diff --git a/radio/1.4/Android.bp b/radio/1.4/Android.bp
index 9fd0374..e8b8777 100644
--- a/radio/1.4/Android.bp
+++ b/radio/1.4/Android.bp
@@ -25,8 +25,10 @@
         "CardStatus",
         "CarrierRestrictionsWithPriority",
         "CellConfigLte",
+        "CellIdentityNr",
         "CellInfo",
         "CellInfoLte",
+        "CellInfoNr",
         "DataCallFailCause",
         "DataConnActiveStatus",
         "DataProfileInfo",
@@ -39,6 +41,7 @@
         "LteVopsInfo",
         "NetworkScanResult",
         "NrIndicators",
+        "NrSignalStrength",
         "PdpProtocolType",
         "PhysicalChannelConfig",
         "RadioAccessFamily",
@@ -46,6 +49,7 @@
         "RadioFrequencyInfo",
         "RadioTechnology",
         "SetupDataCallResult",
+        "SignalStrength",
         "SimLockMultiSimPolicy",
     ],
     gen_java: true,
diff --git a/radio/1.4/IRadio.hal b/radio/1.4/IRadio.hal
index 21c5097..8ef1f96 100644
--- a/radio/1.4/IRadio.hal
+++ b/radio/1.4/IRadio.hal
@@ -215,4 +215,13 @@
      * Response callback is IRadioResponse.getAllowedCarriersResponse_1_3()
      */
     oneway getAllowedCarriers_1_4(int32_t serial);
+
+    /**
+     * Requests current signal strength and associated information.  Must succeed if radio is on.
+     *
+     * @param serial Serial number of request.
+     *
+     * Response function is IRadioResponse.getSignalStrengthResponse_1_4()
+     */
+    oneway getSignalStrength_1_4(int32_t serial);
 };
diff --git a/radio/1.4/IRadioIndication.hal b/radio/1.4/IRadioIndication.hal
index 58b7b70..3c61f96 100644
--- a/radio/1.4/IRadioIndication.hal
+++ b/radio/1.4/IRadioIndication.hal
@@ -89,4 +89,12 @@
      *        3. Unsolicited disconnect from either modem or network side.
      */
     oneway dataCallListChanged_1_4(RadioIndicationType type, vec<SetupDataCallResult> dcList);
+
+    /**
+     * Indicates current signal strength of the radio.
+     *
+     * @param type Type of radio indication
+     * @param signalStrength SignalStrength information
+     */
+    oneway currentSignalStrength_1_4(RadioIndicationType type, SignalStrength signalStrength);
 };
diff --git a/radio/1.4/IRadioResponse.hal b/radio/1.4/IRadioResponse.hal
index 6b8977d..f43295a 100644
--- a/radio/1.4/IRadioResponse.hal
+++ b/radio/1.4/IRadioResponse.hal
@@ -24,6 +24,7 @@
 import @1.4::DataRegStateResult;
 import @1.4::RadioAccessFamily;
 import @1.4::SetupDataCallResult;
+import @1.4::SignalStrength;
 import @1.4::SimLockMultiSimPolicy;
 
 /**
@@ -200,4 +201,14 @@
      */
     oneway getAllowedCarriersResponse_1_4(RadioResponseInfo info,
             CarrierRestrictionsWithPriority carriers, SimLockMultiSimPolicy multiSimPolicy);
+
+    /**
+     * @param signalStrength Current signal strength
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:INTERNAL_ERR
+     */
+    oneway getSignalStrengthResponse_1_4(RadioResponseInfo info, SignalStrength signalStrength);
 };
diff --git a/radio/1.4/types.hal b/radio/1.4/types.hal
index 6fa7ebd..2747732 100644
--- a/radio/1.4/types.hal
+++ b/radio/1.4/types.hal
@@ -20,12 +20,16 @@
 import @1.0::ApnTypes;
 import @1.0::Carrier;
 import @1.0::CellInfoType;
+import @1.0::CdmaSignalStrength;
 import @1.0::DataCallFailCause;
 import @1.0::DataProfileId;
 import @1.0::DataProfileInfoType;
+import @1.0::EvdoSignalStrength;
+import @1.0::GsmSignalStrength;
+import @1.0::LteSignalStrength;
 import @1.0::RadioAccessFamily;
 import @1.0::RadioCapabilityPhase;
-import @1.0::RadioCapabilityStatus ;
+import @1.0::RadioCapabilityStatus;
 import @1.0::RadioError;
 import @1.0::RadioTechnology;
 import @1.0::RegState;
@@ -39,10 +43,17 @@
 import @1.2::CellInfoTdscdma;
 import @1.2::CellInfoWcdma;
 import @1.2::CardStatus;
-import @1.2::CellIdentity;
 import @1.2::CellConnectionStatus;
+import @1.2::CellIdentityCdma;
+import @1.2::CellIdentityGsm;
+import @1.2::CellIdentityLte;
+import @1.2::CellIdentityTdscdma;
+import @1.2::CellIdentityWcdma;
+import @1.2::CellIdentityOperatorNames;
 import @1.2::DataRegStateResult;
 import @1.2::PhysicalChannelConfig;
+import @1.2::TdscdmaSignalStrength;
+import @1.2::WcdmaSignalStrength;
 
 import android.hidl.safe_union@1.0::Monostate;
 
@@ -188,12 +199,12 @@
 };
 
 enum RadioTechnology : @1.0::RadioTechnology {
-    /** 5G NR. */
+    /** 5G NR. This is only use in 5G Standalone mode. */
     NR = 20,
 };
 
 enum RadioAccessFamily : @1.0::RadioAccessFamily {
-    /** 5G NR. */
+    /** 5G NR. This is only use in 5G Standalone mode. */
     NR = 1 << RadioTechnology:NR,
 };
 
@@ -1551,9 +1562,15 @@
         CellInfoWcdma wcdma;
         CellInfoTdscdma tdscdma;
         CellInfoLte lte;
+        CellInfoNr nr;
     } info;
 };
 
+struct CellInfoNr {
+    NrSignalStrength signalStrength;
+    CellIdentityNr cellidentity;
+};
+
 /** Overwritten from @1.2::NetworkScanResult in order to update the CellInfo to 1.4 version. */
 struct NetworkScanResult {
     /**
@@ -1770,3 +1787,131 @@
      */
     bool allowedCarriersPrioritized;
 };
+
+struct CellIdentityNr {
+    /** 3-digit Mobile Country Code, in range[0, 999], INT_MAX means invalid/unreported. */
+    string mcc;
+
+    /**
+     * 2 or 3-digit Mobile Network Code, in range [0, 999], INT_MAX means invalid/unreported.
+     */
+    string mnc;
+
+    /**
+     * Physical cell id in range [0, 1007] described in 3GPP TS 38.331. This value must be valid.
+     */
+    uint32_t pci;
+
+    /** 16-bit tracking area code, INT_MAX means invalid/unreported. */
+    int32_t tac;
+
+    /**
+     * NR Absolute Radio Frequency Channel Number, in range [0, 3279165].
+     * Reference: 3GPP TS 38.101-1 and 3GPP TS 38.101-2 section 5.4.2.1.
+     * This value must be valid.
+     */
+    int32_t nrarfcn;
+
+    CellIdentityOperatorNames operatorNames;
+};
+
+struct NrSignalStrength {
+    /**
+     * SS reference signal received power, multipled by -1.
+     *
+     * Reference: 3GPP TS 38.215.
+     *
+     * Range [44, 140], INT_MAX means invalid/unreported.
+     */
+    int32_t ssRsrp;
+
+    /**
+     * SS reference signal received quality, multipled by -1.
+     *
+     * Reference: 3GPP TS 38.215.
+     *
+     * Range [3, 20], INT_MAX means invalid/unreported.
+     */
+    int32_t ssRsrq;
+
+    /**
+     * SS signal-to-noise and interference ratio.
+     *
+     * Reference: 3GPP TS 38.215 section 5.1.*, 3GPP TS 38.133 section 10.1.16.1.
+     *
+     * Range [-23, 40], INT_MAX means invalid/unreported.
+     */
+    int32_t ssSinr;
+
+    /**
+     * CSI reference signal received power, multipled by -1.
+     *
+     * Reference: 3GPP TS 38.215.
+     *
+     * Range [44, 140], INT_MAX means invalid/unreported.
+     */
+    int32_t csiRsrp;
+
+    /**
+     * CSI reference signal received quality, multipled by -1.
+     *
+     * Reference: 3GPP TS 38.215.
+     *
+     * Range [3, 20], INT_MAX means invalid/unreported.
+     */
+    int32_t csiRsrq;
+
+    /**
+     * CSI signal-to-noise and interference ratio.
+     *
+     * Reference: 3GPP TS 138.215 section 5.1.*, 3GPP TS 38.133 section 10.1.16.1.
+     *
+     * Range [-23, 40], INT_MAX means invalid/unreported.
+     */
+    int32_t csiSinr;
+};
+
+/** Overwritten from @1.2::SignalStrength in order to add signal strength for NR.  */
+struct SignalStrength {
+    /**
+     * If GSM measurements are provided, this structure must contain valid measurements; otherwise
+     * all fields should be set to INT_MAX to mark them as invalid.
+     */
+    GsmSignalStrength gsm;
+
+    /**
+     * If CDMA measurements are provided, this structure must contain valid measurements; otherwise
+     * all fields should be set to INT_MAX to mark them as invalid.
+     */
+    CdmaSignalStrength cdma;
+
+    /**
+     * If EvDO measurements are provided, this structure must contain valid measurements; otherwise
+     * all fields should be set to INT_MAX to mark them as invalid.
+     */
+    EvdoSignalStrength evdo;
+
+    /**
+     * If LTE measurements are provided, this structure must contain valid measurements; otherwise
+     * all fields should be set to INT_MAX to mark them as invalid.
+     */
+    LteSignalStrength lte;
+
+    /**
+     * If TD-SCDMA measurements are provided, this structure must contain valid measurements;
+     * otherwise all fields should be set to INT_MAX to mark them as invalid.
+     */
+    TdscdmaSignalStrength tdscdma;
+
+    /**
+     * If WCDMA measurements are provided, this structure must contain valid measurements; otherwise
+     * all fields should be set to INT_MAX to mark them as invalid.
+     */
+    WcdmaSignalStrength wcdma;
+
+    /**
+     * If NR 5G measurements are provided, this structure must contain valid measurements; otherwise
+     * all fields should be set to INT_MAX to mark them as invalid.
+     */
+    NrSignalStrength nr;
+};
diff --git a/radio/1.4/vts/functional/radio_hidl_hal_utils_v1_4.h b/radio/1.4/vts/functional/radio_hidl_hal_utils_v1_4.h
index f290d5d..b77814f 100644
--- a/radio/1.4/vts/functional/radio_hidl_hal_utils_v1_4.h
+++ b/radio/1.4/vts/functional/radio_hidl_hal_utils_v1_4.h
@@ -441,6 +441,9 @@
             const RadioResponseInfo& info,
             const ::android::hardware::radio::V1_2::SignalStrength& sig_strength);
 
+    Return<void> getSignalStrengthResponse_1_4(const RadioResponseInfo& info,
+            const ::android::hardware::radio::V1_4::SignalStrength& sig_strength);
+
     Return<void> getCellInfoListResponse_1_2(
             const RadioResponseInfo& info,
             const ::android::hardware::hidl_vec<::android::hardware::radio::V1_2::CellInfo>&
@@ -559,6 +562,9 @@
             RadioIndicationType type,
             const ::android::hardware::radio::V1_2::SignalStrength& signalStrength);
 
+    Return<void> currentSignalStrength_1_4(RadioIndicationType type,
+            const ::android::hardware::radio::V1_4::SignalStrength& signalStrength);
+
     /* 1.1 Api */
     Return<void> carrierInfoForImsiEncryption(RadioIndicationType info);
 
@@ -730,4 +736,4 @@
 
     /* radio indication handle */
     sp<RadioIndication_v1_4> radioInd_v1_4;
-};
\ No newline at end of file
+};
diff --git a/radio/1.4/vts/functional/radio_indication.cpp b/radio/1.4/vts/functional/radio_indication.cpp
index f08b361..c3722b0 100644
--- a/radio/1.4/vts/functional/radio_indication.cpp
+++ b/radio/1.4/vts/functional/radio_indication.cpp
@@ -85,6 +85,11 @@
     return Void();
 }
 
+Return<void> RadioIndication_v1_4::currentSignalStrength_1_4(RadioIndicationType /*type*/,
+        const ::android::hardware::radio::V1_4::SignalStrength& /*signalStrength*/) {
+    return Void();
+}
+
 /* 1.1 Apis */
 Return<void> RadioIndication_v1_4::carrierInfoForImsiEncryption(RadioIndicationType /*info*/) {
     return Void();
@@ -321,4 +326,4 @@
 Return<void> RadioIndication_v1_4::modemReset(RadioIndicationType /*type*/,
                                               const ::android::hardware::hidl_string& /*reason*/) {
     return Void();
-}
\ No newline at end of file
+}
diff --git a/radio/1.4/vts/functional/radio_response.cpp b/radio/1.4/vts/functional/radio_response.cpp
index 2ae5f7c..10ecead 100644
--- a/radio/1.4/vts/functional/radio_response.cpp
+++ b/radio/1.4/vts/functional/radio_response.cpp
@@ -739,6 +739,13 @@
     return Void();
 }
 
+Return<void> RadioResponse_v1_4::getSignalStrengthResponse_1_4(const RadioResponseInfo& info,
+        const ::android::hardware::radio::V1_4::SignalStrength& /*sig_strength*/) {
+    rspInfo = info;
+    parent_v1_4.notify(info.serial);
+    return Void();
+}
+
 Return<void> RadioResponse_v1_4::getCellInfoListResponse_1_2(
         const RadioResponseInfo& /*info*/,
         const ::android::hardware::hidl_vec<
@@ -864,4 +871,4 @@
         const RadioResponseInfo& /*info*/, const CarrierRestrictionsWithPriority& /*carriers*/,
         SimLockMultiSimPolicy /*multiSimPolicy*/) {
     return Void();
-}
\ No newline at end of file
+}