diff --git a/umac/dfs/core/src/dfs_internal.h b/umac/dfs/core/src/dfs_internal.h
index 07ff4b1670e4..33bcb7514375 100644
--- a/umac/dfs/core/src/dfs_internal.h
+++ b/umac/dfs/core/src/dfs_internal.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2017 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2016-2019 The Linux Foundation. All rights reserved.
  * Copyright (c) 2008 Atheros Communications, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for
@@ -36,6 +36,7 @@
  * @DFS_MKK4_DOMAIN: MKK domain
  * @DFS_CN_DOMAIN: China domain
  * @DFS_KR_DOMAIN: Korea domain
+ * @DFS_MKKN_DOMAIN: MKKN domain
  * @DFS_UNDEF_DOMAIN: Undefined domain
  */
 enum DFS_DOMAIN {
@@ -45,6 +46,7 @@ enum DFS_DOMAIN {
 	DFS_MKK4_DOMAIN   = 3,
 	DFS_CN_DOMAIN     = 4,
 	DFS_KR_DOMAIN     = 5,
+	DFS_MKKN_DOMAIN   = 6,
 	DFS_UNDEF_DOMAIN
 };
 
diff --git a/umac/dfs/core/src/filtering/dfs_partial_offload_radar.c b/umac/dfs/core/src/filtering/dfs_partial_offload_radar.c
index 12ed4458f48f..662fbb57691e 100644
--- a/umac/dfs/core/src/filtering/dfs_partial_offload_radar.c
+++ b/umac/dfs/core/src/filtering/dfs_partial_offload_radar.c
@@ -96,6 +96,16 @@ static struct dfs_pulse dfs_mkk4_radars[] = {
 	{16, 15, 2000, 5000, 0,  4,  7, 11, 23, 22,  0, 3, 0, 5, 0, 11},
 };
 
+/**
+ * struct dfs_pulse dfs_mkkn_radars - MKKN radar table for Offload chipsets.
+ */
+static struct dfs_pulse dfs_mkkn_radars[] = {
+	/** Since the table is empty  no new radar type shall be detected.
+	 * New filters shall be added to this tables after proper testing
+	 * and verification.
+	 */
+};
+
 /**
  * struct dfs_bin5pulse dfs_fcc_bin5pulses - FCC BIN5 pulses for Offload
  *                                           chipsets.
@@ -406,6 +416,14 @@ void dfs_get_po_radars(struct wlan_dfs *dfs)
 		rinfo.b5pulses = NULL;
 		rinfo.numb5radars = 0;
 		break;
+	case DFS_MKKN_DOMAIN:
+		dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS, "MKKN domain");
+		rinfo.dfsdomain = DFS_MKKN_DOMAIN;
+		rinfo.dfs_radars = dfs_mkkn_radars;
+		rinfo.numradars = QDF_ARRAY_SIZE(dfs_mkkn_radars);
+		rinfo.b5pulses = NULL;
+		rinfo.numb5radars = 0;
+		break;
 	case DFS_MKK4_DOMAIN:
 		dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS, "MKK4 domain");
 		rinfo.dfsdomain = DFS_MKK4_DOMAIN;
diff --git a/umac/regulatory/core/src/reg_db.c b/umac/regulatory/core/src/reg_db.c
index f780496f5030..e3cf2f7f984d 100644
--- a/umac/regulatory/core/src/reg_db.c
+++ b/umac/regulatory/core/src/reg_db.c
@@ -1480,7 +1480,7 @@ const struct regdomain regdomains_5g[] = {
 
 	[MKK16] = {CTL_MKK, DFS_MKK_REGION, 2, 0, 1, {CHAN_5490_5710_6} },
 
-	[MKK17] = {CTL_MKK, DFS_MKK_REGION, 2, 0, 3, {CHAN_5170_5250_8,
+	[MKK17] = {CTL_MKK, DFS_MKKN_REGION, 2, 0, 3, {CHAN_5170_5250_8,
 						      CHAN_5250_5330_12,
 						      CHAN_5490_5730_6} },
 
diff --git a/umac/regulatory/core/src/reg_services_common.c b/umac/regulatory/core/src/reg_services_common.c
index 6dd71f81c575..9580427f20a1 100644
--- a/umac/regulatory/core/src/reg_services_common.c
+++ b/umac/regulatory/core/src/reg_services_common.c
@@ -998,6 +998,7 @@ void reg_init_channel_map(enum dfs_reg dfs_region)
 		channel_map = channel_map_eu;
 		break;
 	case DFS_MKK_REGION:
+	case DFS_MKKN_REGION:
 		channel_map = channel_map_jp;
 		break;
 	case DFS_CN_REGION:
diff --git a/umac/regulatory/dispatcher/inc/reg_services_public_struct.h b/umac/regulatory/dispatcher/inc/reg_services_public_struct.h
index 979f173b237e..d4db425a8cdd 100644
--- a/umac/regulatory/dispatcher/inc/reg_services_public_struct.h
+++ b/umac/regulatory/dispatcher/inc/reg_services_public_struct.h
@@ -68,6 +68,9 @@
  * @DFS_MKK_REGION: MKK region
  * @DFS_CN_REGION: China region
  * @DFS_KR_REGION: Korea region
+ * @DFS_MKK_REGION: MKKN region
+ * that supports updated W53 RADAR pattern
+ * detection.
  * @DFS_UNDEF_REGION: Undefined region
  */
 enum dfs_reg {
@@ -77,6 +80,7 @@ enum dfs_reg {
 	DFS_MKK_REGION = 3,
 	DFS_CN_REGION = 4,
 	DFS_KR_REGION = 5,
+	DFS_MKKN_REGION = 6,
 	DFS_UNDEF_REGION = 0xFFFF,
 };