:: Re: [DNG] Low speeds over wireless …
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Szerző: Joel Roth
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Címzett: dng
Tárgy: Re: [DNG] Low speeds over wireless link
Altoid, Tito: Thanks for these suggestions.

Yes, I did try a second adapter, with a different set of
deficiencies ;-) The location is about 9m from the router,
in a wooden house, and all the other devices (imac, ipad,
android) in the house connect okay, with strong enough signal...

On Mon, May 06, 2024 at 07:54:41AM +0200, tito via Dng wrote:
> On Sun, 05 May 2024 20:19:54 -0300
> altoid via Dng <dng@???> wrote:
>
> > Hello:
> >
> > On 5 May 2024 at 12:29, Joel Roth via Dng wrote:
> >
> > > ... desktop can't get a decent speed connection ...
> > If everyone gets adequate speeds (whatever those are), the problem
> > may be the *number* of everyones in your immediate vicinity
> >
> > How many boxes are accesing the router at the same time?
> > ie: how many are accessing it via WiFi, how many are doing it via
> > ethernet and just what is the connection's available bandwidth.
> >
> > You may first want to try checking what happens when you are the
> > *only* one using the router, whether it is via WiFi or ethernet.
> >
> > If the problem persists, you may want to try a different adapter as
> > those thinguies are *not* all the same.
> >
> > Some are nothing but money flushed down the toilet.
> >
> > eg: I use a TP-Link TL-WN422G with a home-made directional coffee can
> > antenna instead of the OEM stub and the difference in signal strength
> > is more than 2X.
> >
> > And when there are no other WiFi setups running in the nearby
> > appartments I can get a sustained 100% signal strength from an ISP
> > supplied router ~45 feet+3 walls away (as the crow flies).
> >
> > Under those conditions I can achieve 21.50Mbps download, measured
> > with the speedtest.net site.
> >
> > The upload speed will highly on what the type of connection the ISP
> > is selling you, both in terms of bandwidth *and* type of connection.
> > eg: synchronous or asynchronous
> >
> > That said, bear in mind that every hardware/conditions combination is
> > unique, so you'll have to experiment till you get yours right.
> >
> > Best,
> >
> > JHM
>
> Hi,
> also check what other electrical devices are running nearby
> (e.g. microwave ovens are killers of wifi signal, but others
> like neon lights can influence it too).
> 2,5 ghz signals normally are more resilient to obstacles like armed concrete
> walls meanwhile 5ghz is not so resilient but faster at least in theory.
> One more check is to see what parameters the loaded kernel modules
> for the wifi adapters support and what they do (modinfo), experimenting with them
> can help improve stability.
> Check if any firmware files are loaded for the adapters in the logs
> (dmesg) anf if there are any newer files (packaged in backports
> repo or on the kernel.org site).
> Last resort is longer antennas with higher signal gains which can
> be bought on the web or directional antennas that bundle the
> signal only towards the access point that can also be bought
> or if you like it DIY.
>
> Hope it helps,
> Cioa,
> Tito
>
>
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--
Joel Roth