diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/RttBw.aidl b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/RttBw.aidl
index bd7efff..f5bf894 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/RttBw.aidl
+++ b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/RttBw.aidl
@@ -34,6 +34,7 @@
 package android.hardware.wifi;
 @Backing(type="int") @VintfStability
 enum RttBw {
+  BW_UNSPECIFIED = 0,
   BW_5MHZ = 1,
   BW_10MHZ = 2,
   BW_20MHZ = 4,
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/RttResult.aidl b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/RttResult.aidl
index 743e0bd..8375dcb 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/RttResult.aidl
+++ b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/RttResult.aidl
@@ -57,4 +57,6 @@
   int negotiatedBurstNum;
   android.hardware.wifi.WifiInformationElement lci;
   android.hardware.wifi.WifiInformationElement lcr;
+  int channelFreqMHz;
+  android.hardware.wifi.RttBw packetBw;
 }
diff --git a/wifi/aidl/android/hardware/wifi/RttBw.aidl b/wifi/aidl/android/hardware/wifi/RttBw.aidl
index 9d42dc0..be9ecbd 100644
--- a/wifi/aidl/android/hardware/wifi/RttBw.aidl
+++ b/wifi/aidl/android/hardware/wifi/RttBw.aidl
@@ -22,6 +22,7 @@
 @VintfStability
 @Backing(type="int")
 enum RttBw {
+    BW_UNSPECIFIED = 0x0,
     BW_5MHZ = 0x01,
     BW_10MHZ = 0x02,
     BW_20MHZ = 0x04,
diff --git a/wifi/aidl/android/hardware/wifi/RttResult.aidl b/wifi/aidl/android/hardware/wifi/RttResult.aidl
index 565cce7..6c45e2c 100644
--- a/wifi/aidl/android/hardware/wifi/RttResult.aidl
+++ b/wifi/aidl/android/hardware/wifi/RttResult.aidl
@@ -16,6 +16,7 @@
 
 package android.hardware.wifi;
 
+import android.hardware.wifi.RttBw;
 import android.hardware.wifi.RttStatus;
 import android.hardware.wifi.RttType;
 import android.hardware.wifi.WifiInformationElement;
@@ -132,4 +133,15 @@
      * For 11mc only.
      */
     WifiInformationElement lcr;
+    /**
+     * RTT channel frequency in MHz
+     * If frequency is unknown, this will be set to 0.
+     */
+    int channelFreqMHz;
+    /**
+     * RTT packet bandwidth.
+     * This value is an average bandwidth of the bandwidths of measurement
+     * frames. Cap the average close to a specific valid RttBw.
+     */
+    RttBw packetBw;
 }