diff --git a/Config.h b/Config.h
index 3f3f234..ec12be4 100644
--- a/Config.h
+++ b/Config.h
@@ -34,7 +34,7 @@
 // #define ADF7021_N_VER
 
 // Enable duplex mode with dual ADF7021
-#define DUPLEX
+// #define DUPLEX
 
 // Bidirectional Data pin (Enable Standard TX/RX Data Interface of ADF7021):
 #define BIDIR_DATA_PIN