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High speed WiFi (250-300mpbs) but drops to 1-2 mbps after 5-10 minutes (alien.top)

submitted 11 months ago by DarkSoul2323@alien.top to c/homenetworking@selfhosted.forum

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Situation is, I have ATT fiber and the router is forced to be downstairs while I'm on the second floor.

I tested my moms laptop downstairs and her speed is great. However my iphone with me upstairs is also pretty solid routinely getting 100+ mbps.

What is causing such a drastic drop in speed?

I have this PC and hardware:

https://www.microcenter.com/product/665134/powerspec-g443-gaming-pc

10/100/1000 Network

2.5GbE LAN
WiFi 6E 802.11ax

My meantime solution is I have one of those ethernet adapters, which smooths out my mbps to about 40-50.

https://www.amazon.com/gp/product/B084CZMYNM/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1

but I would much rather have 200-250 or at least 100 mbps like my iphone.

What could be causing the drastic loss of speed?

Would something like the amazon aero help?

https://www.amazon.com/gp/product/B07WGJ8ZD3/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1

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[–] srdjanrosic@alien.top 2 points 11 months ago (1 children)

Too many variables in how WiFi can be set up, hard to tell.

Since you're in a house, and I'm guessing in the US (mentions of microcenter), try the following:

Separate 5GHz wifi network from 2.4GHz by giving them separate names.
Set the channel on 5GHz to 36 or 149, instead of Auto.
Set the channel on 2.4GHz to 1 or 6.

Then, stick to 5GHz on all devices that support it and where you have a choice, e.g. "forget network" the 2.4. ...

... and see how that goes.

[–] furruck@alien.top 2 points 11 months ago (1 children)

Nah it's likely just basic WiFi interference, the OP is just better off grabbing a set of MoCA adapters as i'm betting both upstairs and downstairs have Coax going to them, and they will not have to run anything "new"

In 2023, there's absolutely no reason to seperate the WiFi networks anymore as the routers now handle band steering just fine, especially if the OP got the Nokia gateway.

I'd personally just grab a pair of MoCA adapters from Amazon, and an AirTies from eBay and install the mesh router upstairs with the MoCA adapter so the OP has a close AP and full 300Mbps ethernet for the PC to connect too.

[–] srdjanrosic@alien.top 2 points 11 months ago

... in 2023 no reason to separate...

Disagree heavily, (In cases when there's no need for high performance devices to ever consider slower 2.4GHz g/n networks littered with 10year old iot stuff, they'll still sometimes pick 2.4.. and there's usually no other way to configure this restriction on clients), ... but that's a bit of a longer discussion.

MoCA could be a nice hack if coax is there between floors and Ethernet isn't.

Also, there's "fancy" wifi client gear from Mikrotik in 50-100 bucks range, stick one end into Ethernet, point it towards the router and enjoy the +20dB of signal, as if the PC was in the same room.

(I apologize for using Mikrotik and fancy in the same sentence, but compared to most desktop adapters , the CLS of Mikrotik is kind of fancy, ... I'm thinking of their sq5 series here in particular)