diff --git a/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioAccessFamily.aidl b/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioAccessFamily.aidl
index b400bbe..4276cb8 100644
--- a/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioAccessFamily.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioAccessFamily.aidl
@@ -71,4 +71,5 @@
    */
   LTE_CA = (1 << android.hardware.radio.RadioTechnology.LTE_CA) /* 524288 */,
   NR = (1 << android.hardware.radio.RadioTechnology.NR) /* 1048576 */,
+  NB_IOT_NTN = (1 << android.hardware.radio.RadioTechnology.NB_IOT_NTN) /* 2097152 */,
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioTechnology.aidl b/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioTechnology.aidl
index 7d2d08c..ede020d 100644
--- a/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioTechnology.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioTechnology.aidl
@@ -71,4 +71,5 @@
    */
   LTE_CA,
   NR,
+  NB_IOT_NTN,
 }
diff --git a/radio/aidl/android/hardware/radio/RadioAccessFamily.aidl b/radio/aidl/android/hardware/radio/RadioAccessFamily.aidl
index 6d38d59..c728d85 100644
--- a/radio/aidl/android/hardware/radio/RadioAccessFamily.aidl
+++ b/radio/aidl/android/hardware/radio/RadioAccessFamily.aidl
@@ -52,4 +52,8 @@
      * 5G NR. This is only use in 5G Standalone mode.
      */
     NR = 1 << RadioTechnology.NR,
+    /**
+     * 3GPP NB-IOT (Narrowband Internet of Things) over Non-Terrestrial-Networks technology.
+     */
+    NB_IOT_NTN = 1 << RadioTechnology.NB_IOT_NTN,
 }
diff --git a/radio/aidl/android/hardware/radio/RadioTechnology.aidl b/radio/aidl/android/hardware/radio/RadioTechnology.aidl
index cd82ef5..d6e5cd8 100644
--- a/radio/aidl/android/hardware/radio/RadioTechnology.aidl
+++ b/radio/aidl/android/hardware/radio/RadioTechnology.aidl
@@ -59,4 +59,8 @@
      * 5G NR. This is only used in 5G Standalone mode.
      */
     NR,
+    /**
+     * 3GPP NB-IOT (Narrowband Internet of Things) over Non-Terrestrial-Networks technology.
+     */
+    NB_IOT_NTN,
 }