diff --git a/radio/aidl/compat/libradiocompat/Android.bp b/radio/aidl/compat/libradiocompat/Android.bp
index bf2c80c..0e6496a 100644
--- a/radio/aidl/compat/libradiocompat/Android.bp
+++ b/radio/aidl/compat/libradiocompat/Android.bp
@@ -37,6 +37,7 @@
         "android.hardware.radio.config@1.1",
         "android.hardware.radio.config@1.2",
         "android.hardware.radio.config@1.3",
+        "android.hardware.radio.data-V1-ndk",
         "android.hardware.radio.messaging-V1-ndk",
         "android.hardware.radio.sim-V1-ndk",
         "android.hardware.radio@1.0",
@@ -60,6 +61,10 @@
         "config/RadioConfigIndication.cpp",
         "config/RadioConfigResponse.cpp",
         "config/structs.cpp",
+        "data/RadioIndication-data.cpp",
+        "data/RadioResponse-data.cpp",
+        "data/RadioData.cpp",
+        "data/structs.cpp",
         "messaging/RadioIndication-messaging.cpp",
         "messaging/RadioMessaging.cpp",
         "messaging/RadioResponse-messaging.cpp",
diff --git a/radio/aidl/compat/libradiocompat/RadioIndication.cpp b/radio/aidl/compat/libradiocompat/RadioIndication.cpp
index 69836e2..b6a7e72 100644
--- a/radio/aidl/compat/libradiocompat/RadioIndication.cpp
+++ b/radio/aidl/compat/libradiocompat/RadioIndication.cpp
@@ -44,11 +44,6 @@
     return {};
 }
 
-Return<void> RadioIndication::dataCallListChanged(
-        V1_0::RadioIndicationType type, const hidl_vec<V1_0::SetupDataCallResult>& dcList) {
-    return {};
-}
-
 Return<void> RadioIndication::suppSvcNotify(V1_0::RadioIndicationType type,
                                             const V1_0::SuppSvcNotification& suppSvc) {
     return {};
@@ -151,11 +146,6 @@
     return {};
 }
 
-Return<void> RadioIndication::pcoData(V1_0::RadioIndicationType type,
-                                      const V1_0::PcoDataInfo& pco) {
-    return {};
-}
-
 Return<void> RadioIndication::modemReset(V1_0::RadioIndicationType type,
                                          const hidl_string& reason) {
     return {};
@@ -166,11 +156,6 @@
     return {};
 }
 
-Return<void> RadioIndication::keepaliveStatus(V1_0::RadioIndicationType type,
-                                              const V1_1::KeepaliveStatus& status) {
-    return {};
-}
-
 Return<void> RadioIndication::networkScanResult_1_2(V1_0::RadioIndicationType type,
                                                     const V1_2::NetworkScanResult& result) {
     return {};
@@ -216,11 +201,6 @@
     return {};
 }
 
-Return<void> RadioIndication::dataCallListChanged_1_4(
-        V1_0::RadioIndicationType type, const hidl_vec<V1_4::SetupDataCallResult>& dcList) {
-    return {};
-}
-
 Return<void> RadioIndication::currentSignalStrength_1_4(
         V1_0::RadioIndicationType type, const V1_4::SignalStrength& signalStrength) {
     return {};
@@ -249,21 +229,6 @@
     return {};
 }
 
-Return<void> RadioIndication::dataCallListChanged_1_5(
-        V1_0::RadioIndicationType type, const hidl_vec<V1_5::SetupDataCallResult>& dcList) {
-    return {};
-}
-
-Return<void> RadioIndication::dataCallListChanged_1_6(
-        V1_0::RadioIndicationType type, const hidl_vec<V1_6::SetupDataCallResult>& dcList) {
-    return {};
-}
-
-Return<void> RadioIndication::unthrottleApn(V1_0::RadioIndicationType type,
-                                            const hidl_string& apn) {
-    return {};
-}
-
 Return<void> RadioIndication::currentLinkCapacityEstimate_1_6(
         V1_0::RadioIndicationType type, const V1_6::LinkCapacityEstimate& lce) {
     return {};
diff --git a/radio/aidl/compat/libradiocompat/RadioResponse.cpp b/radio/aidl/compat/libradiocompat/RadioResponse.cpp
index 587e497..0a38d8c 100644
--- a/radio/aidl/compat/libradiocompat/RadioResponse.cpp
+++ b/radio/aidl/compat/libradiocompat/RadioResponse.cpp
@@ -28,6 +28,7 @@
 Return<void> RadioResponse::acknowledgeRequest(int32_t serial) {
     LOG_CALL << serial;
     // TODO(b/203699028): send to correct requestor or confirm if spam is not a problem
+    if (mDataCb) mDataCb->acknowledgeRequest(serial);
     if (mMessagingCb) mMessagingCb->acknowledgeRequest(serial);
     if (mSimCb) mSimCb->acknowledgeRequest(serial);
     return {};
@@ -107,11 +108,6 @@
     return {};
 }
 
-Return<void> RadioResponse::setupDataCallResponse(const V1_0::RadioResponseInfo& info,
-                                                  const V1_0::SetupDataCallResult& dcResponse) {
-    return {};
-}
-
 Return<void> RadioResponse::getClirResponse(const V1_0::RadioResponseInfo& info, int32_t n,
                                             int32_t m) {
     return {};
@@ -143,10 +139,6 @@
     return {};
 }
 
-Return<void> RadioResponse::deactivateDataCallResponse(const V1_0::RadioResponseInfo& info) {
-    return {};
-}
-
 Return<void> RadioResponse::setBarringPasswordResponse(const V1_0::RadioResponseInfo& info) {
     return {};
 }
@@ -201,11 +193,6 @@
     return {};
 }
 
-Return<void> RadioResponse::getDataCallListResponse(
-        const V1_0::RadioResponseInfo& info, const hidl_vec<V1_0::SetupDataCallResult>& dcResp) {
-    return {};
-}
-
 Return<void> RadioResponse::setSuppServiceNotificationsResponse(
         const V1_0::RadioResponseInfo& info) {
     return {};
@@ -306,10 +293,6 @@
     return {};
 }
 
-Return<void> RadioResponse::setInitialAttachApnResponse(const V1_0::RadioResponseInfo& info) {
-    return {};
-}
-
 Return<void> RadioResponse::getImsRegistrationStateResponse(  //
         const V1_0::RadioResponseInfo& info, bool isRegd, V1_0::RadioTechnologyFamily ratFamily) {
     return {};
@@ -332,19 +315,11 @@
     return {};
 }
 
-Return<void> RadioResponse::setDataAllowedResponse(const V1_0::RadioResponseInfo& info) {
-    return {};
-}
-
 Return<void> RadioResponse::getHardwareConfigResponse(
         const V1_0::RadioResponseInfo& info, const hidl_vec<V1_0::HardwareConfig>& config) {
     return {};
 }
 
-Return<void> RadioResponse::setDataProfileResponse(const V1_0::RadioResponseInfo& info) {
-    return {};
-}
-
 Return<void> RadioResponse::requestShutdownResponse(const V1_0::RadioResponseInfo& info) {
     return {};
 }
@@ -395,15 +370,6 @@
     return {};
 }
 
-Return<void> RadioResponse::startKeepaliveResponse(const V1_0::RadioResponseInfo& info,
-                                                   const V1_1::KeepaliveStatus& status) {
-    return {};
-}
-
-Return<void> RadioResponse::stopKeepaliveResponse(const V1_0::RadioResponseInfo& info) {
-    return {};
-}
-
 Return<void> RadioResponse::getCellInfoListResponse_1_2(const V1_0::RadioResponseInfo& info,
                                                         const hidl_vec<V1_2::CellInfo>& cellInfo) {
     return {};
@@ -482,17 +448,6 @@
     return {};
 }
 
-Return<void> RadioResponse::getDataCallListResponse_1_4(
-        const V1_0::RadioResponseInfo& info,
-        const hidl_vec<V1_4::SetupDataCallResult>& dcResponse) {
-    return {};
-}
-
-Return<void> RadioResponse::setupDataCallResponse_1_4(const V1_0::RadioResponseInfo& info,
-                                                      const V1_4::SetupDataCallResult& dcResponse) {
-    return {};
-}
-
 Return<void> RadioResponse::getSignalStrengthResponse_1_4(
         const V1_0::RadioResponseInfo& info, const V1_4::SignalStrength& signalStrength) {
     return {};
@@ -517,25 +472,6 @@
     return {};
 }
 
-Return<void> RadioResponse::setupDataCallResponse_1_5(const V1_0::RadioResponseInfo& info,
-                                                      const V1_5::SetupDataCallResult& dcResponse) {
-    return {};
-}
-
-Return<void> RadioResponse::getDataCallListResponse_1_5(
-        const V1_0::RadioResponseInfo& info,
-        const hidl_vec<V1_5::SetupDataCallResult>& dcResponse) {
-    return {};
-}
-
-Return<void> RadioResponse::setInitialAttachApnResponse_1_5(const V1_0::RadioResponseInfo& info) {
-    return {};
-}
-
-Return<void> RadioResponse::setDataProfileResponse_1_5(const V1_0::RadioResponseInfo& info) {
-    return {};
-}
-
 Return<void> RadioResponse::setRadioPowerResponse_1_5(const V1_0::RadioResponseInfo& info) {
     return {};
 }
@@ -574,17 +510,6 @@
     return {};
 }
 
-Return<void> RadioResponse::setupDataCallResponse_1_6(const V1_6::RadioResponseInfo& info,
-                                                      const V1_6::SetupDataCallResult& dcResponse) {
-    return {};
-}
-
-Return<void> RadioResponse::getDataCallListResponse_1_6(
-        const V1_6::RadioResponseInfo& info,
-        const hidl_vec<V1_6::SetupDataCallResult>& dcResponse) {
-    return {};
-}
-
 Return<void> RadioResponse::setNrDualConnectivityStateResponse(
         const V1_6::RadioResponseInfo& info) {
     return {};
@@ -595,23 +520,6 @@
     return {};
 }
 
-Return<void> RadioResponse::allocatePduSessionIdResponse(const V1_6::RadioResponseInfo& info,
-                                                         int32_t id) {
-    return {};
-}
-
-Return<void> RadioResponse::releasePduSessionIdResponse(const V1_6::RadioResponseInfo& info) {
-    return {};
-}
-
-Return<void> RadioResponse::startHandoverResponse(const V1_6::RadioResponseInfo& info) {
-    return {};
-}
-
-Return<void> RadioResponse::cancelHandoverResponse(const V1_6::RadioResponseInfo& info) {
-    return {};
-}
-
 Return<void> RadioResponse::setAllowedNetworkTypesBitmapResponse(
         const V1_6::RadioResponseInfo& info) {
     return {};
@@ -623,10 +531,6 @@
     return {};
 }
 
-Return<void> RadioResponse::setDataThrottlingResponse(const V1_6::RadioResponseInfo& info) {
-    return {};
-}
-
 Return<void> RadioResponse::getSystemSelectionChannelsResponse(
         const V1_6::RadioResponseInfo& info,
         const hidl_vec<V1_5::RadioAccessSpecifier>& specifiers) {
@@ -658,9 +562,4 @@
     return {};
 }
 
-Return<void> RadioResponse::getSlicingConfigResponse(const V1_6::RadioResponseInfo& info,
-                                                     const V1_6::SlicingConfig& slicingConfig) {
-    return {};
-}
-
 }  // namespace android::hardware::radio::compat
diff --git a/radio/aidl/compat/libradiocompat/collections.h b/radio/aidl/compat/libradiocompat/collections.h
index 9ef1351..e3439a7 100644
--- a/radio/aidl/compat/libradiocompat/collections.h
+++ b/radio/aidl/compat/libradiocompat/collections.h
@@ -17,6 +17,9 @@
 
 #include <hidl/HidlSupport.h>
 
+#include <type_traits>
+#include <variant>
+
 namespace android::hardware::radio::compat {
 
 /**
@@ -51,4 +54,53 @@
     return out;
 }
 
+/**
+ * Converts T=OptionalX HIDL value to std::optional<X> AIDL value.
+ *
+ * To convert values, the template uses toAidl functions for a given type T.value.
+ */
+template <typename T>
+std::optional<decltype(toAidl(T{}.value()))> toAidl(const T& opt) {
+    if (opt.getDiscriminator() == T::hidl_discriminator::noinit) return std::nullopt;
+    return toAidl(opt.value());
+}
+
+/**
+ * Converts T=OptionalX HIDL value to std::variant<bool, X> AIDL value.
+ *
+ * For some reason, not every OptionalX gets generated into a std::optional<X>.
+ */
+template <typename T>
+std::variant<bool, decltype(toAidl(T{}.value()))> toAidlVariant(const T& opt) {
+    if (opt.getDiscriminator() == T::hidl_discriminator::noinit) return false;
+    return toAidl(opt.value());
+}
+
+/**
+ * Converts std::optional<X> AIDL value to T=OptionalX HIDL value.
+ *
+ * X is inferred from toAidl(T.value) declaration. Please note that toAidl(T.value) doesn't have to
+ * be implemented if it's not needed for anything else than giving this hint to type system.
+ *
+ * To convert values, the template uses toHidl functions for a given type T, assuming it's defined.
+ *
+ * \param opt value to convert
+ */
+template <typename T>
+T toHidl(const std::optional<decltype(toAidl(T{}.value()))>& opt) {
+    T hidl;
+    if (opt.has_value()) hidl.value(toHidl(*opt));
+    return hidl;
+}
+
+/**
+ * Converts U AIDL bitfield value to HIDL T bitfield value.
+ *
+ * \param val value to convert
+ */
+template <typename T, typename U>
+hidl_bitfield<T> toHidlBitfield(U val) {
+    return static_cast<int>(val);
+}
+
 }  // namespace android::hardware::radio::compat
diff --git a/radio/aidl/compat/libradiocompat/commonStructs.cpp b/radio/aidl/compat/libradiocompat/commonStructs.cpp
index affd00a..c25768d 100644
--- a/radio/aidl/compat/libradiocompat/commonStructs.cpp
+++ b/radio/aidl/compat/libradiocompat/commonStructs.cpp
@@ -40,6 +40,14 @@
     return v;
 }
 
+int8_t toAidl(uint8_t v) {
+    return v;
+}
+
+int32_t toAidl(uint32_t v) {
+    return v;
+}
+
 aidl::RadioIndicationType toAidl(V1_0::RadioIndicationType type) {
     return aidl::RadioIndicationType(type);
 }
diff --git a/radio/aidl/compat/libradiocompat/commonStructs.h b/radio/aidl/compat/libradiocompat/commonStructs.h
index 9b3115d..b859916 100644
--- a/radio/aidl/compat/libradiocompat/commonStructs.h
+++ b/radio/aidl/compat/libradiocompat/commonStructs.h
@@ -26,6 +26,8 @@
 std::string toAidl(const hidl_string& str);
 hidl_string toHidl(const std::string& str);
 uint8_t toAidl(int8_t v);
+int8_t toAidl(uint8_t v);
+int32_t toAidl(uint32_t v);
 
 aidl::android::hardware::radio::RadioIndicationType toAidl(V1_0::RadioIndicationType type);
 aidl::android::hardware::radio::RadioResponseType toAidl(V1_0::RadioResponseType type);
diff --git a/radio/aidl/compat/libradiocompat/data/RadioData.cpp b/radio/aidl/compat/libradiocompat/data/RadioData.cpp
new file mode 100644
index 0000000..fdb1273
--- /dev/null
+++ b/radio/aidl/compat/libradiocompat/data/RadioData.cpp
@@ -0,0 +1,180 @@
+/*
+ * Copyright (C) 2021 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 <libradiocompat/RadioData.h>
+
+#include "commonStructs.h"
+#include "debug.h"
+#include "structs.h"
+
+#include "collections.h"
+
+#define RADIO_MODULE "Data"
+
+namespace android::hardware::radio::compat {
+
+using ::ndk::ScopedAStatus;
+namespace aidl = ::aidl::android::hardware::radio::data;
+namespace aidlCommon = ::aidl::android::hardware::radio;
+constexpr auto ok = &ScopedAStatus::ok;
+
+ScopedAStatus RadioData::allocatePduSessionId(int32_t serial) {
+    LOG_CALL << serial;
+    if (mHal1_6) {
+        mHal1_6->allocatePduSessionId(serial);
+    } else {
+        respond().allocatePduSessionIdResponse(notSupported(serial), 0);
+    }
+    return ok();
+}
+
+ScopedAStatus RadioData::cancelHandover(int32_t serial, int32_t callId) {
+    LOG_CALL << serial;
+    if (mHal1_6) {
+        mHal1_6->cancelHandover(serial, callId);
+    } else {
+        respond().cancelHandoverResponse(notSupported(serial));
+    }
+    return ok();
+}
+
+ScopedAStatus RadioData::deactivateDataCall(int32_t serial, int32_t cid,
+                                            aidl::DataRequestReason reason) {
+    LOG_CALL << serial;
+    mHal1_5->deactivateDataCall_1_2(serial, cid, V1_2::DataRequestReason(reason));
+    return ok();
+}
+
+ScopedAStatus RadioData::getDataCallList(int32_t serial) {
+    LOG_CALL << serial;
+    mHal1_5->getDataCallList(serial);
+    return ok();
+}
+
+ScopedAStatus RadioData::getSlicingConfig(int32_t serial) {
+    LOG_CALL << serial;
+    if (mHal1_6) {
+        mHal1_6->getSlicingConfig(serial);
+    } else {
+        respond().getSlicingConfigResponse(notSupported(serial), {});
+    }
+    return ok();
+}
+
+ScopedAStatus RadioData::releasePduSessionId(int32_t serial, int32_t id) {
+    LOG_CALL << serial;
+    if (mHal1_6) {
+        mHal1_6->releasePduSessionId(serial, id);
+    } else {
+        respond().releasePduSessionIdResponse(notSupported(serial));
+    }
+    return ok();
+}
+
+ScopedAStatus RadioData::responseAcknowledgement() {
+    LOG_CALL;
+    mHal1_5->responseAcknowledgement();
+    return ok();
+}
+
+ScopedAStatus RadioData::setDataAllowed(int32_t serial, bool allow) {
+    LOG_CALL << serial;
+    mHal1_5->setDataAllowed(serial, allow);
+    return ok();
+}
+
+ScopedAStatus RadioData::setDataProfile(int32_t serial,
+                                        const std::vector<aidl::DataProfileInfo>& profiles) {
+    LOG_CALL << serial;
+    mHal1_5->setDataProfile_1_5(serial, toHidl(profiles));
+    return ok();
+}
+
+ScopedAStatus RadioData::setDataThrottling(int32_t serial, aidl::DataThrottlingAction dta,
+                                           int64_t completionDurationMs) {
+    LOG_CALL << serial;
+    if (mHal1_6) {
+        mHal1_6->setDataThrottling(serial, V1_6::DataThrottlingAction(dta), completionDurationMs);
+    } else {
+        respond().setDataThrottlingResponse(notSupported(serial));
+    }
+    return ok();
+}
+
+ScopedAStatus RadioData::setInitialAttachApn(int32_t serial, const aidl::DataProfileInfo& info) {
+    LOG_CALL << serial;
+    mHal1_5->setInitialAttachApn_1_5(serial, toHidl(info));
+    return ok();
+}
+
+ScopedAStatus RadioData::setResponseFunctions(
+        const std::shared_ptr<aidl::IRadioDataResponse>& dataResponse,
+        const std::shared_ptr<aidl::IRadioDataIndication>& dataIndication) {
+    LOG_CALL << dataResponse << ' ' << dataIndication;
+
+    CHECK(dataResponse);
+    CHECK(dataIndication);
+
+    mRadioResponse->setResponseFunction(dataResponse);
+    mRadioIndication->setResponseFunction(dataIndication);
+
+    return ok();
+}
+
+ScopedAStatus RadioData::setupDataCall(  //
+        int32_t serial, aidlCommon::AccessNetwork accessNetwork,
+        const aidl::DataProfileInfo& dataProfileInfo, bool roamingAllowed,
+        aidl::DataRequestReason reason, const std::vector<aidl::LinkAddress>& addresses,
+        const std::vector<std::string>& dnses, int32_t pduSessId,
+        const std::optional<aidl::SliceInfo>& sliceInfo,
+        const std::optional<aidl::TrafficDescriptor>& trDesc, bool matchAllRuleAllowed) {
+    if (mHal1_6) {
+        mHal1_6->setupDataCall_1_6(  //
+                serial, V1_5::AccessNetwork(accessNetwork), toHidl(dataProfileInfo), roamingAllowed,
+                V1_2::DataRequestReason(reason), toHidl(addresses), toHidl(dnses), pduSessId,
+                toHidl<V1_6::OptionalSliceInfo>(sliceInfo),
+                toHidl<V1_6::OptionalTrafficDescriptor>(trDesc), matchAllRuleAllowed);
+    } else {
+        mHal1_5->setupDataCall_1_5(  //
+                serial, V1_5::AccessNetwork(accessNetwork), toHidl(dataProfileInfo), roamingAllowed,
+                V1_2::DataRequestReason(reason), toHidl(addresses), toHidl(dnses));
+    }
+    return ok();
+}
+
+ScopedAStatus RadioData::startHandover(int32_t serial, int32_t callId) {
+    LOG_CALL << serial;
+    if (mHal1_6) {
+        mHal1_6->startHandover(serial, callId);
+    } else {
+        respond().startHandoverResponse(notSupported(serial));
+    }
+    return ok();
+}
+
+ScopedAStatus RadioData::startKeepalive(int32_t serial, const aidl::KeepaliveRequest& keepalive) {
+    LOG_CALL << serial;
+    mHal1_5->startKeepalive(serial, toHidl(keepalive));
+    return ok();
+}
+
+ScopedAStatus RadioData::stopKeepalive(int32_t serial, int32_t sessionHandle) {
+    LOG_CALL << serial;
+    mHal1_5->stopKeepalive(serial, sessionHandle);
+    return ok();
+}
+
+}  // namespace android::hardware::radio::compat
diff --git a/radio/aidl/compat/libradiocompat/data/RadioIndication-data.cpp b/radio/aidl/compat/libradiocompat/data/RadioIndication-data.cpp
new file mode 100644
index 0000000..f51d1a8
--- /dev/null
+++ b/radio/aidl/compat/libradiocompat/data/RadioIndication-data.cpp
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2021 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 <libradiocompat/RadioIndication.h>
+
+#include "commonStructs.h"
+#include "debug.h"
+#include "structs.h"
+
+#include "collections.h"
+
+#define RADIO_MODULE "DataIndication"
+
+namespace android::hardware::radio::compat {
+
+namespace aidl = ::aidl::android::hardware::radio::data;
+
+void RadioIndication::setResponseFunction(std::shared_ptr<aidl::IRadioDataIndication> dataCb) {
+    CHECK(dataCb);
+    mDataCb = dataCb;
+}
+
+Return<void> RadioIndication::dataCallListChanged(V1_0::RadioIndicationType type,
+                                                  const hidl_vec<V1_0::SetupDataCallResult>&) {
+    LOG_CALL << type;
+    LOG(ERROR) << "IRadio HAL 1.0 not supported";
+    return {};
+}
+
+Return<void> RadioIndication::dataCallListChanged_1_4(V1_0::RadioIndicationType type,
+                                                      const hidl_vec<V1_4::SetupDataCallResult>&) {
+    LOG_CALL << type;
+    LOG(ERROR) << "IRadio HAL 1.4 not supported";
+    return {};
+}
+
+Return<void> RadioIndication::dataCallListChanged_1_5(
+        V1_0::RadioIndicationType type, const hidl_vec<V1_5::SetupDataCallResult>& dcList) {
+    LOG_CALL << type;
+    CHECK_CB(mDataCb);
+    mDataCb->dataCallListChanged(toAidl(type), toAidl(dcList));
+    return {};
+}
+
+Return<void> RadioIndication::dataCallListChanged_1_6(
+        V1_0::RadioIndicationType type, const hidl_vec<V1_6::SetupDataCallResult>& dcList) {
+    LOG_CALL << type;
+    CHECK_CB(mDataCb);
+    mDataCb->dataCallListChanged(toAidl(type), toAidl(dcList));
+    return {};
+}
+
+Return<void> RadioIndication::keepaliveStatus(V1_0::RadioIndicationType type,
+                                              const V1_1::KeepaliveStatus& status) {
+    LOG_CALL << type;
+    CHECK_CB(mDataCb);
+    mDataCb->keepaliveStatus(toAidl(type), toAidl(status));
+    return {};
+}
+
+Return<void> RadioIndication::pcoData(V1_0::RadioIndicationType type,
+                                      const V1_0::PcoDataInfo& pco) {
+    LOG_CALL << type;
+    CHECK_CB(mDataCb);
+    mDataCb->pcoData(toAidl(type), toAidl(pco));
+    return {};
+}
+
+Return<void> RadioIndication::unthrottleApn(V1_0::RadioIndicationType type,
+                                            const hidl_string& apn) {
+    LOG_CALL << type;
+    CHECK_CB(mDataCb);
+    mDataCb->unthrottleApn(toAidl(type), apn);
+    return {};
+}
+
+}  // namespace android::hardware::radio::compat
diff --git a/radio/aidl/compat/libradiocompat/data/RadioResponse-data.cpp b/radio/aidl/compat/libradiocompat/data/RadioResponse-data.cpp
new file mode 100644
index 0000000..171f692
--- /dev/null
+++ b/radio/aidl/compat/libradiocompat/data/RadioResponse-data.cpp
@@ -0,0 +1,199 @@
+/*
+ * Copyright (C) 2021 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 <libradiocompat/RadioResponse.h>
+
+#include "commonStructs.h"
+#include "debug.h"
+#include "structs.h"
+
+#include "collections.h"
+
+#define RADIO_MODULE "DataResponse"
+
+namespace android::hardware::radio::compat {
+
+namespace aidl = ::aidl::android::hardware::radio::data;
+
+void RadioResponse::setResponseFunction(std::shared_ptr<aidl::IRadioDataResponse> dataCb) {
+    CHECK(dataCb);
+    mDataCb = dataCb;
+}
+
+Return<void> RadioResponse::allocatePduSessionIdResponse(const V1_6::RadioResponseInfo& info,
+                                                         int32_t id) {
+    LOG_CALL << info.serial;
+    CHECK_CB(mDataCb);
+    mDataCb->allocatePduSessionIdResponse(toAidl(info), id);
+    return {};
+}
+
+Return<void> RadioResponse::cancelHandoverResponse(const V1_6::RadioResponseInfo& info) {
+    LOG_CALL << info.serial;
+    CHECK_CB(mDataCb);
+    mDataCb->cancelHandoverResponse(toAidl(info));
+    return {};
+}
+
+Return<void> RadioResponse::deactivateDataCallResponse(const V1_0::RadioResponseInfo& info) {
+    LOG_CALL << info.serial;
+    CHECK_CB(mDataCb);
+    mDataCb->deactivateDataCallResponse(toAidl(info));
+    return {};
+}
+
+Return<void> RadioResponse::getDataCallListResponse(const V1_0::RadioResponseInfo& info,
+                                                    const hidl_vec<V1_0::SetupDataCallResult>&) {
+    LOG_CALL << info.serial;
+    LOG(ERROR) << "IRadio HAL 1.0 not supported";
+    return {};
+}
+
+Return<void> RadioResponse::getDataCallListResponse_1_4(
+        const V1_0::RadioResponseInfo& info, const hidl_vec<V1_4::SetupDataCallResult>&) {
+    LOG_CALL << info.serial;
+    LOG(ERROR) << "IRadio HAL 1.4 not supported";
+    return {};
+}
+
+Return<void> RadioResponse::getDataCallListResponse_1_5(
+        const V1_0::RadioResponseInfo& info,
+        const hidl_vec<V1_5::SetupDataCallResult>& dcResponse) {
+    LOG_CALL << info.serial;
+    CHECK_CB(mDataCb);
+    mDataCb->getDataCallListResponse(toAidl(info), toAidl(dcResponse));
+    return {};
+}
+
+Return<void> RadioResponse::getDataCallListResponse_1_6(
+        const V1_6::RadioResponseInfo& info,
+        const hidl_vec<V1_6::SetupDataCallResult>& dcResponse) {
+    LOG_CALL << info.serial;
+    CHECK_CB(mDataCb);
+    mDataCb->getDataCallListResponse(toAidl(info), toAidl(dcResponse));
+    return {};
+}
+
+Return<void> RadioResponse::getSlicingConfigResponse(const V1_6::RadioResponseInfo& info,
+                                                     const V1_6::SlicingConfig& slicingConfig) {
+    LOG_CALL << info.serial;
+    CHECK_CB(mDataCb);
+    mDataCb->getSlicingConfigResponse(toAidl(info), toAidl(slicingConfig));
+    return {};
+}
+
+Return<void> RadioResponse::releasePduSessionIdResponse(const V1_6::RadioResponseInfo& info) {
+    LOG_CALL << info.serial;
+    CHECK_CB(mDataCb);
+    mDataCb->releasePduSessionIdResponse(toAidl(info));
+    return {};
+}
+
+Return<void> RadioResponse::setDataAllowedResponse(const V1_0::RadioResponseInfo& info) {
+    LOG_CALL << info.serial;
+    CHECK_CB(mDataCb);
+    mDataCb->setDataAllowedResponse(toAidl(info));
+    return {};
+}
+
+Return<void> RadioResponse::setDataProfileResponse(const V1_0::RadioResponseInfo& info) {
+    LOG_CALL << info.serial;
+    CHECK_CB(mDataCb);
+    mDataCb->setDataProfileResponse(toAidl(info));
+    return {};
+}
+
+Return<void> RadioResponse::setDataProfileResponse_1_5(const V1_0::RadioResponseInfo& info) {
+    LOG_CALL << info.serial;
+    CHECK_CB(mDataCb);
+    mDataCb->setDataProfileResponse(toAidl(info));
+    return {};
+}
+
+Return<void> RadioResponse::setDataThrottlingResponse(const V1_6::RadioResponseInfo& info) {
+    LOG_CALL << info.serial;
+    CHECK_CB(mDataCb);
+    mDataCb->setDataThrottlingResponse(toAidl(info));
+    return {};
+}
+
+Return<void> RadioResponse::setInitialAttachApnResponse(const V1_0::RadioResponseInfo& info) {
+    LOG_CALL << info.serial;
+    CHECK_CB(mDataCb);
+    mDataCb->setInitialAttachApnResponse(toAidl(info));
+    return {};
+}
+
+Return<void> RadioResponse::setInitialAttachApnResponse_1_5(const V1_0::RadioResponseInfo& info) {
+    LOG_CALL << info.serial;
+    CHECK_CB(mDataCb);
+    mDataCb->setInitialAttachApnResponse(toAidl(info));
+    return {};
+}
+
+Return<void> RadioResponse::setupDataCallResponse(const V1_0::RadioResponseInfo& info,
+                                                  const V1_0::SetupDataCallResult&) {
+    LOG_CALL << info.serial;
+    LOG(ERROR) << "IRadio HAL 1.0 not supported";
+    return {};
+}
+
+Return<void> RadioResponse::setupDataCallResponse_1_4(const V1_0::RadioResponseInfo& info,
+                                                      const V1_4::SetupDataCallResult&) {
+    LOG_CALL << info.serial;
+    LOG(ERROR) << "IRadio HAL 1.0 not supported";
+    return {};
+}
+
+Return<void> RadioResponse::setupDataCallResponse_1_5(const V1_0::RadioResponseInfo& info,
+                                                      const V1_5::SetupDataCallResult& dcResponse) {
+    LOG_CALL << info.serial;
+    CHECK_CB(mDataCb);
+    mDataCb->setupDataCallResponse(toAidl(info), toAidl(dcResponse));
+    return {};
+}
+
+Return<void> RadioResponse::setupDataCallResponse_1_6(const V1_6::RadioResponseInfo& info,
+                                                      const V1_6::SetupDataCallResult& dcResponse) {
+    LOG_CALL << info.serial;
+    CHECK_CB(mDataCb);
+    mDataCb->setupDataCallResponse(toAidl(info), toAidl(dcResponse));
+    return {};
+}
+
+Return<void> RadioResponse::startHandoverResponse(const V1_6::RadioResponseInfo& info) {
+    LOG_CALL << info.serial;
+    CHECK_CB(mDataCb);
+    mDataCb->startHandoverResponse(toAidl(info));
+    return {};
+}
+
+Return<void> RadioResponse::startKeepaliveResponse(const V1_0::RadioResponseInfo& info,
+                                                   const V1_1::KeepaliveStatus& status) {
+    LOG_CALL << info.serial;
+    CHECK_CB(mDataCb);
+    mDataCb->startKeepaliveResponse(toAidl(info), toAidl(status));
+    return {};
+}
+
+Return<void> RadioResponse::stopKeepaliveResponse(const V1_0::RadioResponseInfo& info) {
+    LOG_CALL << info.serial;
+    CHECK_CB(mDataCb);
+    mDataCb->stopKeepaliveResponse(toAidl(info));
+    return {};
+}
+
+}  // namespace android::hardware::radio::compat
diff --git a/radio/aidl/compat/libradiocompat/data/structs.cpp b/radio/aidl/compat/libradiocompat/data/structs.cpp
new file mode 100644
index 0000000..4ff89a1
--- /dev/null
+++ b/radio/aidl/compat/libradiocompat/data/structs.cpp
@@ -0,0 +1,288 @@
+/*
+ * Copyright (C) 2021 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 "structs.h"
+
+#include "commonStructs.h"
+
+#include "collections.h"
+
+#include <android-base/logging.h>
+
+namespace android::hardware::radio::compat {
+
+namespace aidl = ::aidl::android::hardware::radio::data;
+
+V1_5::DataProfileInfo toHidl(const aidl::DataProfileInfo& info) {
+    return {
+            .profileId = V1_0::DataProfileId{info.profileId},
+            .apn = info.apn,
+            .protocol = V1_4::PdpProtocolType{info.protocol},
+            .roamingProtocol = V1_4::PdpProtocolType{info.roamingProtocol},
+            .authType = V1_0::ApnAuthType{info.authType},
+            .user = info.user,
+            .password = info.password,
+            .type = V1_0::DataProfileInfoType{info.type},
+            .maxConnsTime = info.maxConnsTime,
+            .maxConns = info.maxConns,
+            .waitTime = info.waitTime,
+            .enabled = info.enabled,
+            .supportedApnTypesBitmap = toHidlBitfield<V1_5::ApnTypes>(info.supportedApnTypesBitmap),
+            .bearerBitmap = toHidlBitfield<V1_4::RadioAccessFamily>(info.bearerBitmap),
+            .mtuV4 = info.mtuV4,
+            .mtuV6 = info.mtuV6,
+            .preferred = info.preferred,
+            .persistent = info.persistent,
+    };
+}
+
+V1_5::LinkAddress toHidl(const aidl::LinkAddress& addr) {
+    return {
+            .address = addr.address,
+            .properties = addr.addressProperties,
+            .deprecationTime = static_cast<uint64_t>(addr.deprecationTime),
+            .expirationTime = static_cast<uint64_t>(addr.expirationTime),
+    };
+}
+
+aidl::SliceInfo toAidl(const V1_6::SliceInfo& info) {
+    return {
+            .sliceServiceType = static_cast<int8_t>(info.sst),
+            .sliceDifferentiator = info.sliceDifferentiator,
+            .mappedHplmnSst = static_cast<int8_t>(info.mappedHplmnSst),
+            .mappedHplmnSd = info.mappedHplmnSD,
+            .status = static_cast<int8_t>(info.status),
+    };
+}
+
+V1_6::SliceInfo toHidl(const aidl::SliceInfo& info) {
+    return {
+            .sst = static_cast<V1_6::SliceServiceType>(info.sliceServiceType),
+            .sliceDifferentiator = info.sliceDifferentiator,
+            .mappedHplmnSst = static_cast<V1_6::SliceServiceType>(info.mappedHplmnSst),
+            .mappedHplmnSD = info.mappedHplmnSd,
+            .status = V1_6::SliceStatus{info.status},
+    };
+}
+
+aidl::TrafficDescriptor toAidl(const V1_6::TrafficDescriptor& descr) {
+    return {
+            .dnn = toAidl(descr.dnn),
+            .osAppId = toAidl(descr.osAppId),
+    };
+}
+
+V1_6::TrafficDescriptor toHidl(const aidl::TrafficDescriptor& descr) {
+    return {
+            .dnn = toHidl<V1_6::OptionalDnn>(descr.dnn),
+            .osAppId = toHidl<V1_6::OptionalOsAppId>(descr.osAppId),
+    };
+}
+
+aidl::OsAppId toAidl(const V1_6::OsAppId& appId) {
+    return {
+            .osAppId = appId.osAppId,
+    };
+}
+
+V1_6::OsAppId toHidl(const aidl::OsAppId& appId) {
+    return {
+            .osAppId = appId.osAppId,
+    };
+}
+
+V1_1::KeepaliveRequest toHidl(const aidl::KeepaliveRequest& keep) {
+    return {
+            .type = V1_1::KeepaliveType{keep.type},
+            .sourceAddress = keep.sourceAddress,
+            .sourcePort = keep.sourcePort,
+            .destinationAddress = keep.destinationAddress,
+            .destinationPort = keep.destinationPort,
+            .maxKeepaliveIntervalMillis = keep.maxKeepaliveIntervalMillis,
+            .cid = keep.cid,
+    };
+}
+
+static aidl::QosBandwidth toAidl(const V1_6::QosBandwidth& bw) {
+    return {
+            .maxBitrateKbps = static_cast<int32_t>(bw.maxBitrateKbps),
+            .guaranteedBitrateKbps = static_cast<int32_t>(bw.guaranteedBitrateKbps),
+    };
+}
+
+static aidl::EpsQos toAidl(const V1_6::EpsQos& qos) {
+    return {
+            .qci = qos.qci,
+            .downlink = toAidl(qos.downlink),
+            .uplink = toAidl(qos.uplink),
+    };
+}
+
+static aidl::NrQos toAidl(const V1_6::NrQos& qos) {
+    return {
+            .fiveQi = qos.fiveQi,
+            .downlink = toAidl(qos.downlink),
+            .uplink = toAidl(qos.uplink),
+            .qfi = static_cast<int8_t>(qos.qfi),
+            .averagingWindowMs = qos.averagingWindowMs,
+    };
+}
+
+static std::variant<bool, aidl::EpsQos, aidl::NrQos> toAidl(const V1_6::Qos& qos) {
+    if (qos.getDiscriminator() == V1_6::Qos::hidl_discriminator::eps) return toAidl(qos.eps());
+    if (qos.getDiscriminator() == V1_6::Qos::hidl_discriminator::nr) return toAidl(qos.nr());
+    return false;
+}
+
+aidl::SetupDataCallResult toAidl(const V1_5::SetupDataCallResult& res) {
+    return {
+            .cause = aidl::DataCallFailCause(res.cause),
+            .suggestedRetryTime = res.suggestedRetryTime,
+            .cid = res.cid,
+            .active = static_cast<int32_t>(res.active),
+            .type = aidl::PdpProtocolType(res.type),
+            .ifname = res.ifname,
+            .addresses = toAidl(res.addresses),
+            .dnses = toAidl(res.dnses),
+            .gateways = toAidl(res.gateways),
+            .pcscf = toAidl(res.pcscf),
+            .mtuV4 = res.mtuV4,
+            .mtuV6 = res.mtuV6,
+    };
+}
+
+aidl::SetupDataCallResult toAidl(const V1_6::SetupDataCallResult& res) {
+    return {
+            .cause = aidl::DataCallFailCause(res.cause),
+            .suggestedRetryTime = res.suggestedRetryTime,
+            .cid = res.cid,
+            .active = static_cast<int32_t>(res.active),
+            .type = aidl::PdpProtocolType(res.type),
+            .ifname = res.ifname,
+            .addresses = toAidl(res.addresses),
+            .dnses = toAidl(res.dnses),
+            .gateways = toAidl(res.gateways),
+            .pcscf = toAidl(res.pcscf),
+            .mtuV4 = res.mtuV4,
+            .mtuV6 = res.mtuV6,
+            .defaultQos = toAidl(res.defaultQos),
+            .qosSessions = toAidl(res.qosSessions),
+            .handoverFailureMode = static_cast<int8_t>(res.handoverFailureMode),
+            .pduSessionId = res.pduSessionId,
+            .sliceInfo = toAidl(res.sliceInfo),
+            .trafficDescriptors = toAidl(res.trafficDescriptors),
+    };
+}
+
+aidl::LinkAddress toAidl(const V1_5::LinkAddress& addr) {
+    return {
+            .address = addr.address,
+            .addressProperties = addr.properties,
+            .deprecationTime = static_cast<int64_t>(addr.deprecationTime),
+            .expirationTime = static_cast<int64_t>(addr.expirationTime),
+    };
+}
+
+aidl::QosSession toAidl(const V1_6::QosSession& sess) {
+    return {
+            .qosSessionId = sess.qosSessionId,
+            .qos = toAidl(sess.qos),
+            .qosFilters = toAidl(sess.qosFilters),
+    };
+}
+
+static aidl::PortRange toAidl(const V1_6::PortRange& range) {
+    return {
+            .start = range.start,
+            .end = range.end,
+    };
+}
+
+static std::optional<aidl::PortRange> toAidl(const V1_6::MaybePort& opt) {
+    if (opt.getDiscriminator() == V1_6::MaybePort::hidl_discriminator::noinit) return std::nullopt;
+    return toAidl(opt.range());  // can't use MaybeX template - this field is not named "value"
+}
+
+aidl::QosFilter toAidl(const V1_6::QosFilter& filter) {
+    return {
+            .localAddresses = toAidl(filter.localAddresses),
+            .remoteAddresses = toAidl(filter.remoteAddresses),
+            .localPort = toAidl(filter.localPort),
+            .remotePort = toAidl(filter.remotePort),
+            .protocol = static_cast<int8_t>(filter.protocol),
+            .tos = toAidlVariant(filter.tos),
+            .flowLabel = toAidlVariant(filter.flowLabel),
+            .spi = toAidlVariant(filter.spi),
+            .direction = static_cast<int8_t>(filter.direction),
+            .precedence = filter.precedence,
+    };
+}
+
+aidl::KeepaliveStatus toAidl(const V1_1::KeepaliveStatus& status) {
+    return {
+            .sessionHandle = status.sessionHandle,
+            .code = static_cast<int32_t>(status.code),
+    };
+}
+
+aidl::PcoDataInfo toAidl(const V1_0::PcoDataInfo& info) {
+    return {
+            .cid = info.cid,
+            .bearerProto = info.bearerProto,
+            .pcoId = info.pcoId,
+            .contents = info.contents,
+    };
+}
+
+aidl::SlicingConfig toAidl(const V1_6::SlicingConfig& cfg) {
+    return {
+            .urspRules = toAidl(cfg.urspRules),
+            .sliceInfo = toAidl(cfg.sliceInfo),
+    };
+}
+
+aidl::UrspRule toAidl(const V1_6::UrspRule& rule) {
+    return {
+            .precedence = rule.precedence,
+            .trafficDescriptors = toAidl(rule.trafficDescriptors),
+            .routeSelectionDescriptor = toAidl(rule.routeSelectionDescriptor),
+    };
+}
+
+static int8_t toAidl(const V1_6::OptionalSscMode& opt) {
+    if (opt.getDiscriminator() == V1_6::OptionalSscMode::hidl_discriminator::noinit) {
+        return aidl::RouteSelectionDescriptor::SSC_MODE_UNKNOWN;
+    }
+    return static_cast<int8_t>(opt.value());
+}
+
+static aidl::PdpProtocolType toAidl(const V1_6::OptionalPdpProtocolType& opt) {
+    using discriminator = V1_6::OptionalPdpProtocolType::hidl_discriminator;
+    if (opt.getDiscriminator() == discriminator::noinit) return aidl::PdpProtocolType::UNKNOWN;
+    return aidl::PdpProtocolType(opt.value());
+}
+
+aidl::RouteSelectionDescriptor toAidl(const V1_6::RouteSelectionDescriptor& descr) {
+    return {
+            .precedence = static_cast<int8_t>(descr.precedence),
+            .sessionType = toAidl(descr.sessionType),
+            .sscMode = toAidl(descr.sscMode),
+            .sliceInfo = toAidl(descr.sliceInfo),
+            .dnn = toAidl(descr.dnn),
+    };
+}
+
+}  // namespace android::hardware::radio::compat
diff --git a/radio/aidl/compat/libradiocompat/data/structs.h b/radio/aidl/compat/libradiocompat/data/structs.h
new file mode 100644
index 0000000..60fad57
--- /dev/null
+++ b/radio/aidl/compat/libradiocompat/data/structs.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+#pragma once
+
+#include <aidl/android/hardware/radio/data/DataProfileInfo.h>
+#include <aidl/android/hardware/radio/data/KeepaliveRequest.h>
+#include <aidl/android/hardware/radio/data/KeepaliveStatus.h>
+#include <aidl/android/hardware/radio/data/LinkAddress.h>
+#include <aidl/android/hardware/radio/data/OsAppId.h>
+#include <aidl/android/hardware/radio/data/PcoDataInfo.h>
+#include <aidl/android/hardware/radio/data/RouteSelectionDescriptor.h>
+#include <aidl/android/hardware/radio/data/SetupDataCallResult.h>
+#include <aidl/android/hardware/radio/data/SliceInfo.h>
+#include <aidl/android/hardware/radio/data/SlicingConfig.h>
+#include <aidl/android/hardware/radio/data/TrafficDescriptor.h>
+#include <aidl/android/hardware/radio/data/UrspRule.h>
+#include <android/hardware/radio/1.6/types.h>
+
+namespace android::hardware::radio::compat {
+
+V1_5::DataProfileInfo toHidl(const ::aidl::android::hardware::radio::data::DataProfileInfo& info);
+
+V1_5::LinkAddress toHidl(const ::aidl::android::hardware::radio::data::LinkAddress& addr);
+
+::aidl::android::hardware::radio::data::SliceInfo toAidl(const V1_6::SliceInfo& info);
+V1_6::SliceInfo toHidl(const ::aidl::android::hardware::radio::data::SliceInfo& info);
+
+::aidl::android::hardware::radio::data::TrafficDescriptor toAidl(const V1_6::TrafficDescriptor& td);
+V1_6::TrafficDescriptor toHidl(const ::aidl::android::hardware::radio::data::TrafficDescriptor& td);
+
+V1_1::KeepaliveRequest toHidl(const ::aidl::android::hardware::radio::data::KeepaliveRequest& keep);
+
+::aidl::android::hardware::radio::data::OsAppId toAidl(const V1_6::OsAppId& appId);
+V1_6::OsAppId toHidl(const ::aidl::android::hardware::radio::data::OsAppId& appId);
+
+::aidl::android::hardware::radio::data::SetupDataCallResult  //
+toAidl(const V1_5::SetupDataCallResult& res);
+::aidl::android::hardware::radio::data::SetupDataCallResult  //
+toAidl(const V1_6::SetupDataCallResult& res);
+
+::aidl::android::hardware::radio::data::LinkAddress toAidl(const V1_5::LinkAddress& addr);
+
+::aidl::android::hardware::radio::data::QosSession toAidl(const V1_6::QosSession& session);
+
+::aidl::android::hardware::radio::data::QosFilter toAidl(const V1_6::QosFilter& filter);
+
+::aidl::android::hardware::radio::data::KeepaliveStatus toAidl(const V1_1::KeepaliveStatus& status);
+
+::aidl::android::hardware::radio::data::PcoDataInfo toAidl(const V1_0::PcoDataInfo& info);
+
+::aidl::android::hardware::radio::data::SlicingConfig toAidl(const V1_6::SlicingConfig& cfg);
+
+::aidl::android::hardware::radio::data::UrspRule toAidl(const V1_6::UrspRule& rule);
+
+::aidl::android::hardware::radio::data::RouteSelectionDescriptor  //
+toAidl(const V1_6::RouteSelectionDescriptor& descr);
+
+}  // namespace android::hardware::radio::compat
diff --git a/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioData.h b/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioData.h
new file mode 100644
index 0000000..900a669
--- /dev/null
+++ b/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioData.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+#pragma once
+
+#include "RadioCompatBase.h"
+
+#include <aidl/android/hardware/radio/data/BnRadioData.h>
+
+namespace android::hardware::radio::compat {
+
+class RadioData : public RadioCompatBase, public aidl::android::hardware::radio::data::BnRadioData {
+    ::ndk::ScopedAStatus allocatePduSessionId(int32_t serial) override;
+    ::ndk::ScopedAStatus cancelHandover(int32_t serial, int32_t callId) override;
+    ::ndk::ScopedAStatus deactivateDataCall(
+            int32_t serial, int32_t cid,
+            ::aidl::android::hardware::radio::data::DataRequestReason reason) override;
+    ::ndk::ScopedAStatus getDataCallList(int32_t serial) override;
+    ::ndk::ScopedAStatus getSlicingConfig(int32_t serial) override;
+    ::ndk::ScopedAStatus releasePduSessionId(int32_t serial, int32_t id) override;
+    ::ndk::ScopedAStatus responseAcknowledgement() override;
+    ::ndk::ScopedAStatus setDataAllowed(int32_t serial, bool allow) override;
+    ::ndk::ScopedAStatus setDataProfile(
+            int32_t serial,
+            const std::vector<::aidl::android::hardware::radio::data::DataProfileInfo>& profiles)
+            override;
+    ::ndk::ScopedAStatus setDataThrottling(
+            int32_t serial,
+            ::aidl::android::hardware::radio::data::DataThrottlingAction dataThrottlingAction,
+            int64_t completionDurationMillis) override;
+    ::ndk::ScopedAStatus setInitialAttachApn(
+            int32_t serial,
+            const ::aidl::android::hardware::radio::data::DataProfileInfo& dpInfo) override;
+    ::ndk::ScopedAStatus setResponseFunctions(
+            const std::shared_ptr<::aidl::android::hardware::radio::data::IRadioDataResponse>&
+                    radioDataResponse,
+            const std::shared_ptr<::aidl::android::hardware::radio::data::IRadioDataIndication>&
+                    radioDataIndication) override;
+    ::ndk::ScopedAStatus setupDataCall(
+            int32_t serial, ::aidl::android::hardware::radio::AccessNetwork accessNetwork,
+            const ::aidl::android::hardware::radio::data::DataProfileInfo& dataProfileInfo,
+            bool roamingAllowed, ::aidl::android::hardware::radio::data::DataRequestReason reason,
+            const std::vector<::aidl::android::hardware::radio::data::LinkAddress>& addresses,
+            const std::vector<std::string>& dnses, int32_t pduSessionId,
+            const std::optional<::aidl::android::hardware::radio::data::SliceInfo>& sliceInfo,
+            const std::optional<::aidl::android::hardware::radio::data::TrafficDescriptor>& trDescr,
+            bool matchAllRuleAllowed) override;
+    ::ndk::ScopedAStatus startHandover(int32_t serial, int32_t callId) override;
+    ::ndk::ScopedAStatus startKeepalive(
+            int32_t serial,
+            const ::aidl::android::hardware::radio::data::KeepaliveRequest& keepalive) override;
+    ::ndk::ScopedAStatus stopKeepalive(int32_t serial, int32_t sessionHandle) override;
+
+  public:
+    using RadioCompatBase::RadioCompatBase;
+};
+
+}  // namespace android::hardware::radio::compat
diff --git a/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioIndication.h b/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioIndication.h
index bc2b841..63142d6 100644
--- a/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioIndication.h
+++ b/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioIndication.h
@@ -15,6 +15,7 @@
  */
 #pragma once
 
+#include <aidl/android/hardware/radio/data/IRadioDataIndication.h>
 #include <aidl/android/hardware/radio/messaging/IRadioMessagingIndication.h>
 #include <aidl/android/hardware/radio/sim/IRadioSimIndication.h>
 #include <android/hardware/radio/1.6/IRadioIndication.h>
@@ -22,6 +23,7 @@
 namespace android::hardware::radio::compat {
 
 class RadioIndication : public V1_6::IRadioIndication {
+    std::shared_ptr<::aidl::android::hardware::radio::data::IRadioDataIndication> mDataCb;
     std::shared_ptr<::aidl::android::hardware::radio::messaging::IRadioMessagingIndication>
             mMessagingCb;
     std::shared_ptr<::aidl::android::hardware::radio::sim::IRadioSimIndication> mSimCb;
@@ -174,6 +176,8 @@
 
   public:
     void setResponseFunction(
+            std::shared_ptr<::aidl::android::hardware::radio::data::IRadioDataIndication> dataCb);
+    void setResponseFunction(
             std::shared_ptr<::aidl::android::hardware::radio::messaging::IRadioMessagingIndication>
                     radioMessagingIndication);
     void setResponseFunction(
diff --git a/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioResponse.h b/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioResponse.h
index f87e8a6..d06abb9 100644
--- a/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioResponse.h
+++ b/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioResponse.h
@@ -15,6 +15,7 @@
  */
 #pragma once
 
+#include <aidl/android/hardware/radio/data/IRadioDataResponse.h>
 #include <aidl/android/hardware/radio/messaging/IRadioMessagingResponse.h>
 #include <aidl/android/hardware/radio/sim/IRadioSimResponse.h>
 #include <android/hardware/radio/1.6/IRadioResponse.h>
@@ -22,6 +23,7 @@
 namespace android::hardware::radio::compat {
 
 class RadioResponse : public V1_6::IRadioResponse {
+    std::shared_ptr<::aidl::android::hardware::radio::data::IRadioDataResponse> mDataCb;
     std::shared_ptr<::aidl::android::hardware::radio::messaging::IRadioMessagingResponse>
             mMessagingCb;
     std::shared_ptr<::aidl::android::hardware::radio::sim::IRadioSimResponse> mSimCb;
@@ -402,6 +404,8 @@
 
   public:
     void setResponseFunction(
+            std::shared_ptr<::aidl::android::hardware::radio::data::IRadioDataResponse> dataCb);
+    void setResponseFunction(
             std::shared_ptr<::aidl::android::hardware::radio::messaging::IRadioMessagingResponse>
                     radioMessagingResponse);
     void setResponseFunction(
diff --git a/radio/aidl/compat/service/Android.bp b/radio/aidl/compat/service/Android.bp
index 6a1cad5..e97e2db 100644
--- a/radio/aidl/compat/service/Android.bp
+++ b/radio/aidl/compat/service/Android.bp
@@ -39,6 +39,7 @@
         "android.hardware.radio.config@1.1",
         "android.hardware.radio.config@1.2",
         "android.hardware.radio.config@1.3",
+        "android.hardware.radio.data-V1-ndk",
         "android.hardware.radio.messaging-V1-ndk",
         "android.hardware.radio.sim-V1-ndk",
         "android.hardware.radio@1.0",
diff --git a/radio/aidl/compat/service/radio-compat.xml b/radio/aidl/compat/service/radio-compat.xml
index 2164b28..ac812fb 100644
--- a/radio/aidl/compat/service/radio-compat.xml
+++ b/radio/aidl/compat/service/radio-compat.xml
@@ -10,6 +10,10 @@
     quick testing.
 
     <hal format="aidl">
+        <name>android.hardware.radio.data</name>
+        <fqname>IRadioData/slot1</fqname>
+    </hal>
+    <hal format="aidl">
         <name>android.hardware.radio.messaging</name>
         <fqname>IRadioMessaging/slot1</fqname>
     </hal>
diff --git a/radio/aidl/compat/service/service.cpp b/radio/aidl/compat/service/service.cpp
index e6dd03d..c97b47a 100644
--- a/radio/aidl/compat/service/service.cpp
+++ b/radio/aidl/compat/service/service.cpp
@@ -20,6 +20,7 @@
 #include <android/binder_manager.h>
 #include <android/binder_process.h>
 #include <libradiocompat/RadioConfig.h>
+#include <libradiocompat/RadioData.h>
 #include <libradiocompat/RadioIndication.h>
 #include <libradiocompat/RadioMessaging.h>
 #include <libradiocompat/RadioResponse.h>
@@ -57,6 +58,7 @@
     auto indicationCb = sp<compat::RadioIndication>::make();
     radioHidl->setResponseFunctions(responseCb, indicationCb).assertOk();
 
+    publishRadioHal<compat::RadioData>(radioHidl, responseCb, indicationCb, slot);
     publishRadioHal<compat::RadioMessaging>(radioHidl, responseCb, indicationCb, slot);
     publishRadioHal<compat::RadioSim>(radioHidl, responseCb, indicationCb, slot);
 }