diff --git a/umac/dfs/dispatcher/inc/wlan_dfs_tgt_api.h b/umac/dfs/dispatcher/inc/wlan_dfs_tgt_api.h
index 0051ba153e..23243a2cff 100644
--- a/umac/dfs/dispatcher/inc/wlan_dfs_tgt_api.h
+++ b/umac/dfs/dispatcher/inc/wlan_dfs_tgt_api.h
@@ -54,14 +54,14 @@
  *
  * ------------------------------32 bits arg----------------------------
  *
- * ------------19 bits-------|--2 bits-|-------8 bits------|1 bit|2 bits|
+ * -------18 bits------|1 bit|--2 bits-|-------8 bits------|1 bit|2 bits|
  * ______________________________________________________________________
- *|                          |   | |   | | | | | | | | | | |     |   |   |
- *|------19 Unused bits------| x | | x |x|x|x| |x|x|x|x| |x|  x  | x | x |
- *|__________________________|___|_|___|_|_|_|_|_|_|_|_|_|_|_____|___|___|
+ *|                    |     |   | |   | | | | | | | | | | |     |   |   |
+ *|---18 Unused bits---|  x  | x | | x |x|x|x| |x|x|x|x| |x|  x  | x | x |
+ *|____________________|_____|___|_|___|_|_|_|_|_|_|_|_|_|_|_____|___|___|
  *
- *                           |_________|___________________|_____|_______|
- *                              det.ID     freq.offset      Chirp  seg.ID
+ *                     |_____|_________|___________________|_____|_______|
+ *                      sign   det.ID     freq.offset       Chirp  seg.ID
  *
  * @DFS_UNIT_TEST_NUM_ARGS:     Number of arguments for bangradar unit test
  *                              command.
@@ -76,14 +76,16 @@ enum {
 	DFS_MAX_NUM_UNIT_TEST_ARGS = DFS_UNIT_TEST_NUM_ARGS
 };
 
-#define SEG_ID_SHIFT         0
-#define IS_CHIRP_SHIFT       2
-#define FREQ_OFF_SHIFT       3
-#define DET_ID_SHIFT        11
-#define SEG_ID_MASK       0x03
-#define IS_CHIRP_MASK     0x01
-#define FREQ_OFFSET_MASK  0xFF
-#define DET_ID_MASK       0x03
+#define SEG_ID_SHIFT               0
+#define IS_CHIRP_SHIFT             2
+#define FREQ_OFF_SHIFT             3
+#define DET_ID_SHIFT              11
+#define FREQ_OFFSET_SIGNBIT_SHIFT 13
+#define SEG_ID_MASK              0x03
+#define IS_CHIRP_MASK            0x01
+#define FREQ_OFFSET_MASK         0xFF
+#define DET_ID_MASK              0x03
+#define FREQ_OFFSET_SIGNBIT_MASK 0x01
 
 /**
  * struct dfs_emulate_bang_radar_test_cmd - Unit test command structure to send