CAX80 + EAX80 or CBK752

[aaccll123]

I currently have an C7800-100NAS with Xfinity 1.2 Gbps. I have an 1800 sf townhouse with small horizontal dimensions, but 5 floors (counting basement and roof deck). I've put up with poor reception for years but now want something better. I like the Orbi CBR750 with one satellite (ie. CBK752), but also like the 2.5 Gbps and USB ports on the CAX80. Would I be better off adding an EAX80 to the CAX80, or just getting the Orbi? I don't want to be kicking myself in a year or two.

[plemans]

What is the town home made of? 

1800sqft isn't that large of a structure and most routers should cover it.

And the C7800 is a pretty darned good modem/router. it was best of the combo's until the CAX line. 

Reason I ask what your townhome is made of is if its made from materials like brick/concrete/metal, it might not be an issue of switching to a mesh system or adding an extender. You might need something hardwired in for a backhaul. That'd change the recommendations. 

the other thing I'd consider, is the C7800 has a modem only mode and it basically has a docsis 3.1 modem in it. Fairly solid. might be worth investigating a seperate router from the modem that way it does make upgrades easier/cheaper in the future. 

[aaccll123]

Plemans, thanks for the reply. My townhouse is wood and drywall on the inside, brick on the outside. I only use WiFi inside so I don't think the brick is an issue. The ethernet portion of my C7800 has worked well since 2017, but for the past few months both ethernet and Wi-Fi have been randomly disconnecting for no apparent reason. When this happens, I lose the connection between two of my computers connected by ethernet, so I don't think the connection to Xfinity has anything to do with it. I'm all set to try a new device. I just can't decide which.

[plemans]

How often are you loosing connection? 

If its fairly frequently, you could try the c7800 in modem only mode to see if the modem side is good. 

Do you have a screen snip of the cable connecitons page and the event logs?

[aaccll123]

Plemans, thank you for your help. I sent the screen captures you requested in a private message. I would say the lost connection happens every few days. I would love to isolate the modem portion of my C7800 and just test that, but I don't have another router.