diff --git a/target/linux/ramips/dts/mt7620a_edimax_br-6478ac-v2.dts b/target/linux/ramips/dts/mt7620a_edimax_br-6478ac-v2.dts
index c0893cd6232..b8292624745 100644
--- a/target/linux/ramips/dts/mt7620a_edimax_br-6478ac-v2.dts
+++ b/target/linux/ramips/dts/mt7620a_edimax_br-6478ac-v2.dts
@@ -211,7 +211,7 @@
 		reg = <0x0000 0 0 0 0>;
 		nvmem-cells = <&eeprom_factory_8000>;
 		nvmem-cell-names = "eeprom";
-		mediatek,2ghz = <0>;
+		ieee80211-freq-limit = <5000000 6000000>;
 	};
 };
 
diff --git a/target/linux/ramips/dts/mt7620a_edimax_ew-7478apc.dts b/target/linux/ramips/dts/mt7620a_edimax_ew-7478apc.dts
index 3a3bc9aec6e..f6aa606917a 100644
--- a/target/linux/ramips/dts/mt7620a_edimax_ew-7478apc.dts
+++ b/target/linux/ramips/dts/mt7620a_edimax_ew-7478apc.dts
@@ -203,7 +203,7 @@
 		reg = <0x0000 0 0 0 0>;
 		nvmem-cells = <&eeprom_factory_8000>;
 		nvmem-cell-names = "eeprom";
-		mediatek,2ghz = <0>;
+		ieee80211-freq-limit = <5000000 6000000>;
 	};
 };