diff --git a/target/linux/ath79/dts/qca9531_mikrotik_routerboard-951ui-2nd.dts b/target/linux/ath79/dts/qca9531_mikrotik_routerboard-951ui-2nd.dts
new file mode 100644
index 0000000000..dd9af40f47
--- /dev/null
+++ b/target/linux/ath79/dts/qca9531_mikrotik_routerboard-951ui-2nd.dts
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include "qca9533_mikrotik_routerboard-95x.dtsi"
+
+/ {
+	compatible = "mikrotik,routerboard-951ui-2nd", "qca,qca9531";
+	model = "MikroTik RouterBOARD 951Ui-2nD (hAP)";
+};
diff --git a/target/linux/ath79/image/mikrotik.mk b/target/linux/ath79/image/mikrotik.mk
index 869c466278..d8ae726e87 100644
--- a/target/linux/ath79/image/mikrotik.mk
+++ b/target/linux/ath79/image/mikrotik.mk
@@ -38,6 +38,15 @@ define Device/mikrotik_routerboard-922uags-5hpacd
 endef
 TARGET_DEVICES += mikrotik_routerboard-922uags-5hpacd
 
+define Device/mikrotik_routerboard-951ui-2nd
+  $(Device/mikrotik_nor)
+  SOC := qca9531
+  DEVICE_MODEL := RouterBOARD 951Ui-2nD (hAP)
+  IMAGE_SIZE := 16256k
+  SUPPORTED_DEVICES += rb-951ui-2nd
+endef
+TARGET_DEVICES += mikrotik_routerboard-951ui-2nd
+
 define Device/mikrotik_routerboard-952ui-5ac2nd
   $(Device/mikrotik_nor)
   SOC := qca9533
diff --git a/target/linux/ath79/mikrotik/base-files/etc/board.d/01_leds b/target/linux/ath79/mikrotik/base-files/etc/board.d/01_leds
index baf6d00412..edb83b9baa 100644
--- a/target/linux/ath79/mikrotik/base-files/etc/board.d/01_leds
+++ b/target/linux/ath79/mikrotik/base-files/etc/board.d/01_leds
@@ -6,6 +6,7 @@ board_config_update
 board=$(board_name)
 
 case "$board" in
+mikrotik,routerboard-951ui-2nd|\
 mikrotik,routerboard-952ui-5ac2nd)
 	ucidef_set_led_netdev "port1" "port1" "green:port1" "eth1"
 	ucidef_set_led_switch "port2" "port2" "green:port2" "switch0" "0x10"
diff --git a/target/linux/ath79/mikrotik/base-files/etc/board.d/02_network b/target/linux/ath79/mikrotik/base-files/etc/board.d/02_network
index 9417e839e4..b05a41ec36 100644
--- a/target/linux/ath79/mikrotik/base-files/etc/board.d/02_network
+++ b/target/linux/ath79/mikrotik/base-files/etc/board.d/02_network
@@ -24,6 +24,7 @@ ath79_setup_interfaces()
 	mikrotik,routerboard-wapr-2nd)
 		ucidef_set_interface_lan "eth0"
 		;;
+	mikrotik,routerboard-951ui-2nd|\
 	mikrotik,routerboard-952ui-5ac2nd)
 		ucidef_set_interface_wan "eth1"
 		ucidef_add_switch "switch0" \
diff --git a/target/linux/ath79/mikrotik/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom b/target/linux/ath79/mikrotik/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
index b5651f15e8..0baed0665c 100644
--- a/target/linux/ath79/mikrotik/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
+++ b/target/linux/ath79/mikrotik/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
@@ -35,6 +35,7 @@ case "$FIRMWARE" in
 	mikrotik,routerboard-wap-g-5hact2hnd)
 		caldata_mikrotik_ath9k 0x1000 0x440 $(macaddr_add "$mac_base" 2)
 		;;
+	mikrotik,routerboard-951ui-2nd|\
 	mikrotik,routerboard-952ui-5ac2nd)
 		caldata_mikrotik_ath9k 0x1000 0x440 $(macaddr_add "$mac_base" 6)
 		;;
diff --git a/target/linux/ath79/mikrotik/base-files/etc/hotplug.d/firmware/11-ath10k-caldata b/target/linux/ath79/mikrotik/base-files/etc/hotplug.d/firmware/11-ath10k-caldata
index 32fc4a6f6d..5b918d966c 100644
--- a/target/linux/ath79/mikrotik/base-files/etc/hotplug.d/firmware/11-ath10k-caldata
+++ b/target/linux/ath79/mikrotik/base-files/etc/hotplug.d/firmware/11-ath10k-caldata
@@ -12,6 +12,7 @@ case "$FIRMWARE" in
 "ath10k/cal-pci-0000:00:00.0.bin")
 	case $board in
 	mikrotik,routerboard-921gs-5hpacd-15s|\
+	mikrotik,routerboard-951ui-2nd|\
 	mikrotik,routerboard-952ui-5ac2nd|\
 	mikrotik,routerboard-962uigs-5hact2hnt|\
 	mikrotik,routerboard-wap-g-5hact2hnd)