diff --git a/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
index 27eecf3..0124d89 100644
--- a/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
+++ b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
@@ -61,7 +61,8 @@ drv_mac80211_init_device_config() {
 		rx_stbc \
 		tx_stbc \
 		he_bss_color \
-		he_spr_non_srg_obss_pd_max_offset
+		he_spr_non_srg_obss_pd_max_offset \
+		radar_background
 	config_add_boolean \
 		ldpc \
 		greenfield \
@@ -137,13 +138,10 @@ mac80211_hostapd_setup_base() {
 	[ -n "$acs_exclude_dfs" ] && [ "$acs_exclude_dfs" -gt 0 ] &&
 		append base_cfg "acs_exclude_dfs=1" "$N"
 
-	json_get_vars noscan ht_coex
+	json_get_vars noscan ht_coex radar_background:0
 	json_get_values ht_capab_list ht_capab tx_burst
 	json_get_values channel_list channels
 
-	[ "$auto_channel" = 0 ] && [ -z "$channel_list" ] && \
-		channel_list="$channel"
-
 	set_default noscan 0
 
 	[ "$noscan" -gt 0 ] && hostapd_noscan=1
@@ -413,9 +411,9 @@ mac80211_hostapd_setup_base() {
 			he_spr_non_srg_obss_pd_max_offset:1 \
 			he_bss_color
 
-		he_phy_cap=$(iw phy "$phy" info | awk -F "[()]" '/HE PHY Capabilities/ { print $2 }' | head -1)
+		he_phy_cap=$(iw phy "$phy" info | grep "HE Iftypes: AP" -A 50 | awk -F "[()]" '/HE PHY Capabilities/ { print $2 }' | head -1)
 		he_phy_cap=${he_phy_cap:2}
-		he_mac_cap=$(iw phy "$phy" info | awk -F "[()]" '/HE MAC Capabilities/ { print $2 }' | head -1)
+		he_mac_cap=$(iw phy "$phy" info | grep "HE Iftypes: AP" -A 50 | awk -F "[()]" '/HE MAC Capabilities/ { print $2 }' | head -1)
 		he_mac_cap=${he_mac_cap:2}
 
 		append base_cfg "ieee80211ax=1" "$N"
@@ -462,6 +460,8 @@ mac80211_hostapd_setup_base() {
 		append base_cfg "he_mu_edca_ac_vo_timer=255" "$N"
 	fi
 
+	append base_cfg "enable_background_radar=$radar_background" "$N"
+
 	hostapd_prepare_device_config "$hostapd_conf_file" nl80211
 	cat >> "$hostapd_conf_file" <<EOF
 ${channel:+channel=$channel}
-- 
2.29.2