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37 Posts
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15426
February 18th, 2015 20:00
3800 Wifi Range
I'm posting from my brand spank'n new m3800 developer edition, and I have noticed that the wifi performance seems to be having some troubles. Using wavemon to measure the strength of a the wifi signal, it is reading around 30-50%, whereas my old l702x typically reads around 60-70%. I tested pinging google.ca, and was getting 25% packet loss, while again my old l702x was getting 0% packet loss. Is there a driver problem or is the range really that low?
I still need to do more testing to see if bringing it closer to the router helps or not.
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Finalfantasykid
37 Posts
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February 18th, 2015 20:00
Hopefully this will tell you what you want:
wlan0 IEEE 802.11abgn ESSID:"**********"
Mode:Managed Frequency:2.462 GHz Access Point: *************
Bit Rate=2 Mb/s Tx-Power=22 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=28/70 Signal level=-82 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:1 Missed beacon:0
In comparison, my other laptop lists the Bit Rate as 72Mb/s, and the Link Quality as 59/70, and Signal Level as -51 dB. It also only lists 802.11 bgn, no "a".
EDIT: I just updated to the 3.16 kernel, and it appears to have fixed the problem. I still need to do more testing, but I was getting full speeds and no dropped packets from the same position. wavemon was also way steadier with minimal fluctuations.
DELL-Jared D
2 Intern
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350 Posts
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February 18th, 2015 20:00
Seems low. Also, what band/iteration of 802.11?
cfhowlett
8 Posts
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February 27th, 2015 05:00
Hi Finalfantasykid:
I also just purchased a m3800 Precision Developer Edition. After clean installing UbuntuStudio 14.04.2, I seem to have lost part of my sources and, perhaps worse, the "restore to factory settings" and "Dell diagnostics" options.
Could I possibly trouble you to share two of your system files so that I can use to rebuild my system? If you would open a terminal and run these commands:
more /etc/apt/sources.list > sources.txt
more /boot/grub/grub.cfg > grub.txt
Please email the two resulting text files to seattlechaz@hotmail.com
Thank you in advance!