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ivarss
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Posts: 18
Joined: Tue Jul 02, 2019 12:15 am
Location: Latvia

poor wifi signal with wifiwave2 on hAP ac³

Sun Oct 23, 2022 2:02 pm

Hi guys,
I have two hAP ac³ routers that work flawlessly with no complains.
Now I got another pair and decided to use wifiwave2.
The problem is that signal is good only in the line of sight. As soon as there is at least one wall, the signal becomes really poor.
This is a normal house with aerated concrete walls.
When in the same room, performance is absolutely OK, iperf3 to another device in LAN shows
[ ID] Interval           Transfer     Bitrate
[  7]   0.00-10.00  sec   571 MBytes   479 Mbits/sec                  sender
[  7]   0.00-10.02  sec   569 MBytes   476 Mbits/sec                  receiver
I have two hAP ac³'s, each in opposite corner in the house, connected with ethernet and yet in the middle of the house there's no wifi. ¯\_(ツ)_/¯
[admin@ap] /interface/wifiwave2> export 
# oct/23/2022 13:42:27 by RouterOS 7.6
# software id = ...
#
# model = RBD53iG-5HacD2HnD
# serial number = ...
/interface wifiwave2 channel
add band=5ghz-ac frequency=5180,5260,5500 name=ch-5ghz width=20/40/80mhz
add band=2ghz-n frequency=2432,2472 name=ch-2ghz width=20mhz
/interface wifiwave2 configuration
add country=Latvia name=IOT ssid=IOT
/interface wifiwave2 security
add authentication-types=wpa3-psk name=common-auth wps=disable
/interface wifiwave2 configuration
add country=Latvia name=common-conf security=common-auth security.ft=yes ssid="my great wifi"
/interface wifiwave2
set [ find default-name=wifi1 ] channel=ch-2ghz configuration=common-conf disabled=no
set [ find default-name=wifi2 ] channel=ch-5ghz configuration=common-conf disabled=no
add configuration.country=Latvia .mode=ap .ssid=IOT disabled=no mac-address=1A:FD:74:36:F8:EA master-interface=wifi2 name=wifi3
add configuration.country=Latvia .mode=ap .ssid=IOT disabled=no mac-address=1A:FD:74:36:F8:E9 master-interface=wifi1 name=wifi4
Any ideas? Some people have similar complaints, but is this a trend?
Appreciate your input and best regards,
Ivars
 
gotsprings
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Joined: Mon May 14, 2012 9:30 pm

Re: poor wifi signal with wifiwave2 on hAP ac³

Mon Oct 24, 2022 11:01 am

If you can't walk through it... Don't expect Wifi to communicate through it.

Different materials will slow or down right stop radio signals from passing through them.

Put radios in the rooms where you need clients to connect.

And when I say put radios in the room... I mean wire them in the rooms.
 
ivarss
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Topic Author
Posts: 18
Joined: Tue Jul 02, 2019 12:15 am
Location: Latvia

Re: poor wifi signal with wifiwave2 on hAP ac³

Tue Nov 15, 2022 9:38 pm

I will share this in hope it may help somebody else.
The short answer is: "make separate SSID's for 2.4 GHz and 5 GHz wireless"!

The long explanation is that I was under impression that if 2.4 and 5 GHz share the same SSID then device will transparently choose whatever frequency is available.
It turns out I was very wrong, at least in my case with iOS devices. :shock:
What was happening instead was that when 5 GHz network is not available, nothing else is chosen by the device. All iOS devices I have behave this way!
So I thought that there is absolutely no coverage in the middle of the house when actually 2.4 GHz network was present and available.

So now I split SSID's, set 5 GHz one as preferred and when it is not available, 2.4 GHz is used without issues.
So this has noting to do with wifiwave2.

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