Difference between revisions of "Raspberry pi 4 can't find 5ghz wifi"
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(Created page with "{{GD Template Impl}} 1. Make sure you have set the correct country code using raspi configuration. 2. Use the 'iwlist channel' command to view the currently allowed frequenc...") |
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{{GD Template Impl}} | {{GD Template Impl}} | ||
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| + | Firstly, you must have a 2.4G/5G dual band routers. | ||
1. Make sure you have set the correct country code using raspi configuration. | 1. Make sure you have set the correct country code using raspi configuration. | ||
| + | sudo raspi-config | ||
| + | |||
| + | [[File:Raspi-config-wifi-1.png|700px]] | ||
| + | |||
| + | select 'Localisation Options' and press 'ENTER' | ||
| + | |||
| + | [[File:Raspi-config-wifi-2-1.png|700px]] | ||
| + | |||
| + | select 'L4' and press 'ENTER' | ||
| + | |||
| + | [[File:Raspi-config-wifi-2.png|700px]] | ||
| + | |||
| + | select the correct country then press 'ENTER' | ||
| + | |||
| + | [[File:Raspi-config-wifi-3.png|700px]] | ||
2. Use the 'iwlist channel' command to view the currently allowed frequency bands to be connected. These values are different for different countries. | 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 channel | ||
| − | [[File:Iwlist-show. | + | [[File:Iwlist-show.jpg|700px]] |
| + | |||
| + | 3. '''Check the frequency band settings of your router 5G WIFI''' | ||
| + | |||
| + | [[File:Routers-5G-setting.jpg|1000px]] | ||
| − | + | '''For this router, only '149,153,157 or 161' channel can be selected if we want to use 5G WIFI, or can't find 5G wifi in Pi 4 SSID list.''' | |
| − | + | 4. Then you can find the 5G wifi on your raspberry pi SSID list | |
<!--Add review function! --> | <!--Add review function! --> | ||
Latest revision as of 14:22, 22 June 2021
Firstly, you must have a 2.4G/5G dual band routers.
1. Make sure you have set the correct country code using raspi configuration.
sudo raspi-config
select 'Localisation Options' and press 'ENTER'
select 'L4' and press 'ENTER'
select the correct country then press 'ENTER'
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
3. Check the frequency band settings of your router 5G WIFI
For this router, only '149,153,157 or 161' channel can be selected if we want to use 5G WIFI, or can't find 5G wifi in Pi 4 SSID list.
4. Then you can find the 5G wifi on your raspberry pi SSID list
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