Best wireless settings for distance and reliability

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alceryes
DD-WRT Novice


Joined: 09 Mar 2007
Posts: 38

PostPosted: Tue Feb 20, 2018 18:33    Post subject: Best wireless settings for distance and reliability Reply with quote
I've got the Dlink DIR-862 with v3.0 firmware. It's in a noisy area (lots of WLANs and interference).
What would be the best options to improve range and reliability? I'm willing to sacrifice as much speed as needed since the systems that MUST work only transmit very small amounts of data. They are also older systems using a Windows XP OS (yes, I know, I don't support these systems) and I think just G (maybe N draft) wireless.

TIA!
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ian5142
DD-WRT Guru


Joined: 23 Oct 2013
Posts: 2318
Location: Canada

PostPosted: Wed Feb 21, 2018 3:09    Post subject: Wiki Reply with quote
I would go by what is listed in the wiki: https://www.dd-wrt.com/wiki/index.php/Atheros/ath_wireless_settings

tatsuya46 does a good job keeping that page updated as new features are added.

I also keep generic versions here:
https://www.dd-wrt.com/wiki/index.php/Basic_Wireless_Settings
https://www.dd-wrt.com/wiki/index.php/Advanced_wireless_settings

Important settings are Short GI (optional), Short Preamble, Tx Power (semi-important). I would suggest finding the best channel and if speed is not a concern, drop the channel width down (half or even quarter).

_________________
Before asking a question on the forums, update dd-wrt: Where do I download firmware? I suggest reading it all.
QCA Best WiFi Settings


Some dd-wrt wiki pages are up to date, others are not. PM me if you find an old one.

Atheros:
Netgear R7800 x3 - WDS AP / station, gateway, QoS
TP-Link Archer C7 v2 x2 - WDS Station
TP-Link TL-WDR3600 v1 - WDS Station
TP-Link 841nd v8 - NU
D-Link 615 C1/E3/I1 x 7 - 1 WDS station
D-Link 825 B1 - NU
D-Link 862L A1 x2 - WDS Station
Netgear WNDR3700v2 - NU
UBNT loco M2 x2 - airOS

Broadcom
Linksys EA6400 - Gateway, QoS
Asus N66U - AP
Netgear WNDR3700v3 - not used
MediaTek
UBNT EdgeRouter X - switch
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