diff --git a/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl b/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl
index 58919d1..09cdc26 100644
--- a/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl
+++ b/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl
@@ -35,6 +35,7 @@
 @Backing(type="int") @VintfStability
 enum UwbVendorCapabilityTlvTypes {
   SUPPORTED_POWER_STATS_QUERY = 0xC0,
+  SUPPORTED_ANTENNA_MODES = 0xC1,
   CCC_SUPPORTED_CHAPS_PER_SLOT = 0xA0,
   CCC_SUPPORTED_SYNC_CODES = 0xA1,
   CCC_SUPPORTED_HOPPING_CONFIG_MODES_AND_SEQUENCES = 0xA2,
diff --git a/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvValues.aidl b/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvValues.aidl
index 702e561..d9b7220 100644
--- a/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvValues.aidl
+++ b/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvValues.aidl
@@ -34,6 +34,8 @@
 package android.hardware.uwb.fira_android;
 @Backing(type="long") @VintfStability
 enum UwbVendorCapabilityTlvValues {
+  ANTENNA_MODE_OMNI = 1,
+  ANTENNA_MODE_DIRECTIONAL = (1 << 1) /* 2 */,
   UWB_CONFIG_0 = 0,
   UWB_CONFIG_1 = 1,
   PULSE_SHAPE_SYMMETRICAL_ROOT_RAISED_COSINE = 0,
diff --git a/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl b/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl
index 4df45b6..28e44ef 100644
--- a/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl
+++ b/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl
@@ -41,6 +41,13 @@
      */
     SUPPORTED_POWER_STATS_QUERY = 0xC0,
 
+    /**
+     * 1 byte bitmask to indicate which antennas modes are supported.
+     * 0x01 = "Omni mode",
+     * 0x02 = "Directional mode",
+     */
+    SUPPORTED_ANTENNA_MODES = 0xC1,
+
     /*********************************************
      * CCC specific
      ********************************************/
diff --git a/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvValues.aidl b/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvValues.aidl
index 6ef52fe..e5165dc 100644
--- a/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvValues.aidl
+++ b/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvValues.aidl
@@ -25,6 +25,12 @@
 @Backing(type="long")
 enum UwbVendorCapabilityTlvValues {
     /*********************************************
+     * Protocol agnostic
+     ********************************************/
+    ANTENNA_MODE_OMNI = 1,
+    ANTENNA_MODE_DIRECTIONAL = 1 << 1,
+
+    /*********************************************
      * CCC specific
      ********************************************/
     UWB_CONFIG_0 = 0,