diff --git a/wifi/aidl/default/aidl_struct_util.cpp b/wifi/aidl/default/aidl_struct_util.cpp
index a404853..6bd5a7f 100644
--- a/wifi/aidl/default/aidl_struct_util.cpp
+++ b/wifi/aidl/default/aidl_struct_util.cpp
@@ -2815,6 +2815,138 @@
     return true;
 }
 
+long convertLegacyAkmsToAidl(legacy_hal::wifi_rtt_akm akms) {
+    long aidl_akms = Akm::NONE;
+    if ((akms & legacy_hal::WPA_KEY_MGMT_PASN) != 0) {
+        aidl_akms |= Akm::PASN;
+    }
+    if ((akms & legacy_hal::WPA_KEY_MGMT_SAE) != 0) {
+        aidl_akms |= Akm::SAE;
+    }
+    if ((akms & legacy_hal::WPA_KEY_MGMT_EAP_FT_SHA256) != 0) {
+        aidl_akms |= Akm::FT_EAP_SHA256;
+    }
+    if ((akms & legacy_hal::WPA_KEY_MGMT_FT_PSK_SHA256) != 0) {
+        aidl_akms |= Akm::FT_PSK_SHA256;
+    }
+    if ((akms & legacy_hal::WPA_KEY_MGMT_EAP_FT_SHA384) != 0) {
+        aidl_akms |= Akm::FT_EAP_SHA384;
+    }
+    if ((akms & legacy_hal::WPA_KEY_MGMT_FT_PSK_SHA384) != 0) {
+        aidl_akms |= Akm::FT_PSK_SHA384;
+    }
+    if ((akms & legacy_hal::WPA_KEY_MGMT_EAP_FILS_SHA256) != 0) {
+        aidl_akms |= Akm::FILS_EAP_SHA256;
+    }
+    if ((akms & legacy_hal::WPA_KEY_MGMT_EAP_FILS_SHA384) != 0) {
+        aidl_akms |= Akm::FILS_EAP_SHA384;
+    }
+    return aidl_akms;
+}
+
+legacy_hal::wifi_rtt_akm convertAidlAkmToLegacy(long akm) {
+    switch (akm) {
+        case Akm::PASN:
+            return legacy_hal::WPA_KEY_MGMT_PASN;
+        case Akm::SAE:
+            return legacy_hal::WPA_KEY_MGMT_SAE;
+        case Akm::FT_EAP_SHA256:
+            return legacy_hal::WPA_KEY_MGMT_EAP_FT_SHA256;
+        case Akm::FT_PSK_SHA256:
+            return legacy_hal::WPA_KEY_MGMT_FT_PSK_SHA256;
+        case Akm::FT_EAP_SHA384:
+            return legacy_hal::WPA_KEY_MGMT_EAP_FT_SHA384;
+        case Akm::FT_PSK_SHA384:
+            return legacy_hal::WPA_KEY_MGMT_FT_PSK_SHA384;
+        case Akm::FILS_EAP_SHA256:
+            return legacy_hal::WPA_KEY_MGMT_EAP_FILS_SHA256;
+        case Akm::FILS_EAP_SHA384:
+            return legacy_hal::WPA_KEY_MGMT_EAP_FILS_SHA384;
+        default:
+            return legacy_hal::WPA_KEY_MGMT_NONE;
+    }
+}
+
+long convertLegacyCipherSuitesToAidl(legacy_hal::wifi_rtt_cipher_suite ciphers) {
+    long aidl_ciphers = CipherSuite::NONE;
+    if ((ciphers & legacy_hal::WPA_CIPHER_CCMP_128) != 0) {
+        aidl_ciphers |= CipherSuite::CCMP_128;
+    }
+    if ((ciphers & legacy_hal::WPA_CIPHER_CCMP_256) != 0) {
+        aidl_ciphers |= CipherSuite::CCMP_256;
+    }
+    if ((ciphers & legacy_hal::WPA_CIPHER_GCMP_128) != 0) {
+        aidl_ciphers |= CipherSuite::GCMP_128;
+    }
+    if ((ciphers & legacy_hal::WPA_CIPHER_GCMP_256) != 0) {
+        aidl_ciphers |= CipherSuite::GCMP_256;
+    }
+    return aidl_ciphers;
+}
+
+legacy_hal::wifi_rtt_cipher_suite convertAidlCipherSuiteToLegacy(long cipher) {
+    switch (cipher) {
+        case CipherSuite::CCMP_128:
+            return WPA_CIPHER_CCMP_128;
+        case CipherSuite::CCMP_256:
+            return WPA_CIPHER_CCMP_256;
+        case CipherSuite::GCMP_128:
+            return WPA_CIPHER_GCMP_128;
+        case CipherSuite::GCMP_256:
+            return WPA_CIPHER_GCMP_256;
+        default:
+            return WPA_CIPHER_NONE;
+    }
+}
+
+bool convertAidlRttConfigToLegacyV4(const RttConfig& aidl_config,
+                                    legacy_hal::wifi_rtt_config_v4* legacy_config) {
+    if (!legacy_config) {
+        return false;
+    }
+    *legacy_config = {};
+    if (!convertAidlRttConfigToLegacyV3(aidl_config, &(legacy_config->rtt_config))) {
+        return false;
+    }
+    if (aidl_config.secureConfig.has_value()) {
+        legacy_config->rtt_secure_config.enable_secure_he_ltf =
+                aidl_config.secureConfig->enableSecureHeLtf;
+        legacy_config->rtt_secure_config.enable_ranging_frame_protection =
+                aidl_config.secureConfig->enableRangingFrameProtection;
+        if (aidl_config.secureConfig->pasnComebackCookie.has_value() &&
+            aidl_config.secureConfig->pasnComebackCookie->size() <= RTT_MAX_COOKIE_LEN) {
+            legacy_config->rtt_secure_config.pasn_config.comeback_cookie_len =
+                    aidl_config.secureConfig->pasnComebackCookie->size();
+            memcpy(legacy_config->rtt_secure_config.pasn_config.comeback_cookie,
+                   aidl_config.secureConfig->pasnComebackCookie->data(),
+                   aidl_config.secureConfig->pasnComebackCookie->size());
+        }
+        legacy_config->rtt_secure_config.pasn_config.base_akm =
+                convertAidlAkmToLegacy(aidl_config.secureConfig->pasnConfig.baseAkm);
+        legacy_config->rtt_secure_config.pasn_config.pairwise_cipher_suite =
+                convertAidlCipherSuiteToLegacy(aidl_config.secureConfig->pasnConfig.cipherSuite);
+        if (aidl_config.secureConfig->pasnConfig.passphrase.has_value() &&
+            aidl_config.secureConfig->pasnConfig.passphrase->size() <=
+                    RTT_SECURITY_MAX_PASSPHRASE_LEN) {
+            legacy_config->rtt_secure_config.pasn_config.passphrase_len =
+                    aidl_config.secureConfig->pasnConfig.passphrase->size();
+            memcpy(legacy_config->rtt_secure_config.pasn_config.passphrase,
+                   aidl_config.secureConfig->pasnConfig.passphrase->data(),
+                   aidl_config.secureConfig->pasnConfig.passphrase->size());
+        }
+        if (aidl_config.secureConfig->pasnConfig.pmkid.has_value() &&
+            aidl_config.secureConfig->pasnConfig.pmkid->size() == PMKID_LEN) {
+            legacy_config->rtt_secure_config.pasn_config.pmkid_len =
+                    aidl_config.secureConfig->pasnConfig.pmkid->size();
+            memcpy(legacy_config->rtt_secure_config.pasn_config.pmkid,
+                   aidl_config.secureConfig->pasnConfig.pmkid->data(),
+                   aidl_config.secureConfig->pasnConfig.pmkid->size());
+        }
+    }
+
+    return true;
+}
+
 bool convertAidlVectorOfRttConfigToLegacy(
         const std::vector<RttConfig>& aidl_configs,
         std::vector<legacy_hal::wifi_rtt_config>* legacy_configs) {
@@ -2849,6 +2981,23 @@
     return true;
 }
 
+bool convertAidlVectorOfRttConfigToLegacyV4(
+        const std::vector<RttConfig>& aidl_configs,
+        std::vector<legacy_hal::wifi_rtt_config_v4>* legacy_configs) {
+    if (!legacy_configs) {
+        return false;
+    }
+    *legacy_configs = {};
+    for (const auto& aidl_config : aidl_configs) {
+        legacy_hal::wifi_rtt_config_v4 legacy_config;
+        if (!convertAidlRttConfigToLegacyV4(aidl_config, &legacy_config)) {
+            return false;
+        }
+        legacy_configs->push_back(legacy_config);
+    }
+    return true;
+}
+
 bool convertAidlRttLciInformationToLegacy(const RttLciInformation& aidl_info,
                                           legacy_hal::wifi_lci_information* legacy_info) {
     if (!legacy_info) {
@@ -2959,6 +3108,12 @@
     aidl_capabilities->azBwSupport = (int)RttBw::BW_UNSPECIFIED;
     aidl_capabilities->ntbInitiatorSupported = false;
     aidl_capabilities->ntbResponderSupported = false;
+    // Initialize 11az secure ranging parameters to default
+    aidl_capabilities->akmsSupported = Akm::NONE;
+    aidl_capabilities->cipherSuitesSupported = CipherSuite::NONE;
+    aidl_capabilities->secureHeLtfSupported = false;
+    aidl_capabilities->rangingFrameProtectionSupported = false;
+    aidl_capabilities->maxSupportedSecureHeLtfProtocolVersion = false;
     return true;
 }
 
@@ -2986,6 +3141,53 @@
             (int)convertLegacyRttBwBitmapToAidl(legacy_capabilities_v3.az_bw_support);
     aidl_capabilities->ntbInitiatorSupported = legacy_capabilities_v3.ntb_initiator_supported;
     aidl_capabilities->ntbResponderSupported = legacy_capabilities_v3.ntb_responder_supported;
+    // Initialize 11az secure ranging parameters to default
+    aidl_capabilities->akmsSupported = Akm::NONE;
+    aidl_capabilities->cipherSuitesSupported = CipherSuite::NONE;
+    aidl_capabilities->secureHeLtfSupported = false;
+    aidl_capabilities->rangingFrameProtectionSupported = false;
+    aidl_capabilities->maxSupportedSecureHeLtfProtocolVersion = false;
+
+    return true;
+}
+
+bool convertLegacyRttCapabilitiesV4ToAidl(
+        const legacy_hal::wifi_rtt_capabilities_v4& legacy_capabilities_v4,
+        RttCapabilities* aidl_capabilities) {
+    if (!aidl_capabilities) {
+        return false;
+    }
+    *aidl_capabilities = {};
+    aidl_capabilities->rttOneSidedSupported =
+            legacy_capabilities_v4.rtt_capab_v3.rtt_capab.rtt_one_sided_supported;
+    aidl_capabilities->rttFtmSupported =
+            legacy_capabilities_v4.rtt_capab_v3.rtt_capab.rtt_ftm_supported;
+    aidl_capabilities->lciSupported = legacy_capabilities_v4.rtt_capab_v3.rtt_capab.lci_support;
+    aidl_capabilities->lcrSupported = legacy_capabilities_v4.rtt_capab_v3.rtt_capab.lcr_support;
+    aidl_capabilities->responderSupported =
+            legacy_capabilities_v4.rtt_capab_v3.rtt_capab.responder_supported;
+    aidl_capabilities->preambleSupport = convertLegacyRttPreambleBitmapToAidl(
+            legacy_capabilities_v4.rtt_capab_v3.rtt_capab.preamble_support);
+    aidl_capabilities->bwSupport = convertLegacyRttBwBitmapToAidl(
+            legacy_capabilities_v4.rtt_capab_v3.rtt_capab.bw_support);
+    aidl_capabilities->mcVersion = legacy_capabilities_v4.rtt_capab_v3.rtt_capab.mc_version;
+    aidl_capabilities->azPreambleSupport = (int)convertLegacyRttPreambleBitmapToAidl(
+            legacy_capabilities_v4.rtt_capab_v3.az_preamble_support);
+    aidl_capabilities->azBwSupport =
+            (int)convertLegacyRttBwBitmapToAidl(legacy_capabilities_v4.rtt_capab_v3.az_bw_support);
+    aidl_capabilities->ntbInitiatorSupported =
+            legacy_capabilities_v4.rtt_capab_v3.ntb_initiator_supported;
+    aidl_capabilities->ntbResponderSupported =
+            legacy_capabilities_v4.rtt_capab_v3.ntb_responder_supported;
+    aidl_capabilities->akmsSupported =
+            convertLegacyAkmsToAidl(legacy_capabilities_v4.supported_akms);
+    aidl_capabilities->cipherSuitesSupported =
+            convertLegacyCipherSuitesToAidl(legacy_capabilities_v4.supported_cipher_suites);
+    aidl_capabilities->secureHeLtfSupported = legacy_capabilities_v4.secure_he_ltf_supported;
+    aidl_capabilities->rangingFrameProtectionSupported =
+            legacy_capabilities_v4.ranging_fame_protection_supported;
+    aidl_capabilities->maxSupportedSecureHeLtfProtocolVersion =
+            legacy_capabilities_v4.max_supported_secure_he_ltf_protocol_ver;
     return true;
 }
 
@@ -3066,6 +3268,13 @@
         aidl_result.ntbMaxMeasurementTime = 0;
         aidl_result.numTxSpatialStreams = 0;
         aidl_result.numRxSpatialStreams = 0;
+        aidl_result.isRangingFrameProtectionEnabled = false;
+        aidl_result.isSecureLtfEnabled = false;
+        aidl_result.baseAkm = Akm::NONE;
+        aidl_result.cipherSuite = CipherSuite::NONE;
+        aidl_result.secureHeLtfProtocolVersion = 0;
+        aidl_result.pasnComebackAfterMillis = 0;
+        aidl_result.pasnComebackCookie = std::nullopt;
         aidl_results->push_back(aidl_result);
     }
     return true;
@@ -3092,6 +3301,13 @@
         aidl_result.ntbMaxMeasurementTime = 0;
         aidl_result.numTxSpatialStreams = 0;
         aidl_result.numRxSpatialStreams = 0;
+        aidl_result.isRangingFrameProtectionEnabled = false;
+        aidl_result.isSecureLtfEnabled = false;
+        aidl_result.baseAkm = Akm::NONE;
+        aidl_result.cipherSuite = CipherSuite::NONE;
+        aidl_result.secureHeLtfProtocolVersion = 0;
+        aidl_result.pasnComebackAfterMillis = 0;
+        aidl_result.pasnComebackCookie = std::nullopt;
         aidl_results->push_back(aidl_result);
     }
     return true;
@@ -3119,6 +3335,57 @@
         aidl_result.ntbMaxMeasurementTime = legacy_result->ntb_max_measurement_time;
         aidl_result.numTxSpatialStreams = legacy_result->num_tx_sts;
         aidl_result.numRxSpatialStreams = legacy_result->num_rx_sts;
+        aidl_result.isRangingFrameProtectionEnabled = false;
+        aidl_result.isSecureLtfEnabled = false;
+        aidl_result.baseAkm = Akm::NONE;
+        aidl_result.cipherSuite = CipherSuite::NONE;
+        aidl_result.secureHeLtfProtocolVersion = 0;
+        aidl_result.pasnComebackAfterMillis = 0;
+        aidl_result.pasnComebackCookie = std::nullopt;
+        aidl_results->push_back(aidl_result);
+    }
+    return true;
+}
+
+bool convertLegacyVectorOfRttResultV4ToAidl(
+        const std::vector<const legacy_hal::wifi_rtt_result_v4*>& legacy_results,
+        std::vector<RttResult>* aidl_results) {
+    if (!aidl_results) {
+        return false;
+    }
+    *aidl_results = {};
+    for (const auto legacy_result : legacy_results) {
+        RttResult aidl_result;
+        if (!convertLegacyRttResultToAidl(legacy_result->rtt_result_v3.rtt_result.rtt_result,
+                                          &aidl_result)) {
+            return false;
+        }
+        aidl_result.channelFreqMHz =
+                legacy_result->rtt_result_v3.rtt_result.frequency != UNSPECIFIED
+                        ? legacy_result->rtt_result_v3.rtt_result.frequency
+                        : 0;
+        aidl_result.packetBw =
+                convertLegacyRttBwToAidl(legacy_result->rtt_result_v3.rtt_result.packet_bw);
+        aidl_result.i2rTxLtfRepetitionCount =
+                legacy_result->rtt_result_v3.i2r_tx_ltf_repetition_count;
+        aidl_result.r2iTxLtfRepetitionCount =
+                legacy_result->rtt_result_v3.r2i_tx_ltf_repetition_count;
+        aidl_result.ntbMinMeasurementTime = legacy_result->rtt_result_v3.ntb_min_measurement_time;
+        aidl_result.ntbMaxMeasurementTime = legacy_result->rtt_result_v3.ntb_max_measurement_time;
+        aidl_result.numTxSpatialStreams = legacy_result->rtt_result_v3.num_tx_sts;
+        aidl_result.numRxSpatialStreams = legacy_result->rtt_result_v3.num_rx_sts;
+        aidl_result.isRangingFrameProtectionEnabled = legacy_result->is_ranging_protection_enabled;
+        aidl_result.isSecureLtfEnabled = legacy_result->is_secure_he_ltf_enabled;
+        aidl_result.baseAkm = convertLegacyAkmsToAidl(legacy_result->base_akm);
+        aidl_result.cipherSuite = convertLegacyCipherSuitesToAidl(legacy_result->cipher_suite);
+        aidl_result.secureHeLtfProtocolVersion = legacy_result->secure_he_ltf_protocol_version;
+        aidl_result.pasnComebackAfterMillis = legacy_result->pasn_comeback_after_millis;
+        if (legacy_result->pasn_comeback_cookie_len > 0 &&
+            legacy_result->pasn_comeback_cookie_len <= RTT_MAX_COOKIE_LEN) {
+            aidl_result.pasnComebackCookie = std::vector<uint8_t>(
+                    legacy_result->pasn_comeback_cookie,
+                    legacy_result->pasn_comeback_cookie + legacy_result->pasn_comeback_cookie_len);
+        }
         aidl_results->push_back(aidl_result);
     }
     return true;
diff --git a/wifi/aidl/default/aidl_struct_util.h b/wifi/aidl/default/aidl_struct_util.h
index 9a3c535..b6a06db 100644
--- a/wifi/aidl/default/aidl_struct_util.h
+++ b/wifi/aidl/default/aidl_struct_util.h
@@ -17,6 +17,8 @@
 #ifndef AIDL_STRUCT_UTIL_H_
 #define AIDL_STRUCT_UTIL_H_
 
+#include <aidl/android/hardware/wifi/Akm.h>
+#include <aidl/android/hardware/wifi/CipherSuite.h>
 #include <aidl/android/hardware/wifi/IWifiChip.h>
 #include <aidl/android/hardware/wifi/IWifiChipEventCallback.h>
 #include <aidl/android/hardware/wifi/NanBandIndex.h>
@@ -153,6 +155,10 @@
         const std::vector<RttConfig>& aidl_configs,
         std::vector<legacy_hal::wifi_rtt_config_v3>* legacy_configs);
 
+bool convertAidlVectorOfRttConfigToLegacyV4(
+        const std::vector<RttConfig>& aidl_configs,
+        std::vector<legacy_hal::wifi_rtt_config_v4>* legacy_configs);
+
 bool convertAidlRttLciInformationToLegacy(const RttLciInformation& aidl_info,
                                           legacy_hal::wifi_lci_information* legacy_info);
 bool convertAidlRttLcrInformationToLegacy(const RttLcrInformation& aidl_info,
@@ -169,6 +175,9 @@
 bool convertLegacyRttCapabilitiesV3ToAidl(
         const legacy_hal::wifi_rtt_capabilities_v3& legacy_capabilities_v3,
         RttCapabilities* aidl_capabilities);
+bool convertLegacyRttCapabilitiesV4ToAidl(
+        const legacy_hal::wifi_rtt_capabilities_v4& legacy_capabilities_v4,
+        RttCapabilities* aidl_capabilities);
 
 bool convertLegacyVectorOfRttResultToAidl(
         const std::vector<const legacy_hal::wifi_rtt_result*>& legacy_results,
@@ -179,6 +188,9 @@
 bool convertLegacyVectorOfRttResultV3ToAidl(
         const std::vector<const legacy_hal::wifi_rtt_result_v3*>& legacy_results,
         std::vector<RttResult>* aidl_results);
+bool convertLegacyVectorOfRttResultV4ToAidl(
+        const std::vector<const legacy_hal::wifi_rtt_result_v4*>& legacy_results,
+        std::vector<RttResult>* aidl_results);
 uint32_t convertAidlWifiBandToLegacyMacBand(WifiBand band);
 uint32_t convertAidlWifiIfaceModeToLegacy(uint32_t aidl_iface_mask);
 uint32_t convertAidlUsableChannelFilterToLegacy(uint32_t aidl_filter_mask);
diff --git a/wifi/aidl/default/wifi_legacy_hal.cpp b/wifi/aidl/default/wifi_legacy_hal.cpp
index 8d69013..c6d6177 100644
--- a/wifi/aidl/default/wifi_legacy_hal.cpp
+++ b/wifi/aidl/default/wifi_legacy_hal.cpp
@@ -185,11 +185,14 @@
         on_rtt_results_internal_callback_v2;
 std::function<void(wifi_request_id, unsigned num_results, wifi_rtt_result_v3* rtt_results_v3[])>
         on_rtt_results_internal_callback_v3;
+std::function<void(wifi_request_id, unsigned num_results, wifi_rtt_result_v4* rtt_results_v4[])>
+        on_rtt_results_internal_callback_v4;
 
 void invalidateRttResultsCallbacks() {
     on_rtt_results_internal_callback = nullptr;
     on_rtt_results_internal_callback_v2 = nullptr;
     on_rtt_results_internal_callback_v3 = nullptr;
+    on_rtt_results_internal_callback_v4 = nullptr;
 };
 
 void onAsyncRttResults(wifi_request_id id, unsigned num_results, wifi_rtt_result* rtt_results[]) {
@@ -218,6 +221,15 @@
     }
 }
 
+void onAsyncRttResultsV4(wifi_request_id id, unsigned num_results,
+                         wifi_rtt_result_v4* rtt_results_v4[]) {
+    const auto lock = aidl_sync_util::acquireGlobalLock();
+    if (on_rtt_results_internal_callback_v4) {
+        on_rtt_results_internal_callback_v4(id, num_results, rtt_results_v4);
+        invalidateRttResultsCallbacks();
+    }
+}
+
 // Callbacks for the various NAN operations.
 // NOTE: These have very little conversions to perform before invoking the user
 // callbacks.
@@ -1344,6 +1356,38 @@
     return status;
 }
 
+wifi_error WifiLegacyHal::startRttRangeRequestV4(
+        const std::string& iface_name, wifi_request_id id,
+        const std::vector<wifi_rtt_config_v4>& rtt_configs,
+        const on_rtt_results_callback_v4& on_results_user_callback_v4) {
+    if (on_rtt_results_internal_callback_v4) {
+        return WIFI_ERROR_NOT_AVAILABLE;
+    }
+
+    on_rtt_results_internal_callback_v4 = [on_results_user_callback_v4](
+                                                  wifi_request_id id, unsigned num_results,
+                                                  wifi_rtt_result_v4* rtt_results_v4[]) {
+        if (num_results > 0 && !rtt_results_v4) {
+            LOG(ERROR) << "Unexpected nullptr in RTT v4 results";
+            return;
+        }
+        std::vector<const wifi_rtt_result_v4*> rtt_results_vec_v4;
+        std::copy_if(rtt_results_v4, rtt_results_v4 + num_results,
+                     back_inserter(rtt_results_vec_v4),
+                     [](wifi_rtt_result_v4* rtt_result_v4) { return rtt_result_v4 != nullptr; });
+        on_results_user_callback_v4(id, rtt_results_vec_v4);
+    };
+
+    std::vector<wifi_rtt_config_v4> rtt_configs_internal(rtt_configs);
+    wifi_error status = global_func_table_.wifi_rtt_range_request_v4(
+            id, getIfaceHandle(iface_name), rtt_configs.size(), rtt_configs_internal.data(),
+            {onAsyncRttResultsV4});
+    if (status != WIFI_SUCCESS) {
+        invalidateRttResultsCallbacks();
+    }
+    return status;
+}
+
 wifi_error WifiLegacyHal::startRttRangeRequestV3(
         const std::string& iface_name, wifi_request_id id,
         const std::vector<wifi_rtt_config_v3>& rtt_configs,
@@ -1460,6 +1504,14 @@
     return {status, rtt_caps_v3};
 }
 
+std::pair<wifi_error, wifi_rtt_capabilities_v4> WifiLegacyHal::getRttCapabilitiesV4(
+        const std::string& iface_name) {
+    wifi_rtt_capabilities_v4 rtt_caps_v4;
+    wifi_error status = global_func_table_.wifi_get_rtt_capabilities_v4(getIfaceHandle(iface_name),
+                                                                        &rtt_caps_v4);
+    return {status, rtt_caps_v4};
+}
+
 std::pair<wifi_error, wifi_rtt_responder> WifiLegacyHal::getRttResponderInfo(
         const std::string& iface_name) {
     wifi_rtt_responder rtt_responder;
diff --git a/wifi/aidl/default/wifi_legacy_hal.h b/wifi/aidl/default/wifi_legacy_hal.h
index f603210..46bf790 100644
--- a/wifi/aidl/default/wifi_legacy_hal.h
+++ b/wifi/aidl/default/wifi_legacy_hal.h
@@ -350,6 +350,7 @@
 using ::wifi_ring_buffer_status;
 using ::wifi_roaming_capabilities;
 using ::wifi_roaming_config;
+using ::wifi_rtt_akm;
 using ::wifi_rtt_bw;
 using ::WIFI_RTT_BW_10;
 using ::WIFI_RTT_BW_160;
@@ -361,8 +362,11 @@
 using ::WIFI_RTT_BW_UNSPECIFIED;
 using ::wifi_rtt_capabilities;
 using ::wifi_rtt_capabilities_v3;
+using ::wifi_rtt_capabilities_v4;
+using ::wifi_rtt_cipher_suite;
 using ::wifi_rtt_config;
 using ::wifi_rtt_config_v3;
+using ::wifi_rtt_config_v4;
 using ::wifi_rtt_preamble;
 using ::WIFI_RTT_PREAMBLE_EHT;
 using ::WIFI_RTT_PREAMBLE_HE;
@@ -374,6 +378,7 @@
 using ::wifi_rtt_result;
 using ::wifi_rtt_result_v2;
 using ::wifi_rtt_result_v3;
+using ::wifi_rtt_result_v4;
 using ::wifi_rtt_status;
 using ::wifi_rtt_type;
 using ::wifi_rx_packet_fate;
@@ -399,6 +404,20 @@
 using ::WLAN_MAC_5_0_BAND;
 using ::WLAN_MAC_60_0_BAND;
 using ::WLAN_MAC_6_0_BAND;
+using ::WPA_CIPHER_CCMP_128;
+using ::WPA_CIPHER_CCMP_256;
+using ::WPA_CIPHER_GCMP_128;
+using ::WPA_CIPHER_GCMP_256;
+using ::WPA_CIPHER_NONE;
+using ::WPA_KEY_MGMT_EAP_FILS_SHA256;
+using ::WPA_KEY_MGMT_EAP_FILS_SHA384;
+using ::WPA_KEY_MGMT_EAP_FT_SHA256;
+using ::WPA_KEY_MGMT_EAP_FT_SHA384;
+using ::WPA_KEY_MGMT_FT_PSK_SHA256;
+using ::WPA_KEY_MGMT_FT_PSK_SHA384;
+using ::WPA_KEY_MGMT_NONE;
+using ::WPA_KEY_MGMT_PASN;
+using ::WPA_KEY_MGMT_SAE;
 
 // APF capabilities supported by the iface.
 struct PacketFilterCapabilities {
@@ -517,6 +536,8 @@
         std::function<void(wifi_request_id, const std::vector<const wifi_rtt_result_v2*>&)>;
 using on_rtt_results_callback_v3 =
         std::function<void(wifi_request_id, const std::vector<const wifi_rtt_result_v3*>&)>;
+using on_rtt_results_callback_v4 =
+        std::function<void(wifi_request_id, const std::vector<const wifi_rtt_result_v4*>&)>;
 
 // Callback for ring buffer data.
 using on_ring_buffer_data_callback = std::function<void(
@@ -705,12 +726,17 @@
     wifi_error startRttRangeRequestV3(const std::string& iface_name, wifi_request_id id,
                                       const std::vector<wifi_rtt_config_v3>& rtt_configs,
                                       const on_rtt_results_callback_v3& on_results_callback);
+    wifi_error startRttRangeRequestV4(const std::string& iface_name, wifi_request_id id,
+                                      const std::vector<wifi_rtt_config_v4>& rtt_configs,
+                                      const on_rtt_results_callback_v4& on_results_callback);
 
     wifi_error cancelRttRangeRequest(const std::string& iface_name, wifi_request_id id,
                                      const std::vector<std::array<uint8_t, ETH_ALEN>>& mac_addrs);
     std::pair<wifi_error, wifi_rtt_capabilities> getRttCapabilities(const std::string& iface_name);
     std::pair<wifi_error, wifi_rtt_capabilities_v3> getRttCapabilitiesV3(
             const std::string& iface_name);
+    std::pair<wifi_error, wifi_rtt_capabilities_v4> getRttCapabilitiesV4(
+            const std::string& iface_name);
     std::pair<wifi_error, wifi_rtt_responder> getRttResponderInfo(const std::string& iface_name);
     wifi_error enableRttResponder(const std::string& iface_name, wifi_request_id id,
                                   const wifi_channel_info& channel_hint, uint32_t max_duration_secs,
diff --git a/wifi/aidl/default/wifi_legacy_hal_stubs.cpp b/wifi/aidl/default/wifi_legacy_hal_stubs.cpp
index 878abf0..d39894e 100644
--- a/wifi/aidl/default/wifi_legacy_hal_stubs.cpp
+++ b/wifi/aidl/default/wifi_legacy_hal_stubs.cpp
@@ -180,7 +180,9 @@
     populateStubFor(&hal_fn->wifi_set_mlo_mode);
     populateStubFor(&hal_fn->wifi_get_supported_iface_concurrency_matrix);
     populateStubFor(&hal_fn->wifi_get_rtt_capabilities_v3);
+    populateStubFor(&hal_fn->wifi_get_rtt_capabilities_v4);
     populateStubFor(&hal_fn->wifi_rtt_range_request_v3);
+    populateStubFor(&hal_fn->wifi_rtt_range_request_v4);
     populateStubFor(&hal_fn->wifi_twt_get_capabilities);
     populateStubFor(&hal_fn->wifi_twt_register_events);
     populateStubFor(&hal_fn->wifi_twt_session_setup);
diff --git a/wifi/aidl/default/wifi_rtt_controller.cpp b/wifi/aidl/default/wifi_rtt_controller.cpp
index 9dee45c..99dafe8 100644
--- a/wifi/aidl/default/wifi_rtt_controller.cpp
+++ b/wifi/aidl/default/wifi_rtt_controller.cpp
@@ -136,13 +136,46 @@
 
 ndk::ScopedAStatus WifiRttController::rangeRequestInternal(
         int32_t cmd_id, const std::vector<RttConfig>& rtt_configs) {
-    // Try 11mc & 11az ranging (v3)
+    // Try 11az secure, 11az non-secure & 11mc ranging (v4)
+    std::vector<legacy_hal::wifi_rtt_config_v4> legacy_configs_v4;
+    if (!aidl_struct_util::convertAidlVectorOfRttConfigToLegacyV4(rtt_configs,
+                                                                  &legacy_configs_v4)) {
+        return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
+    }
+    std::weak_ptr<WifiRttController> weak_ptr_this = weak_ptr_this_;
+    const auto& on_results_callback_v4 =
+            [weak_ptr_this](legacy_hal::wifi_request_id id,
+                            const std::vector<const legacy_hal::wifi_rtt_result_v4*>& results) {
+                const auto shared_ptr_this = weak_ptr_this.lock();
+                if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+                    LOG(ERROR) << "v4 Callback invoked on an invalid object";
+                    return;
+                }
+                std::vector<RttResult> aidl_results;
+                if (!aidl_struct_util::convertLegacyVectorOfRttResultV4ToAidl(results,
+                                                                              &aidl_results)) {
+                    LOG(ERROR) << "Failed to convert rtt results v4 to AIDL structs";
+                    return;
+                }
+                for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
+                    if (!callback->onResults(id, aidl_results).isOk()) {
+                        LOG(ERROR) << "Failed to invoke the v4 callback";
+                    }
+                }
+            };
+    legacy_hal::wifi_error legacy_status = legacy_hal_.lock()->startRttRangeRequestV4(
+            ifname_, cmd_id, legacy_configs_v4, on_results_callback_v4);
+
+    if (legacy_status != legacy_hal::WIFI_ERROR_NOT_SUPPORTED) {
+        return createWifiStatusFromLegacyError(legacy_status);
+    }
+
+    //  Fallback to 11az non-secure & 11mc ranging (v3)
     std::vector<legacy_hal::wifi_rtt_config_v3> legacy_configs_v3;
     if (!aidl_struct_util::convertAidlVectorOfRttConfigToLegacyV3(rtt_configs,
                                                                   &legacy_configs_v3)) {
         return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
     }
-    std::weak_ptr<WifiRttController> weak_ptr_this = weak_ptr_this_;
     const auto& on_results_callback_v3 =
             [weak_ptr_this](legacy_hal::wifi_request_id id,
                             const std::vector<const legacy_hal::wifi_rtt_result_v3*>& results) {
@@ -163,8 +196,8 @@
                     }
                 }
             };
-    legacy_hal::wifi_error legacy_status = legacy_hal_.lock()->startRttRangeRequestV3(
-            ifname_, cmd_id, legacy_configs_v3, on_results_callback_v3);
+    legacy_status = legacy_hal_.lock()->startRttRangeRequestV3(ifname_, cmd_id, legacy_configs_v3,
+                                                               on_results_callback_v3);
 
     if (legacy_status != legacy_hal::WIFI_ERROR_NOT_SUPPORTED) {
         return createWifiStatusFromLegacyError(legacy_status);
@@ -236,31 +269,46 @@
 std::pair<RttCapabilities, ndk::ScopedAStatus> WifiRttController::getCapabilitiesInternal() {
     legacy_hal::wifi_error legacy_status;
     legacy_hal::wifi_rtt_capabilities_v3 legacy_caps_v3;
-    std::tie(legacy_status, legacy_caps_v3) = legacy_hal_.lock()->getRttCapabilitiesV3(ifname_);
-    // Try v3 API first, if it is not supported fallback.
-    if (legacy_status == legacy_hal::WIFI_ERROR_NOT_SUPPORTED) {
-        legacy_hal::wifi_rtt_capabilities legacy_caps;
-        std::tie(legacy_status, legacy_caps) = legacy_hal_.lock()->getRttCapabilities(ifname_);
-        if (legacy_status != legacy_hal::WIFI_SUCCESS) {
-            return {RttCapabilities{}, createWifiStatusFromLegacyError(legacy_status)};
-        }
+    legacy_hal::wifi_rtt_capabilities_v4 legacy_caps_v4;
 
+    // Try v4 first
+    std::tie(legacy_status, legacy_caps_v4) = legacy_hal_.lock()->getRttCapabilitiesV4(ifname_);
+    if (legacy_status == legacy_hal::WIFI_SUCCESS) {
         RttCapabilities aidl_caps;
-        if (!aidl_struct_util::convertLegacyRttCapabilitiesToAidl(legacy_caps, &aidl_caps)) {
+        if (!aidl_struct_util::convertLegacyRttCapabilitiesV4ToAidl(legacy_caps_v4, &aidl_caps)) {
             return {RttCapabilities{}, createWifiStatus(WifiStatusCode::ERROR_UNKNOWN)};
         }
         return {aidl_caps, ndk::ScopedAStatus::ok()};
     }
 
-    if (legacy_status != legacy_hal::WIFI_SUCCESS) {
-        return {RttCapabilities{}, createWifiStatusFromLegacyError(legacy_status)};
+    // If not supported, fallback to v3
+    if (legacy_status == legacy_hal::WIFI_ERROR_NOT_SUPPORTED) {
+        std::tie(legacy_status, legacy_caps_v3) = legacy_hal_.lock()->getRttCapabilitiesV3(ifname_);
+        if (legacy_status == legacy_hal::WIFI_SUCCESS) {
+            RttCapabilities aidl_caps;
+            if (!aidl_struct_util::convertLegacyRttCapabilitiesV3ToAidl(legacy_caps_v3,
+                                                                        &aidl_caps)) {
+                return {RttCapabilities{}, createWifiStatus(WifiStatusCode::ERROR_UNKNOWN)};
+            }
+            return {aidl_caps, ndk::ScopedAStatus::ok()};
+        }
     }
 
-    RttCapabilities aidl_caps;
-    if (!aidl_struct_util::convertLegacyRttCapabilitiesV3ToAidl(legacy_caps_v3, &aidl_caps)) {
-        return {RttCapabilities{}, createWifiStatus(WifiStatusCode::ERROR_UNKNOWN)};
+    // If not supported, fallback to default
+    if (legacy_status == legacy_hal::WIFI_ERROR_NOT_SUPPORTED) {
+        legacy_hal::wifi_rtt_capabilities legacy_caps;
+        std::tie(legacy_status, legacy_caps) = legacy_hal_.lock()->getRttCapabilities(ifname_);
+        if (legacy_status == legacy_hal::WIFI_SUCCESS) {
+            RttCapabilities aidl_caps;
+            if (!aidl_struct_util::convertLegacyRttCapabilitiesToAidl(legacy_caps, &aidl_caps)) {
+                return {RttCapabilities{}, createWifiStatus(WifiStatusCode::ERROR_UNKNOWN)};
+            }
+            return {aidl_caps, ndk::ScopedAStatus::ok()};
+        }
     }
-    return {aidl_caps, ndk::ScopedAStatus::ok()};
+
+    // Error, if all failed
+    return {RttCapabilities{}, createWifiStatusFromLegacyError(legacy_status)};
 }
 
 ndk::ScopedAStatus WifiRttController::setLciInternal(int32_t cmd_id, const RttLciInformation& lci) {
diff --git a/wifi/legacy_headers/include/hardware_legacy/wifi_hal.h b/wifi/legacy_headers/include/hardware_legacy/wifi_hal.h
index c68cdf6..a757954 100644
--- a/wifi/legacy_headers/include/hardware_legacy/wifi_hal.h
+++ b/wifi/legacy_headers/include/hardware_legacy/wifi_hal.h
@@ -790,10 +790,13 @@
             wifi_rtt_config[], wifi_rtt_event_handler);
     wifi_error (* wifi_rtt_range_request_v3)(wifi_request_id, wifi_interface_handle, unsigned,
             wifi_rtt_config_v3[], wifi_rtt_event_handler_v3);
+    wifi_error (*wifi_rtt_range_request_v4)(wifi_request_id, wifi_interface_handle, unsigned,
+                                            wifi_rtt_config_v4[], wifi_rtt_event_handler_v4);
     wifi_error (* wifi_rtt_range_cancel)(wifi_request_id,  wifi_interface_handle, unsigned,
             mac_addr[]);
     wifi_error (* wifi_get_rtt_capabilities)(wifi_interface_handle, wifi_rtt_capabilities *);
     wifi_error (* wifi_get_rtt_capabilities_v3)(wifi_interface_handle, wifi_rtt_capabilities_v3 *);
+    wifi_error (*wifi_get_rtt_capabilities_v4)(wifi_interface_handle, wifi_rtt_capabilities_v4*);
     wifi_error (* wifi_rtt_get_responder_info)(wifi_interface_handle iface,
             wifi_rtt_responder *responder_info);
     wifi_error (* wifi_enable_responder)(wifi_request_id id, wifi_interface_handle iface,