diff --git a/src/capwap/capwap_ieee80211.h b/src/capwap/capwap_ieee80211.h
index 3be68672..c27c7b4f 100644
--- a/src/capwap/capwap_ieee80211.h
+++ b/src/capwap/capwap_ieee80211.h
@@ -27,3 +27,12 @@
 
 #define CWMSGELEM_IEEE80211_WTP_RADIO_INFO	1048
 
+
+
+
+#define CW_IEEE80211_RADIO_TYPE_B		(1<<24)
+#define CW_IEEE80211_RADIO_TYPE_A		(2<<24)
+#define CW_IEEE80211_RADIO_TYPE_G		(4<<24)
+#define CW_IEEE80211_RADIO_TYPE_N		(8<<24)
+
+