diff --git a/target/linux/ath79/dts/qca9563_ubnt_uk-ultra.dts b/target/linux/ath79/dts/qca9563_ubnt_uk-ultra.dts
new file mode 100644
index 0000000000..1ba635117e
--- /dev/null
+++ b/target/linux/ath79/dts/qca9563_ubnt_uk-ultra.dts
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include "qca9563_ubnt_unifiac-lite.dtsi"
+
+/ {
+	compatible = "ubnt,uk-ultra", "qca,qca9563";
+	model = "Ubiquiti UniFi Swiss Army Knife Ultra";
+};
+
+&leds {
+	led-rssi0 {
+		label = "white:rssi0";
+		gpios = <&gpio 21 GPIO_ACTIVE_HIGH>;
+	};
+
+	led-rssi1 {
+		label = "white:rssi1";
+		gpios = <&gpio 20 GPIO_ACTIVE_HIGH>;
+	};
+
+	led-rssi2 {
+		label = "white:rssi2";
+		gpios = <&gpio 15 GPIO_ACTIVE_HIGH>;
+	};
+
+	led-rssi3 {
+		label = "white:rssi3";
+		gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+/**
+ * Antenna selection on GPIO5 and GPIO6
+ * High = Internal ; Low = External
+ */
diff --git a/target/linux/ath79/dts/qca9563_ubnt_unifiac.dtsi b/target/linux/ath79/dts/qca9563_ubnt_unifiac.dtsi
index da01251f3b..60d6fbc895 100644
--- a/target/linux/ath79/dts/qca9563_ubnt_unifiac.dtsi
+++ b/target/linux/ath79/dts/qca9563_ubnt_unifiac.dtsi
@@ -13,7 +13,7 @@
 		led-upgrade = &led_blue;
 	};
 
-	leds {
+	leds: leds {
 		compatible = "gpio-leds";
 
 		led_white: led_white {
diff --git a/target/linux/ath79/generic/base-files/etc/board.d/01_leds b/target/linux/ath79/generic/base-files/etc/board.d/01_leds
index 615abe4b3b..ae6e3c4d30 100644
--- a/target/linux/ath79/generic/base-files/etc/board.d/01_leds
+++ b/target/linux/ath79/generic/base-files/etc/board.d/01_leds
@@ -516,6 +516,13 @@ ubnt,rocket-m)
 	ucidef_set_led_rssi "rssimediumhigh" "RSSIMEDIUMHIGH" "green:link3" "wlan0" "51" "100"
 	ucidef_set_led_rssi "rssihigh" "RSSIHIGH" "green:link4" "wlan0" "76" "100"
 	;;
+ubnt,uk-ultra)
+	ucidef_set_rssimon "wlan0" "200000" "1"
+	ucidef_set_led_rssi "rssilow" "RSSILOW" "white:rssi0" "wlan0" "1" "100"
+	ucidef_set_led_rssi "rssimediumlow" "RSSIMEDIUMLOW" "white:rssi1" "wlan0" "26" "100"
+	ucidef_set_led_rssi "rssimediumhigh" "RSSIMEDIUMHIGH" "white:rssi2" "wlan0" "51" "100"
+	ucidef_set_led_rssi "rssihigh" "RSSIHIGH" "white:rssi3" "wlan0" "76" "100"
+	;;
 wallys,dr531)
 	ucidef_set_led_netdev "lan" "LAN" "green:lan" "eth0"
 	ucidef_set_led_switch "wan" "WAN" "green:wan" "switch0" "0x2"
diff --git a/target/linux/ath79/generic/base-files/etc/board.d/02_network b/target/linux/ath79/generic/base-files/etc/board.d/02_network
index b74a7ff6b4..70bfd95f9e 100644
--- a/target/linux/ath79/generic/base-files/etc/board.d/02_network
+++ b/target/linux/ath79/generic/base-files/etc/board.d/02_network
@@ -116,6 +116,7 @@ ath79_setup_interfaces()
 	ubnt,powerbridge-m|\
 	ubnt,rocket-5ac-lite|\
 	ubnt,rocket-m|\
+	ubnt,uk-ultra|\
 	ubnt,unifiac-lite|\
 	ubnt,unifiac-lr|\
 	ubnt,unifiac-mesh|\
diff --git a/target/linux/ath79/generic/base-files/etc/board.d/03_gpio_switches b/target/linux/ath79/generic/base-files/etc/board.d/03_gpio_switches
index 899a8ba97e..279f518409 100644
--- a/target/linux/ath79/generic/base-files/etc/board.d/03_gpio_switches
+++ b/target/linux/ath79/generic/base-files/etc/board.d/03_gpio_switches
@@ -92,6 +92,10 @@ ubnt,nanostation-m)
 ubnt,nanostation-m-xw)
 	ucidef_add_gpio_switch "poe_passthrough" "PoE Passthrough" "2"
 	;;
+ubnt,uk-ultra)
+	ucidef_add_gpio_switch "ant0_internal" "ANT0 Internal" "5" "1"
+	ucidef_add_gpio_switch "ant1_internal" "ANT1 Internal" "6" "1"
+	;;
 zbtlink,zbt-wd323)
 	ucidef_add_gpio_switch "io0" "IO#0" "0"
 	ucidef_add_gpio_switch "io1" "IO#1" "1"
diff --git a/target/linux/ath79/generic/base-files/etc/hotplug.d/firmware/11-ath10k-caldata b/target/linux/ath79/generic/base-files/etc/hotplug.d/firmware/11-ath10k-caldata
index dd627ad2d6..1acbf35947 100644
--- a/target/linux/ath79/generic/base-files/etc/hotplug.d/firmware/11-ath10k-caldata
+++ b/target/linux/ath79/generic/base-files/etc/hotplug.d/firmware/11-ath10k-caldata
@@ -37,6 +37,7 @@ case "$FIRMWARE" in
 	sophos,ap100|\
 	sophos,ap100c|\
 	ubnt,bullet-ac|\
+	ubnt,uk-ultra|\
 	ubnt,unifiac-lite|\
 	ubnt,unifiac-lr|\
 	ubnt,unifiac-mesh|\
diff --git a/target/linux/ath79/image/generic-ubnt.mk b/target/linux/ath79/image/generic-ubnt.mk
index 92b764c389..68cef7d14b 100644
--- a/target/linux/ath79/image/generic-ubnt.mk
+++ b/target/linux/ath79/image/generic-ubnt.mk
@@ -229,6 +229,13 @@ define Device/ubnt_routerstation-pro
 endef
 TARGET_DEVICES += ubnt_routerstation-pro
 
+define Device/ubnt_uk-ultra
+  $(Device/ubnt_unifiac)
+  DEVICE_MODEL := UniFi Swiss Army Knife Ultra
+  DEVICE_PACKAGES += rssileds -swconfig
+endef
+TARGET_DEVICES += ubnt_uk-ultra
+
 define Device/ubnt_unifi-ap
   $(Device/ubnt-bz)
   DEVICE_MODEL := UniFi AP