Update 5GHz countries, thx @roelfrenkema

config/config.php

@@ -28,7 +28,7 @@ define('RASPI_ACCESS_CHECK_IP', '1.1.1.1');
 define('RASPI_ACCESS_CHECK_DNS', 'one.one.one.one');
 
 // Constant for the 5GHz wireless regulatory domain
-define('RASPI_5GHZ_ISO_ALPHA2', array('US'));
+define('RASPI_5GHZ_ISO_ALPHA2', array('NL','US'));
 
 // Optional services, set to true to enable.
 define('RASPI_WIFICLIENT_ENABLED', true);

config/wireless.json

@@ -6,11 +6,11 @@
         "channels": [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 ]
     },
     "2_4GHz_max14ch": { 
-        "countries": [ "JP" ],
+        "countries": [ "JP", "NL" ],
         "channels": [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 ]
     },
     "5Ghz_max48ch": {
-        "countries": [ "US" ],
+        "countries": [ "NL","US" ],
         "channels": [ 36, 40, 44, 48 ]
     }
 }}