diff --git a/radio/1.2/Android.bp b/radio/1.2/Android.bp
index 3b2a01a632..f4ca1cfea7 100644
--- a/radio/1.2/Android.bp
+++ b/radio/1.2/Android.bp
@@ -20,6 +20,7 @@ hidl_interface {
     ],
     types: [
         "CardStatus",
+        "CellConnectionStatus",
         "CellIdentityCdma",
         "CellIdentityGsm",
         "CellIdentityLte",
@@ -36,6 +37,7 @@ hidl_interface {
         "MaxSearchTimeRange",
         "NetworkScanRequest",
         "NetworkScanResult",
+        "PhysicalChannelConfig",
         "RadioConst",
         "ScanIntervalRange",
     ],
diff --git a/radio/1.2/IRadioIndication.hal b/radio/1.2/IRadioIndication.hal
index 2fb3038269..a12455738a 100644
--- a/radio/1.2/IRadioIndication.hal
+++ b/radio/1.2/IRadioIndication.hal
@@ -53,4 +53,13 @@ interface IRadioIndication extends @1.1::IRadioIndication {
      * @param lce LinkCapacityEstimate information as defined in types.hal
      */
     oneway currentLinkCapacityEstimate(RadioIndicationType type, LinkCapacityEstimate lce);
+
+    /**
+     * Indicates physical channel configurations.
+     *
+     * @param type Type of radio indication
+     * @param configs List of PhysicalChannelConfigs as defined in types.hal
+     */
+    oneway currentPhysicalChannelConfigs(RadioIndicationType type,
+            vec<PhysicalChannelConfig> configs);
 };
diff --git a/radio/1.2/types.hal b/radio/1.2/types.hal
index ca701bf7bb..d5fa098b34 100644
--- a/radio/1.2/types.hal
+++ b/radio/1.2/types.hal
@@ -64,6 +64,21 @@ enum IncrementalResultsPeriodicityRange : int32_t {
     MAX = 10,
 };
 
+enum CellConnectionStatus : int32_t {
+    /**
+     * Cell is not a serving cell.
+     */
+    NONE = 0,
+    /**
+     * UE has connection to cell for signalling and possibly data (3GPP 36.331, 25.331).
+     */
+    PRIMARY_SERVING,
+    /**
+     * UE has connection to cell for data (3GPP 36.331, 25.331).
+     */
+    SECONDARY_SERVING,
+};
+
 /**
  * Overwritten from @1.0::IndicationFilter in order to redefine ALL. In the future, this should
  * be extended instead of overwritten.
@@ -102,6 +117,12 @@ enum IndicationFilter : int32_t {
      * IRadio.setLinkCapacityReportingCriteria() are met.
      */
     LINK_CAPACITY_ESTIMATE = 1 << 3,
+    /**
+     * When this bit is set, the modem must send the physical channel configuration update through
+     * IRadioIndication.currentPhysicalChannelConfigs() when the configuration has changed. It is
+     * recommended that this be reported whenever link capacity or signal strength is reported.
+     */
+    PHYSICAL_CHANNEL_CONFIG = 1 << 4,
 };
 
 struct NetworkScanRequest {
@@ -295,3 +316,14 @@ struct LinkCapacityEstimate {
      */
     uint32_t uplinkCapacityKbps;
 };
+
+struct PhysicalChannelConfig {
+    /**
+     * Connection status for cell. Valid values are PRIMARY_SERVING and SECONDARY_SERVING.
+     */
+    CellConnectionStatus status;
+    /**
+     * Cell bandwidth, in kHz.
+     */
+    int32_t cellBandwidthDownlink;
+};