diff --git a/res/test-wifi-capabilities.sh b/res/test-wifi-capabilities.sh
new file mode 100644
index 0000000..9ee9932
--- /dev/null
+++ b/res/test-wifi-capabilities.sh
@@ -0,0 +1,5 @@
+#/bin/bash
+
+echo You must see P2P-Go and P2P-Client below this line for a valid miraclecast device:
+
+iw list | grep -P "(?s)Supported interface.*Supported commands" | grep "P2P"