diff --git a/radio/1.6/IRadio.hal b/radio/1.6/IRadio.hal
index 7f874c6..c73745a 100644
--- a/radio/1.6/IRadio.hal
+++ b/radio/1.6/IRadio.hal
@@ -340,15 +340,15 @@
      *
      * @param serial Serial number of request.
      * @param dataThrottlingAction DataThrottlingAction as defined in types.hal
-     * @param completionWindowSecs window, in seconds, in which the requested
-     *     throttling action has to be achieved. This must be 0 when
+     * @param completionDurationMillis window, in milliseconds, in which the
+     *     requested throttling action has to be achieved. This must be 0 when
      *     dataThrottlingAction is DataThrottlingAction:HOLD.
      *
      * Response function is IRadioResponse.setDataThrottlingResponse()
      */
     oneway setDataThrottling(int32_t serial,
             DataThrottlingAction dataThrottlingAction,
-            int32_t completionWindowSecs);
+            int64_t completionDurationMillis);
 
     /**
      * Get which bands the modem's background scan is acting on.
diff --git a/radio/1.6/vts/functional/radio_hidl_hal_api.cpp b/radio/1.6/vts/functional/radio_hidl_hal_api.cpp
index d3ffba9..6b1ff27 100644
--- a/radio/1.6/vts/functional/radio_hidl_hal_api.cpp
+++ b/radio/1.6/vts/functional/radio_hidl_hal_api.cpp
@@ -303,7 +303,7 @@
     serial = GetRandomSerialNumber();
 
     Return<void> res = radio_v1_6->setDataThrottling(
-            serial, DataThrottlingAction::THROTTLE_SECONDARY_CARRIER, 60);
+            serial, DataThrottlingAction::THROTTLE_SECONDARY_CARRIER, 60000);
     ASSERT_OK(res);
 
     EXPECT_EQ(std::cv_status::no_timeout, wait());
@@ -318,7 +318,8 @@
 
     serial = GetRandomSerialNumber();
 
-    res = radio_v1_6->setDataThrottling(serial, DataThrottlingAction::THROTTLE_ANCHOR_CARRIER, 60);
+    res = radio_v1_6->setDataThrottling(serial, DataThrottlingAction::THROTTLE_ANCHOR_CARRIER,
+                                        60000);
     ASSERT_OK(res);
 
     EXPECT_EQ(std::cv_status::no_timeout, wait());
@@ -333,7 +334,7 @@
 
     serial = GetRandomSerialNumber();
 
-    res = radio_v1_6->setDataThrottling(serial, DataThrottlingAction::HOLD, 60);
+    res = radio_v1_6->setDataThrottling(serial, DataThrottlingAction::HOLD, 60000);
     ASSERT_OK(res);
 
     EXPECT_EQ(std::cv_status::no_timeout, wait());
@@ -348,7 +349,7 @@
 
     serial = GetRandomSerialNumber();
 
-    res = radio_v1_6->setDataThrottling(serial, DataThrottlingAction::NO_DATA_THROTTLING, 60);
+    res = radio_v1_6->setDataThrottling(serial, DataThrottlingAction::NO_DATA_THROTTLING, 60000);
     ASSERT_OK(res);
 
     EXPECT_EQ(std::cv_status::no_timeout, wait());