Visitor
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4 Messages
Coax amplifier issue
I've had some issues with slow upload speeds on my 2-gig plan, with downloads being fine at around 1900mbps but uploads only at 50 of the advertised 250mbps. After troubleshooting for a while, I think I've found a solution. In my network cabinet there is a coax amplifier rated for "5-42mhz" between the cable from the street to my modem, which is supposedly meant for sub-split speeds. Removing this and directly connecting Xfinity's XB7 modem to the street coax increases upload speeds to ~200mbps, but causes some other odd issues. I believe replacing it with an amplifier rated for "82mhz" mid-split speeds (whatever that means) will fix my issues. The only thing is, I can't find any for sale. Do I need an Xfinity technician to take a look at this? Have I totally misinterpreted my issue and solution?
EG
Expert
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114K Messages
24 days ago
@user_jeh75g
See this current topic for reference;
https://forums.xfinity.com/conversations/your-home-network/correct-amp-for-xb8-2-gb-service/68d309569af7100b519da8fd
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EG
Expert
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114K Messages
23 days ago
@user_jeh75g
Yes.
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XfinityJeff
Official Employee
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285 Messages
23 days ago
Good morning @user_jeh75g, thanks for visiting us on the Xfinity forums, and thank you @EG for providing the link to the other forum post, I hope you are having a good day so far! As someone that works from home and has to do a lot of video meetings online, I know how important good upload can be, so I understand the frustration that your download is fine, but the upload is low. You have reached the right team that can take a look for you. I noticed in the conversation that you mentioned purchasing an amplifier on eBay, and I was wondering if you had received it yet?
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