diff --git a/dm/dmtree/tr181/wifi.c b/dm/dmtree/tr181/wifi.c
index d3651e4..f0c22ad 100644
--- a/dm/dmtree/tr181/wifi.c
+++ b/dm/dmtree/tr181/wifi.c
@@ -177,6 +177,10 @@ int get_radio_frequency(char *refparam, struct dmctx *ctx, char **value)
 	dmubus_call("router", "wl", UBUS_ARGS{{"vif", wlan_name}}, 1, &res);
 	DM_ASSERT(res, *value = "");
 	json_select(res, "frequency", 0, NULL, &freq, NULL);
+	if(strcmp(freq, "2") ==0 ) {
+		dmastrcat(value, freq, ".4GHz");  // MEM WILL BE FREED IN DMMEMCLEAN
+		return 0;
+	}
 	dmastrcat(value, freq, "GHz");  // MEM WILL BE FREED IN DMMEMCLEAN
 	return 0;
 }