diff --git a/src/cc1101.h b/src/cc1101.h
index fe94832..8552919 100755
--- a/src/cc1101.h
+++ b/src/cc1101.h
@@ -39,6 +39,10 @@ enum CFREQ
   CFREQ_915,
   CFREQ_433,
   CFREQ_918,
+  CFREQ_900,
+  CFREQ_1800,
+  CFREQ_2300,
+  CFREQ_2100,
   CFREQ_LAST
 };