diff --git a/wifi/1.5/Android.bp b/wifi/1.5/Android.bp
index 4492521..5304760 100644
--- a/wifi/1.5/Android.bp
+++ b/wifi/1.5/Android.bp
@@ -4,6 +4,7 @@
     name: "android.hardware.wifi@1.5",
     root: "android.hardware",
     srcs: [
+        "types.hal",
         "IWifi.hal",
         "IWifiChip.hal",
     ],
diff --git a/wifi/1.5/types.hal b/wifi/1.5/types.hal
new file mode 100644
index 0000000..71f0679
--- /dev/null
+++ b/wifi/1.5/types.hal
@@ -0,0 +1,37 @@
+/*
+ * Copyright 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.wifi@1.5;
+
+import @1.0::WifiBand;
+
+/**
+ * Wifi bands defined in 80211 spec.
+ */
+enum WifiBand : @1.0::WifiBand {
+    /**
+     * 60 GHz.
+     */
+    BAND_60GHZ = 16,
+    /**
+     * 2.4 GHz + 5 GHz no DFS + 6 GHz + 60 GHz.
+     */
+    BAND_24GHZ_5GHZ_6GHZ_60GHZ = 27,
+    /**
+     * 2.4 GHz + 5 GHz with DFS + 6 GHz + 60 GHz.
+     */
+    BAND_24GHZ_5GHZ_WITH_DFS_6GHZ_60GHZ = 31,
+};