R9000 5ghz tx power

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Johnnyde94
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Joined: 20 Mar 2012
Posts: 67
PostPosted: Sat Sep 16, 2017 5:39    Post subject: R9000 5ghz tx power Reply with quote
Hello I have a r9000 that seems to only want to go to 23dBm on the 5ghz band at Channel40 + 42 (5200 MHz VHT80) No matter what i set the tx power to. On the 2.4ghz side i get to 30dBm at 1 + 5 (2412 MHz HT40). I have a large house and am trying to get as much range as possible especially on the 5ghz side. iwconfig eth0 txpower does not seem to change the tx ether.

I live in the US not near any military sites or weather radars so I should be able to push out more power.

Any other tips to increase wifi range? The device i mostly have problems with is my old Iphone 5s, hopefully i will be getting a iphone x soon.
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mrjcd
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Joined: 31 Jan 2015
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Location: Texas
PostPosted: Sat Sep 16, 2017 7:32    Post subject: Reply with quote
Use channel 149 or higher for more power.
--
Try set ack timing 0 and reboot router...might work better for some devices.

It would be to your benefit to read --
http://dd-wrt.com/wiki/index.php/QCA_wireless_settings
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labo
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PostPosted: Sat Sep 16, 2017 20:08    Post subject: Reply with quote
Yes, this is one of the severe limitation, at least while using 160Mhz bandwidth.
The only valid combination for (80Mhz + 80Mhz ) is 138 +144 +155, so forces it to 23dBm, even if you set it to 30dBm
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Johnnyde94
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Joined: 20 Mar 2012
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PostPosted: Sun Sep 17, 2017 18:32    Post subject: Reply with quote
labo wrote:
Yes, this is one of the severe limitation, at least while using 160Mhz bandwidth.
The only valid combination for (80Mhz + 80Mhz ) is 138 +144 +155, so forces it to 23dBm, even if you set it to 30dBm



So no way for one 160ghz band on dd-wrt?
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labo
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PostPosted: Mon Sep 18, 2017 0:17    Post subject: Reply with quote
Yes, currently not possible to have 30dBm set for 160Mhz Bandwidth. However BS can change this.
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ASUS AXE16000: AI Mesh node
2 X ASUS RT-AX89X: AI Mesh nodes
QNAP QSW-1208-8C 12-Port 10GbE Switch
XS712T ProSafe 12-Port 10GbE Switch
3 X R9000 DD-WRT Mesh
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Johnnyde94
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Joined: 20 Mar 2012
Posts: 67
PostPosted: Mon Sep 18, 2017 1:11    Post subject: Reply with quote
labo wrote:
Yes, currently not possible to have 30dBm set for 160Mhz Bandwidth. However BS can change this.


Hopefully he can. What channel do I have to use to get 160mhz working at all?
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Xeon2k8
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Joined: 11 Feb 2016
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PostPosted: Mon Sep 18, 2017 8:15    Post subject: Reply with quote
From here
https://git.kernel.org/pub/scm/linux/kernel/git/sforshee/wireless-regdb.git/tree/db.txt

country US: DFS-FCC
(2402 - 2472 @ 40), (30)
# 5.15 ~ 5.25 GHz: 30 dBm for master mode, 23 dBm for clients
(5170 - 5250 @ 80), (23), AUTO-BW
(5250 - 5330 @ 80), (23), DFS, AUTO-BW
(5490 - 5730 @ 160), (23), DFS
(5735 - 5835 @ 80), (30)
# 60g band
# reference: http://cfr.regstoday.com/47cfr15.aspx#47_CFR_15p255
# channels 1,2,3, EIRP=40dBm(43dBm peak)
(57240 - 63720 @ 2160), (40)

Channels reference at the top
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tatsuya46
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PostPosted: Tue Sep 19, 2017 18:21    Post subject: Reply with quote
i dont think any nation currently legally allows contiguous 160mhz at 30dbm
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