diff --git a/target/linux/ramips/dts/ArcherC20i.dts b/target/linux/ramips/dts/ArcherC20i.dts
index b44c161fa1c..a4b694125ce 100644
--- a/target/linux/ramips/dts/ArcherC20i.dts
+++ b/target/linux/ramips/dts/ArcherC20i.dts
@@ -153,5 +153,6 @@
 	mt76@0,0 {
 		reg = <0x0000 0 0 0 0>;
 		mediatek,mtd-eeprom = <&radio 32768>;
+		ieee80211-freq-limit = <5000000 6000000>;
 	};
 };