Here my config

config wifi-device 'mt7615e5'
	option type 'mtk'
	option hwmode '11ac'
	option htmode 'VHT80'
	option band '5G'
	option txpower '20'
	option noscan '1'
	option region '10'
	option cfg '/etc/wireless/mt7615_5g.dat'
	option channel '40'

config wifi-iface 'wifi5g'
	option device 'mt7615e5'
	option network 'lan'
	option mode 'ap'
	option disassoc_low_ack '0'
	option ifname 'ra0'
	option wds '1'
	option key 'goodlife'
	option encryption 'sae-mixed'
	option ssid '5G'

config wifi-device 'mt7615e2'
	option type 'mtk'
	option htmode 'HT40'
	option band '2G'
	option txpower '20'
	option noscan '1'
	option region '0'
	option cfg '/etc/wireless/mt7615_2g.dat'
	option hwmode '11ng'
	option channel '3'

config wifi-iface 'wifi2g'
	option device 'mt7615e2'
	option network 'lan'
	option mode 'ap'
	option wds '1'
	option disassoc_low_ack '0'
	option ifname 'rax0'
	option key 'goodlife'
	option encryption 'sae-mixed'
	option ssid '2G'

config wifi-iface 'guest5g'
	option device 'mt7615e5'
	option network 'guest'
	option mode 'ap'
	option wds '1'
	option encryption 'psk2'
	option key 'goodlife'
	option ifname 'ra1'
	option guest '1'
	option ssid 'GL-MT1300-b36-Guest-5G'
	option disabled '0'

config wifi-iface 'guest2g'
	option device 'mt7615e2'
	option network 'guest'
	option mode 'ap'
	option wds '1'
	option ssid 'GL-MT1300-b36-Guest'
	option encryption 'psk2'
	option key 'goodlife'
	option ifname 'rax1'
	option guest '1'
	option disabled '0'

config wifi-iface 'guest2g2'
	option device 'mt7615e2'
	option network 'guest'
	option mode 'ap'
	option wds '1'
	option ssid 'GL-MT1300-b36-Guest2'
	option encryption 'psk2'
	option key 'goodlife'
	option ifname 'rax2'
	option guest '1'
	option disabled '1'