diff --git a/target/linux/ath79/dts/ar7161_netgear_wndr3700.dts b/target/linux/ath79/dts/ar7161_netgear_wndr3700.dts
index 75c68d83c7..38a1140968 100644
--- a/target/linux/ath79/dts/ar7161_netgear_wndr3700.dts
+++ b/target/linux/ath79/dts/ar7161_netgear_wndr3700.dts
@@ -32,3 +32,24 @@
 		read-only;
 	};
 };
+
+&ath9k1 {
+	/* The original WNDR3700(v1) variant have four antennae dedicated
+	 * to the 5GHz radio as well. Again, two antennae are available for
+	 * each chain to switch between. The following configuration is the
+	 * default setting which taken from the vendor's wifi
+	 * code for that radio.
+	 *
+	 * All possible options [GPIO6,GPIO7,GPIO8,GPIO9]:
+	 *	[0,1,0,1], [0,1,1,0], [1,0,0,1], [1,0,1,0]
+	 */
+	antenna-demux {
+		gpio-hog;
+		line-name = "fixed antenna group 2";
+		gpios = <6 GPIO_ACTIVE_LOW>,
+			<7 GPIO_ACTIVE_HIGH>,
+			<8 GPIO_ACTIVE_HIGH>,
+			<9 GPIO_ACTIVE_LOW>;
+		output-high;
+	};
+};
diff --git a/target/linux/ath79/dts/ar7161_netgear_wndr3700.dtsi b/target/linux/ath79/dts/ar7161_netgear_wndr3700.dtsi
index ab4f37da11..f1db1ffd58 100644
--- a/target/linux/ath79/dts/ar7161_netgear_wndr3700.dtsi
+++ b/target/linux/ath79/dts/ar7161_netgear_wndr3700.dtsi
@@ -160,6 +160,25 @@
 		qca,no-eeprom;
 		#gpio-cells = <2>;
 		gpio-controller;
+
+		/* all WNDR3700 variants have four antennae dedicated
+		 * to the 2.4GHz radio. Two antennae are available for
+		 * each chain. The following configuration is the
+		 * default setting which taken from the vendor's wifi
+		 * code for that radio.
+		 *
+		 * All possible options [GPIO6,GPIO7,GPIO8,GPIO9]:
+		 *	[0,1,0,1], [0,1,1,0], [1,0,0,1], [1,0,1,0]
+		 */
+		antenna-demux {
+			gpio-hog;
+			line-name = "fixed antenna group 1";
+			gpios = <6 GPIO_ACTIVE_LOW>,
+				<7 GPIO_ACTIVE_HIGH>,
+				<8 GPIO_ACTIVE_LOW>,
+				<9 GPIO_ACTIVE_HIGH>;
+			output-high;
+		};
 	};
 
 	ath9k1: wifi@0,12 {