Difference between revisions of "Raspberry pi 4 can't find 5ghz wifi"

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Line 7: Line 7:
  
 
[[File:Raspi-config-wifi-2-1.png|700px]]
 
[[File:Raspi-config-wifi-2-1.png|700px]]
 +
select 'L4'
  
 
[[File:Raspi-config-wifi-2.png|700px]]
 
[[File:Raspi-config-wifi-2.png|700px]]
 +
select the correct country then press 'ENTER'
  
 
[[File:Raspi-config-wifi-3.png|700px]]
 
[[File:Raspi-config-wifi-3.png|700px]]

Revision as of 14:07, 22 June 2021

1. Make sure you have set the correct country code using raspi configuration.

sudo raspi-config

Raspi-config-wifi-1.png

select 'Localisation Options' and press 'ENTER'

Raspi-config-wifi-2-1.png select 'L4'

Raspi-config-wifi-2.png select the correct country then press 'ENTER'

Raspi-config-wifi-3.png

2. Use the 'iwlist channel' command to view the currently allowed frequency bands to be connected. These values are different for different countries.

iwlist channel
Iwlist-show.png

3. Check the frequency band settings of your router 5G WIFI

Routers-5G-setting.jpg
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Anonymous user #2

5 months ago
Score 0++
worked! changing to china worked for me for channel 149 sent from my xiaomi/redmi phone hotspot! :D

Walker

5 months ago
Score 0++
Thanks

Anonymous user #1

10 months ago
Score 0++
Thanks, this seemed to stop the wifi dropping for me.

Walker

10 months ago
Score 0++
You're welcome