Linksys EA6900 and slow 5GHz Wifi

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mgd33
DD-WRT Novice


Joined: 30 Jul 2020
Posts: 2

PostPosted: Thu Jul 30, 2020 23:11    Post subject: Linksys EA6900 and slow 5GHz Wifi Reply with quote
Hi,
I am happy I could flash a Linksys EA6900 (XAC1900 actually) using the latest build but I noticed very poor performance on wifi using 5GHz.

DD-WRT v3.0-r43904 std (07/23/20)

From the speedchecker with the same laptop at the same place :
2.4GHz gives 70.87 Mb/s
5GHz gives 3.74 Mb/s

On the laptop the wifi icon has not many bars if more than one, signal seems very week on 5GHz
Confirmed by other devices (Samsung Tab A10 and Ipad 12")

All wifi settings are default.

Any thing I should look at ?
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egc
DD-WRT Guru


Joined: 18 Mar 2014
Posts: 6168
Location: Netherlands

PostPosted: Fri Jul 31, 2020 12:40    Post subject: Reply with quote
My EA6900 gives 250 Mb/s with the build in speedchecker

On 5 GHz AC/N 80 Mhz 104 lower upper
Implicit beamforming enabled

Build 43904

_________________
Routers:Netgear R7800, R6400v1, R6400v2, Linksys EA8500, EA6900 (XvortexCFE), E2000 (converted WRT320N), WRT54GS v1.
OpenVPN Policy Based Routing guide: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=321686
Install guide R6400v2:http://forum.dd-wrt.com/phpBB2/viewtopic.php?t=316399
OpenVPN Server Setup:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=318795
Install guide R7800: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=320614
Wireguard Server setup guide:https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=1183135
Wireguard Client setup guide:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324624
Wireguard Advanced setup guide:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324787
Forum Guide Lines (important read):https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324087
mgd33
DD-WRT Novice


Joined: 30 Jul 2020
Posts: 2

PostPosted: Mon Aug 03, 2020 1:32    Post subject: Reply with quote
Unfortunately, the result is still the same, the signal seems really weak even after a reboot and I am 1m away from the router and 2.4GHz is running fine (and sufficient for all the usages we have so no stress here).

Is there a way to monitor or to see the signal strength from dd-wrt ?

That being said I am so glad I can still use this router, thanks to all the fantastic work you guys doing.
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