diff --git a/plugins/samplesource/sigmffileinput/sigmffileinputgui.cpp b/plugins/samplesource/sigmffileinput/sigmffileinputgui.cpp
index f9ee95489..f577aa569 100644
--- a/plugins/samplesource/sigmffileinput/sigmffileinputgui.cpp
+++ b/plugins/samplesource/sigmffileinput/sigmffileinputgui.cpp
@@ -62,9 +62,14 @@ SigMFFileInputGUI::SigMFFileInputGUI(DeviceUISet *deviceUISet, QWidget* parent)
 	m_lastEngineState(DeviceAPI::StNotStarted)
 {
 	ui->setupUi(this);
+
 	ui->centerFrequency->setColorMapper(ColorMapper(ColorMapper::GrayGold));
-	ui->centerFrequency->setValueRange(7, 0, pow(10,7));
-	ui->fileNameText->setText(m_metaFileName);
+	ui->centerFrequency->setValueRange(8, 0, pow(10,8));
+
+	ui->centerFrequencyHz->setColorMapper(ColorMapper(ColorMapper::GrayGold));
+	ui->centerFrequencyHz->setValueRange(3, 0, 999U);
+
+    ui->fileNameText->setText(m_metaFileName);
 	ui->crcLabel->setStyleSheet("QLabel { background:rgb(79,79,79); }");
     ui->captureTable->setSelectionMode(QAbstractItemView::NoSelection);
 
@@ -587,6 +592,7 @@ void SigMFFileInputGUI::updateWithStreamData()
 
     ui->trackNumberText->setText(tr("%1").arg(m_currentTrackIndex + 1, 3, 10, QChar('0')));
 	ui->centerFrequency->setValue(m_centerFrequency/1000);
+    ui->centerFrequencyHz->setValue(m_centerFrequency % 1000);
 	ui->sampleRateText->setText(tr("%1k").arg((float)m_sampleRate / 1000));
 	QTime recordLength(0, 0, 0, 0);
 	recordLength = recordLength.addSecs(m_recordLength / m_sampleRate);
diff --git a/plugins/samplesource/sigmffileinput/sigmffileinputgui.ui b/plugins/samplesource/sigmffileinput/sigmffileinputgui.ui
index 6bf04b69e..4c326d7e2 100644
--- a/plugins/samplesource/sigmffileinput/sigmffileinputgui.ui
+++ b/plugins/samplesource/sigmffileinput/sigmffileinputgui.ui
@@ -6,20 +6,20 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>303</width>
-    <height>447</height>
+    <width>360</width>
+    <height>420</height>
    </rect>
   </property>
   <property name="sizePolicy">
-   <sizepolicy hsizetype="Preferred" vsizetype="Maximum">
+   <sizepolicy hsizetype="MinimumExpanding" vsizetype="Maximum">
     <horstretch>0</horstretch>
     <verstretch>0</verstretch>
    </sizepolicy>
   </property>
   <property name="minimumSize">
    <size>
-    <width>250</width>
-    <height>360</height>
+    <width>360</width>
+    <height>420</height>
    </size>
   </property>
   <property name="font">
@@ -82,7 +82,7 @@
           <widget class="QLabel" name="deviceRateText">
            <property name="minimumSize">
             <size>
-             <width>50</width>
+             <width>56</width>
              <height>0</height>
             </size>
            </property>
@@ -149,11 +149,55 @@
       </widget>
      </item>
      <item>
-      <widget class="QLabel" name="freqUnits">
-       <property name="text">
-        <string> kHz</string>
+      <layout class="QVBoxLayout" name="HzLayout">
+       <property name="leftMargin">
+        <number>6</number>
        </property>
-      </widget>
+       <property name="rightMargin">
+        <number>6</number>
+       </property>
+       <item>
+        <widget class="ValueDial" name="centerFrequencyHz" native="true">
+         <property name="enabled">
+          <bool>false</bool>
+         </property>
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Maximum" vsizetype="Maximum">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="minimumSize">
+          <size>
+           <width>32</width>
+           <height>16</height>
+          </size>
+         </property>
+         <property name="font">
+          <font>
+           <family>Liberation Mono</family>
+           <pointsize>12</pointsize>
+          </font>
+         </property>
+         <property name="cursor">
+          <cursorShape>PointingHandCursor</cursorShape>
+         </property>
+         <property name="focusPolicy">
+          <enum>Qt::StrongFocus</enum>
+         </property>
+         <property name="toolTip">
+          <string>Record center frequency in kHz</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QLabel" name="freqUnits">
+         <property name="text">
+          <string>Hz</string>
+         </property>
+        </widget>
+       </item>
+      </layout>
      </item>
      <item>
       <spacer name="freqRightlSpacer">