Raspberry pi 4 access point

Installing and Using OpenWrt
17

I use this settings on the PI 4, on 5GHz:

config wifi-device 'radio0'
	option type 'mac80211'
	option channel '36'
	option hwmode '11a'
	option path 'platform/soc/fe300000.mmcnr/mmc_host/mmc1/mmc1:0001/mmc1:0001:1'
	option legacy_rates '0'
	option country 'US'
	option htmode 'VHT20'

on 2,4GHz :

config wifi-device 'radio0'
	option type 'mac80211'
	option path 'platform/soc/fe300000.mmcnr/mmc_host/mmc1/mmc1:0001/mmc1:0001:1'
	option legacy_rates '0'
	option country 'US'
	option hwmode '11g'
	option channel '7'

or

config wifi-device 'radio0'
	option type 'mac80211'
	option path 'platform/soc/fe300000.mmcnr/mmc_host/mmc1/mmc1:0001/mmc1:0001:1'
	option legacy_rates '0'
	option country 'US'
	option hwmode '11g'
	option channel '7'
	option htmode 'HT20'
	option short_gi_40 '0'
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