diff --git a/driver/hw_def.h b/driver/hw_def.h
index 95c3c29..c0eda67 100644
--- a/driver/hw_def.h
+++ b/driver/hw_def.h
@@ -58,6 +58,7 @@ enum tx_intf_mode {
 	TX_INTF_BYPASS,
 	TX_INTF_BW_20MHZ_AT_0MHZ_ANT0,
 	TX_INTF_BW_20MHZ_AT_0MHZ_ANT1,
+	TX_INTF_BW_20MHZ_AT_0MHZ_ANT_BOTH,
 	TX_INTF_BW_20MHZ_AT_N_10MHZ_ANT0,
 	TX_INTF_BW_20MHZ_AT_P_10MHZ_ANT0,
 	TX_INTF_BW_20MHZ_AT_N_10MHZ_ANT1,