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.
Voice and data modem technicolor cgm4331com.
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.
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.
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.
Our all in one emta smart gateways feature all the latest standards and innovations in wi fi wideband euro docsis and voice functionalities.
Docsis 3 1 cable modem packetcable 2 0 edva 2 port gigabit ethernet switch with advanced routing capability 802 11n wifi interface at 2 4ghz 802 11ac wifi interface at 5ghz.
Alternately some xfinity customers may wish to purchase and use third party cable modems and gateways.
Forget the customer friendly marketing speak the router is actually a docsis 3 1 technicolor xb7 model cgm4331com.
Thank you for your response.
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.
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.
Page 2 description this is a docsis cable gateway device including the following functionalities.