diff --git a/bluetooth/ranging/aidl/default/Android.bp b/bluetooth/ranging/aidl/default/Android.bp
new file mode 100644
index 0000000..5072a43
--- /dev/null
+++ b/bluetooth/ranging/aidl/default/Android.bp
@@ -0,0 +1,29 @@
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+cc_binary {
+    name: "android.hardware.bluetooth.ranging-service.default",
+    relative_install_path: "hw",
+    init_rc: ["bluetooth-ranging-service-default.rc"],
+    vintf_fragments: [":manifest_android.hardware.bluetooth.ranging-service.default.xml"],
+    vendor: true,
+    srcs: [
+        "BluetoothChannelSounding.cpp",
+        "BluetoothChannelSoundingSession.cpp",
+        "service.cpp",
+    ],
+    shared_libs: [
+        "android.hardware.bluetooth.ranging-V1-ndk",
+        "libbase",
+        "libbinder_ndk",
+        "libhidlbase",
+        "libutils",
+        "liblog",
+    ],
+}
+
+filegroup {
+    name: "manifest_android.hardware.bluetooth.ranging-service.default.xml",
+    srcs: ["bluetooth-ranging-service-default.xml"],
+}
diff --git a/bluetooth/ranging/aidl/default/BluetoothChannelSounding.cpp b/bluetooth/ranging/aidl/default/BluetoothChannelSounding.cpp
new file mode 100644
index 0000000..3807d4f
--- /dev/null
+++ b/bluetooth/ranging/aidl/default/BluetoothChannelSounding.cpp
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+
+#include "BluetoothChannelSounding.h"
+
+#include "BluetoothChannelSoundingSession.h"
+
+namespace aidl::android::hardware::bluetooth::ranging::impl {
+
+BluetoothChannelSounding::BluetoothChannelSounding() {}
+BluetoothChannelSounding::~BluetoothChannelSounding() {}
+
+ndk::ScopedAStatus BluetoothChannelSounding::getVendorSpecificData(
+    std::optional<
+        std::vector<std::optional<VendorSpecificData>>>* /*_aidl_return*/) {
+  return ::ndk::ScopedAStatus::ok();
+}
+ndk::ScopedAStatus BluetoothChannelSounding::getSupportedSessionTypes(
+    std::optional<std::vector<SessionType>>* _aidl_return) {
+  std::vector<SessionType> supported_session_types = {};
+  *_aidl_return = supported_session_types;
+  return ::ndk::ScopedAStatus::ok();
+}
+ndk::ScopedAStatus BluetoothChannelSounding::getMaxSupportedCsSecurityLevel(
+    CsSecurityLevel* _aidl_return) {
+  CsSecurityLevel security_level = CsSecurityLevel::NOT_SUPPORTED;
+  *_aidl_return = security_level;
+  return ::ndk::ScopedAStatus::ok();
+}
+ndk::ScopedAStatus BluetoothChannelSounding::openSession(
+    const BluetoothChannelSoundingParameters& /*in_params*/,
+    const std::shared_ptr<IBluetoothChannelSoundingSessionCallback>&
+        in_callback,
+    std::shared_ptr<IBluetoothChannelSoundingSession>* _aidl_return) {
+  if (in_callback == nullptr) {
+    return ndk::ScopedAStatus::fromExceptionCodeWithMessage(
+        EX_ILLEGAL_ARGUMENT, "Invalid nullptr callback");
+  }
+  std::shared_ptr<BluetoothChannelSoundingSession> session = nullptr;
+  session = ndk::SharedRefBase::make<BluetoothChannelSoundingSession>(
+      in_callback, Reason::LOCAL_STACK_REQUEST);
+  *_aidl_return = session;
+  return ::ndk::ScopedAStatus::ok();
+}
+}  // namespace aidl::android::hardware::bluetooth::ranging::impl
diff --git a/bluetooth/ranging/aidl/default/BluetoothChannelSounding.h b/bluetooth/ranging/aidl/default/BluetoothChannelSounding.h
new file mode 100644
index 0000000..d6b5c03
--- /dev/null
+++ b/bluetooth/ranging/aidl/default/BluetoothChannelSounding.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+
+#include <aidl/android/hardware/bluetooth/ranging/BnBluetoothChannelSounding.h>
+
+#include <vector>
+
+namespace aidl::android::hardware::bluetooth::ranging::impl {
+
+using ::aidl::android::hardware::bluetooth::ranging::
+    BluetoothChannelSoundingParameters;
+using ::aidl::android::hardware::bluetooth::ranging::BnBluetoothChannelSounding;
+using ::aidl::android::hardware::bluetooth::ranging::CsSecurityLevel;
+using ::aidl::android::hardware::bluetooth::ranging::
+    IBluetoothChannelSoundingSession;
+using ::aidl::android::hardware::bluetooth::ranging::
+    IBluetoothChannelSoundingSessionCallback;
+using ::aidl::android::hardware::bluetooth::ranging::SessionType;
+using ::aidl::android::hardware::bluetooth::ranging::VendorSpecificData;
+
+class BluetoothChannelSounding : public BnBluetoothChannelSounding {
+ public:
+  BluetoothChannelSounding();
+  ~BluetoothChannelSounding();  // Add the destructor declaration
+  ndk::ScopedAStatus getVendorSpecificData(
+      std::optional<std::vector<std::optional<VendorSpecificData>>>*
+          _aidl_return) override;
+  ndk::ScopedAStatus getSupportedSessionTypes(
+      std::optional<std::vector<SessionType>>* _aidl_return) override;
+  ndk::ScopedAStatus getMaxSupportedCsSecurityLevel(
+      CsSecurityLevel* _aidl_return) override;
+  ndk::ScopedAStatus openSession(
+      const BluetoothChannelSoundingParameters& in_params,
+      const std::shared_ptr<IBluetoothChannelSoundingSessionCallback>&
+          in_callback,
+      std::shared_ptr<IBluetoothChannelSoundingSession>* _aidl_return) override;
+};
+
+}  // namespace aidl::android::hardware::bluetooth::ranging::impl
diff --git a/bluetooth/ranging/aidl/default/BluetoothChannelSoundingSession.cpp b/bluetooth/ranging/aidl/default/BluetoothChannelSoundingSession.cpp
new file mode 100644
index 0000000..6c58a07
--- /dev/null
+++ b/bluetooth/ranging/aidl/default/BluetoothChannelSoundingSession.cpp
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+
+#include "BluetoothChannelSoundingSession.h"
+
+namespace aidl::android::hardware::bluetooth::ranging::impl {
+
+BluetoothChannelSoundingSession::BluetoothChannelSoundingSession(
+    std::shared_ptr<IBluetoothChannelSoundingSessionCallback> callback,
+    Reason reason) {
+  callback_ = callback;
+  callback_->onOpened(reason);
+}
+
+ndk::ScopedAStatus BluetoothChannelSoundingSession::getVendorSpecificReplies(
+    std::optional<
+        std::vector<std::optional<VendorSpecificData>>>* /*_aidl_return*/) {
+  return ::ndk::ScopedAStatus::ok();
+}
+ndk::ScopedAStatus BluetoothChannelSoundingSession::getSupportedResultTypes(
+    std::vector<ResultType>* _aidl_return) {
+  std::vector<ResultType> supported_result_types = {ResultType::RESULT_METERS};
+  *_aidl_return = supported_result_types;
+  return ::ndk::ScopedAStatus::ok();
+}
+ndk::ScopedAStatus BluetoothChannelSoundingSession::isAbortedProcedureRequired(
+    bool* _aidl_return) {
+  *_aidl_return = false;
+  return ::ndk::ScopedAStatus::ok();
+}
+ndk::ScopedAStatus BluetoothChannelSoundingSession::writeRawData(
+    const ChannelSoudingRawData& /*in_rawData*/) {
+  RangingResult ranging_result;
+  ranging_result.resultMeters = 0.0;
+  callback_->onResult(ranging_result);
+  return ::ndk::ScopedAStatus::ok();
+}
+ndk::ScopedAStatus BluetoothChannelSoundingSession::close(Reason in_reason) {
+  callback_->onClose(in_reason);
+  return ::ndk::ScopedAStatus::ok();
+}
+}  // namespace aidl::android::hardware::bluetooth::ranging::impl
diff --git a/bluetooth/ranging/aidl/default/BluetoothChannelSoundingSession.h b/bluetooth/ranging/aidl/default/BluetoothChannelSoundingSession.h
new file mode 100644
index 0000000..6703f7f
--- /dev/null
+++ b/bluetooth/ranging/aidl/default/BluetoothChannelSoundingSession.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+
+#include <aidl/android/hardware/bluetooth/ranging/BnBluetoothChannelSoundingSession.h>
+#include <aidl/android/hardware/bluetooth/ranging/IBluetoothChannelSoundingSessionCallback.h>
+
+#include <vector>
+
+namespace aidl::android::hardware::bluetooth::ranging::impl {
+
+using ::aidl::android::hardware::bluetooth::ranging::ChannelSoudingRawData;
+using ::aidl::android::hardware::bluetooth::ranging::Reason;
+using ::aidl::android::hardware::bluetooth::ranging::ResultType;
+using ::aidl::android::hardware::bluetooth::ranging::VendorSpecificData;
+
+class BluetoothChannelSoundingSession
+    : public BnBluetoothChannelSoundingSession {
+ public:
+  BluetoothChannelSoundingSession(
+      std::shared_ptr<IBluetoothChannelSoundingSessionCallback> callback,
+      Reason reason);
+
+  ndk::ScopedAStatus getVendorSpecificReplies(
+      std::optional<std::vector<std::optional<VendorSpecificData>>>*
+          _aidl_return) override;
+  ndk::ScopedAStatus getSupportedResultTypes(
+      std::vector<ResultType>* _aidl_return) override;
+  ndk::ScopedAStatus isAbortedProcedureRequired(bool* _aidl_return) override;
+  ndk::ScopedAStatus writeRawData(
+      const ChannelSoudingRawData& in_rawData) override;
+  ndk::ScopedAStatus close(Reason in_reason) override;
+
+ private:
+  std::shared_ptr<IBluetoothChannelSoundingSessionCallback> callback_;
+};
+
+}  // namespace aidl::android::hardware::bluetooth::ranging::impl
diff --git a/bluetooth/ranging/aidl/default/bluetooth-ranging-service-default.rc b/bluetooth/ranging/aidl/default/bluetooth-ranging-service-default.rc
new file mode 100644
index 0000000..fabb409
--- /dev/null
+++ b/bluetooth/ranging/aidl/default/bluetooth-ranging-service-default.rc
@@ -0,0 +1,6 @@
+service vendor.bluetooth.ranging-default /vendor/bin/hw/android.hardware.bluetooth.ranging-service.default
+    class hal
+    capabilities BLOCK_SUSPEND NET_ADMIN SYS_NICE
+    user bluetooth
+    group bluetooth
+    task_profiles HighPerformance
diff --git a/bluetooth/ranging/aidl/default/bluetooth-ranging-service-default.xml b/bluetooth/ranging/aidl/default/bluetooth-ranging-service-default.xml
new file mode 100644
index 0000000..fe3613d
--- /dev/null
+++ b/bluetooth/ranging/aidl/default/bluetooth-ranging-service-default.xml
@@ -0,0 +1,7 @@
+<manifest version="1.0" type="device">
+    <hal format="aidl">
+        <name>android.hardware.bluetooth.ranging</name>
+        <version>1</version>
+        <fqname>IBluetoothChannelSounding/default</fqname>
+    </hal>
+</manifest>
diff --git a/bluetooth/ranging/aidl/default/service.cpp b/bluetooth/ranging/aidl/default/service.cpp
new file mode 100644
index 0000000..83e539e
--- /dev/null
+++ b/bluetooth/ranging/aidl/default/service.cpp
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+
+#define LOG_TAG "aidl.android.hardware.bluetooth.ranging.service.default"
+
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+#include <utils/Log.h>
+
+#include "BluetoothChannelSounding.h"
+#include "BluetoothChannelSoundingSession.h"
+
+using ::aidl::android::hardware::bluetooth::ranging::impl::
+    BluetoothChannelSounding;
+
+int main(int /* argc */, char** /* argv */) {
+  ALOGI("Bluetooth Ranging HAL registering");
+  if (!ABinderProcess_setThreadPoolMaxThreadCount(0)) {
+    ALOGE("Failed to set thread pool max thread count");
+    return 1;
+  }
+
+  std::shared_ptr<BluetoothChannelSounding> service =
+      ndk::SharedRefBase::make<BluetoothChannelSounding>();
+  std::string instance =
+      std::string() + BluetoothChannelSounding::descriptor + "/default";
+  auto result =
+      AServiceManager_addService(service->asBinder().get(), instance.c_str());
+  if (result == STATUS_OK) {
+    ABinderProcess_joinThreadPool();
+  } else {
+    ALOGE("Could not register as a service!");
+  }
+  return 0;
+}