diff --git a/scripts/iiab-diagnostics b/scripts/iiab-diagnostics
index a82d40c22..2354ae9c0 100755
--- a/scripts/iiab-diagnostics
+++ b/scripts/iiab-diagnostics
@@ -195,6 +195,7 @@ cat_cmd 'sudo journalctl -b 0 -u dnsmasq' 'dnsmasq log'
 cat_cmd 'networkctl' 'systemd-networkd status'
 cat_cmd 'nmcli d' 'NetworkManager status'
 cat_cmd 'sudo journalctl -b 0 -u networkd-dispatcher' 'networkd-dispatcher log'
+cat_cmd 'iw reg get' 'Detected WiFi country code / legal frequencies'
 cat_cmd 'iw dev' 'List wireless interfaces'
 cat_cmd 'iw list' 'List capabilities of all wireless devices'
 cat_cmd 'systemctl status hostapd' 'Downstream Wi-Fi: Is hostapd running?'
diff --git a/scripts/iiab-diagnostics.README.md b/scripts/iiab-diagnostics.README.md
index 4ff21d22a..3bf5cfdb2 100644
--- a/scripts/iiab-diagnostics.README.md
+++ b/scripts/iiab-diagnostics.README.md
@@ -62,4 +62,4 @@ But first off, the file is compiled by harvesting 1 + 6 kinds of things:
 
 ## Source Code
 
-Please look over the bottom of [iiab-diagnostics](iiab-diagnostics) (lines 105-220 especially) to learn more about which common IIAB files and commands make this rapid troubleshooting possible.
+Please look over the bottom of [iiab-diagnostics](iiab-diagnostics) (lines 105-221 especially) to learn more about which common IIAB files and commands make this rapid troubleshooting possible.