diff --git a/arch/riscv/boot/dts/thead/overlays/Makefile b/arch/riscv/boot/dts/thead/overlays/Makefile
index 7056b7862..1284c9179 100644
--- a/arch/riscv/boot/dts/thead/overlays/Makefile
+++ b/arch/riscv/boot/dts/thead/overlays/Makefile
@@ -5,7 +5,8 @@ dtbo-$(CONFIG_SOC_THEAD) += \
 	BBORG_RELAY-00A2.dtbo	\
 	BONE-LED_P8_03.dtbo	\
 	BONE-LED_P9_11.dtbo	\
-	BVA-MIKROBUS-0.dtbo
+	BVA-MIKROBUS-0.dtbo \
+	meles-wifibt-external-antenna.dtbo
 
 targets += dtbs dtbs_install
 targets += $(dtbo-y)
diff --git a/arch/riscv/boot/dts/thead/overlays/meles-wifibt-external-antenna.dts b/arch/riscv/boot/dts/thead/overlays/meles-wifibt-external-antenna.dts
new file mode 100644
index 000000000..b55e710d5
--- /dev/null
+++ b/arch/riscv/boot/dts/thead/overlays/meles-wifibt-external-antenna.dts
@@ -0,0 +1,28 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	fragment@0 {
+		target-path = "/";
+
+		__overlay__ {
+			ext_antenna: ext-antenna {
+				status = "okay";
+				compatible = "regulator-fixed";
+				enable-active-low;
+				gpio = <&gpio1_porta 24 1>;
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-name = "ext_antenna";
+			};
+		};
+	};
+
+	fragment@1 {
+		target = <&board_antenna>;
+
+		__overlay__ {
+			status = "disabled";
+		};
+	};
+};
diff --git a/arch/riscv/boot/dts/thead/th1520-milkv-meles.dts b/arch/riscv/boot/dts/thead/th1520-milkv-meles.dts
index f44e5c7d6..b6a2ba426 100644
--- a/arch/riscv/boot/dts/thead/th1520-milkv-meles.dts
+++ b/arch/riscv/boot/dts/thead/th1520-milkv-meles.dts
@@ -285,6 +285,16 @@
 		status = "okay";
 	};
 
+	board_antenna: board-antenna {
+		status = "okay";
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio1_porta 24 0>;
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-name = "board_antenna";
+	};
+
 	aon {
 		compatible = "thead,light-aon";
 		mbox-names = "aon";