diff --git a/radio/1.6/IRadioIndication.hal b/radio/1.6/IRadioIndication.hal
new file mode 100644
index 0000000..9951dd9
--- /dev/null
+++ b/radio/1.6/IRadioIndication.hal
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio@1.6;
+
+import @1.5::IRadioIndication;
+
+/**
+ * Interface declaring unsolicited radio indications.
+ */
+interface IRadioIndication extends @1.5::IRadioIndication {
+};