Contributor
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36 Messages
New Modem And Electrical Noise Being Generated By It ?
Hello,
Have just installed that new Modem they required.
Picked it up at the local Framingham store.
It's the "big" white brick style.
Have finally been able to configure it, and get working.
Two questions, please:
I do a lot of short wave listening as a hobby.
Getting an incredible amount of noise (RFI) on 135.0 MHz. All the time; continuous.
Anyone know anything about this ?
Any other sw hobbyists that can verify for me ?
There was a very, very old Post on Radio Reference.com regarding
the noise generation by Comcast Routers.
It took me so long to get it working, I am very reluctant to shut it off, or disconnect
any of the cables, to see if the noise goes away.
Second Question: My old setup used the Comcast Modem feeding a Cisco Router. The new one also feeds this same Cisco Router.
I see there are a bunch of LAN spigots on the back of this new Modem.
Can the Comcast Modem be used as a Router instead of the Cisco Router I now have hooked up to it ?
Much thanks; appreciate the help,
Bob
XfinityJamesC
Official Employee
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2K Messages
3 months ago
Greetings, @Robert11! I hope your week has been treating you well. Thanks so much for taking a moment out of your busy day to leave a post on our community forum about your new gateway. You have definitely come to the right place for assistance.
I honestly haven't heard much about the RFI noise issue before this. I was able to find an old report from our employee testing trial that mentions RF Interference happening with random gateways. It was especially prevalent with testers who had the Xfinity Home Security System, which uses the ZigBee architecture for wireless communication. I wouldn't be surprised if a short wave radio picked up on the same thing. If you wanted to temporarily unplug the power supply to your gateway for testing purposes, to see if the noise disappears, that shouldn't have any impact on your settings.
As far as the router is concerned, those gateways do have a built-in Wi-Fi router you can control using the Xfinity app. If you want to continue using your Cisco router, we would recommend placing your gateway in bridge mode to avoid broadcasting any conflicting Wi-Fi signals. You could also disable the Cisco router and just use the built-in router on your gateway instead. I would test it both ways and go with whichever setup offers the best performance.
Please let me know if the RFI noise continues happening or becomes problematic for you. It may be something we can correct by swapping out your gateway or switching to a different model. Our amazing community is always here for your support.
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