diff --git a/radio/1.4/IRadioIndication.hal b/radio/1.4/IRadioIndication.hal
index 58b7b70..3c61f96 100644
--- a/radio/1.4/IRadioIndication.hal
+++ b/radio/1.4/IRadioIndication.hal
@@ -89,4 +89,12 @@
      *        3. Unsolicited disconnect from either modem or network side.
      */
     oneway dataCallListChanged_1_4(RadioIndicationType type, vec<SetupDataCallResult> dcList);
+
+    /**
+     * Indicates current signal strength of the radio.
+     *
+     * @param type Type of radio indication
+     * @param signalStrength SignalStrength information
+     */
+    oneway currentSignalStrength_1_4(RadioIndicationType type, SignalStrength signalStrength);
 };