna placement is out in the open and on the first floor of a home.
Before purchasing your own equipment confirm it is approved for use with xfinity services and can achieve the maximum capability of your subscribed speed tier.
However you will miss out on the full suite of xfinity services.
These range from core data and wireless modems for optimal speeds and seamless connectivity to full fledged smart gateways for more demanding services and applications.
If there are any comcast tech support representatives monitoring this forum i would kindly ask them to forward this to their tip tier support management to resolve this issue.
Depending on the home and the usage locations the basement or second floor may be ok.
Alternately some xfinity customers may wish to purchase and use third party cable modems and gateways.
Our all in one emta smart gateways feature all the latest standards and innovations in wi fi wideband euro docsis and voice functionalities.
Technicolor cgm4331com wireless ax wi fi 6 i would have been more impressed if it had four 5gbe ports on the back of it than this half assed 1x 2 5 and the rest is only capable of doing 1gbe.
You can find a lot of technical data on it all over the internet but as.
Thank you for your response.