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Netgear WiFi 802.11N - N signal strength poorer than G?

Posted on 2010-11-11
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Last Modified: 2013-12-09
Hi..

I am using an Netgear WNDA3100v2 USB card and a Netgear WNDR3700 router using the latest firmware revision.  The USB card is attached to two USB extension leads to maximise signal strength.  Router and device are about 10 metres apart on the same floor of an apartment.  Practically I can move the router around up to a metre or so.  I do have non-N clients connected to the same network, but it is not possible to have them all operating on N.

My issue is that 802.11G network gives a signal strength of 74% and N at 34%.  My N network syncs at 81Mbps and occasionally flicks up to 108Mbps.  I have tried changing the N channel to every available option, and the N link speeds varying upwards from 13.5Mbps.

I would like to get the best possible performance out of this config as the network will largely be used for multi-room multimedia streaming.

I am wondering if there's any tweaks or suggestions someone can provide for this config?  Possibly a firmware hack would be of use?

Many thanks.
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Question by:gtaplin2
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by:RikeR
ID: 34118294
My guess is that your 11n is on 5Ghz and 11g (obviously) on 2,4Ghz.

5Ghz is less congested and therefore you'll experience less interference. Also the available channels are more then on 2,4Ghz

The only drawback of 5Ghz is that the signal attenuation is bigger, therefore the received signal strength over the same distance is less on 5Ghz
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by:gtaplin2
ID: 34123780
Yes, guesses are correct.  Thanks.  

So are there any practical ways suggested to improve the throughput now that each N channel has been tried?  I know wifi claims are massively overblown, but gee I'd like to think I could reliably reach at least 1/3 of the claim given how close router and client is.
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RikeR earned 500 total points
ID: 34126398
I'mnot familiar with your device, but at this moment the best performance on11n is found when using channel bonding, whereby a 40Mhz channel is being utilized in stead of 20Mhz. If you want to stick to 2,4Ghz you can use one radio for 11n on channel 1 and the second radio for11g on channel 11.
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