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Forum Discussion
MP1987
Nov 17, 2021Aspirant
Extremely slow CBR40 Speeds, need help
I have the "Ultra Fast" 900mbps Xfinitity plan with a CBR40 modem/router and RBS20 satelite. I've never seen speeds quite near 900, but in the past it's been quite good (at least 300-400mbps over Wi...
FURRYe38
Nov 17, 2021Guru - Experienced User
If you have a PC or laptop that does not have a ethernet port, you can get a USB to ethernet port adapter to help with testing wired speeds.
The CBR40 should see near 800-900Mbps depending upon if ISP supports on DOCSIS 3.0 it and all 32 channels are locked in. Most ISP now days require a DOCSIS 3.1 modem for 1Gb services.
- MP1987Nov 17, 2021Aspirant
All the devices I've tried doing a speed test on are on the 5ghz network.
What do you mean by "all 32 channels are locked in" ?
- FURRYe38Nov 18, 2021Guru - Experienced User
The channels seen on the Cable Connection Status page.
Will look similar to whats seen here:
What wifi devices do you have connected to the CBR?
- MP1987Nov 18, 2021Aspirant
Oh okay gotcha. I cannot load the Cable Connection page on my laptop over wifi unfortunately. I'm not sure why. Every other page on the router login loads fine.
I actually have 18 wifi devices connected. Most of which are smart home devices (cameras, hubs, smart thermostat etcetera).