diff --git a/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorSessionAppConfigTlvTypes.aidl b/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorSessionAppConfigTlvTypes.aidl
index d02cf4da1a..bb543f2b3d 100644
--- a/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorSessionAppConfigTlvTypes.aidl
+++ b/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorSessionAppConfigTlvTypes.aidl
@@ -46,4 +46,5 @@ enum UwbVendorSessionAppConfigTlvTypes {
   NB_OF_ELEVATION_MEASUREMENTS = 0xE5,
   ENABLE_DIAGNOSTICS = 0xE8,
   DIAGRAMS_FRAME_REPORTS_FIELDS = 0xE9,
+  ANTENNA_MODE = 0xEA,
 }
diff --git a/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorSessionAppConfigTlvTypes.aidl b/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorSessionAppConfigTlvTypes.aidl
index 65bb1c9bbd..b8b4490f5c 100644
--- a/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorSessionAppConfigTlvTypes.aidl
+++ b/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorSessionAppConfigTlvTypes.aidl
@@ -87,4 +87,12 @@ enum UwbVendorSessionAppConfigTlvTypes {
      * b3 - b7: RFU
      */
     DIAGRAMS_FRAME_REPORTS_FIELDS = 0xE9,
+
+    /**
+     * 1 byte data
+     * 0x0: Omni mode - the ranging antenna is used for both Tx and Rx.
+     * 0x1: Directional mode - the patch antenna is used for both Tx and Rx.
+     * 0x2 - 0xFF: RFU
+     */
+    ANTENNA_MODE = 0xEA,
 }