diff --git a/radio/1.0/IRadio.hal b/radio/1.0/IRadio.hal
new file mode 100644
index 0000000..7725e63
--- /dev/null
+++ b/radio/1.0/IRadio.hal
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2016 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@1.0;
+
+import IRadioCallback;
+
+interface IRadio {
+    /**
+     * Set callback that has response functions for requests
+     *
+     * @param slotId SIM slot id for which the function is called; needed for multi-sim
+     * @param radioCallback Object containing response callbacks
+     */
+    setCallback(int32_t slotId, IRadioCallback radioCallback);
+
+    /**
+     * Requests status of the ICC card
+     *
+     * Response callback is IRadioCallback.responseGetSimStatus()
+     *
+     * Valid errors:
+     * Must never fail for a valid slot id
+     *
+     * @param slotId SIM slot id for which the function is called; needed for multi-sim
+     * @param serial Serial number of request
+     */
+    oneway requestGetSimStatus(int32_t slotId, int32_t serial);
+};