diff --git a/plugins/samplesink/soapysdroutput/soapysdroutput.cpp b/plugins/samplesink/soapysdroutput/soapysdroutput.cpp
index 9e56248a6..c775143cd 100644
--- a/plugins/samplesink/soapysdroutput/soapysdroutput.cpp
+++ b/plugins/samplesink/soapysdroutput/soapysdroutput.cpp
@@ -44,6 +44,7 @@ SoapySDROutput::SoapySDROutput(DeviceSinkAPI *deviceAPI) :
 {
     openDevice();
     initGainSettings(m_settings);
+    initTunableElementsSettings(m_settings);
     initStreamArgSettings(m_settings);
     initDeviceArgSettings(m_settings);
 }
@@ -263,6 +264,26 @@ void SoapySDROutput::initGainSettings(SoapySDROutputSettings& settings)
     updateGains(m_deviceShared.m_device, m_deviceShared.m_channel, settings);
 }
 
+void SoapySDROutput::initTunableElementsSettings(SoapySDROutputSettings& settings)
+{
+    const DeviceSoapySDRParams::ChannelSettings* channelSettings = m_deviceShared.m_deviceParams->getTxChannelSettings(m_deviceShared.m_channel);
+    settings.m_tunableElements.clear();
+    bool first = true;
+
+    for (const auto &it : channelSettings->m_frequencySettings)
+    {
+        if (first)
+        {
+            first = false;
+            continue;
+        }
+
+        settings.m_tunableElements[QString(it.m_name.c_str())] = 0.0;
+    }
+
+    updateTunableElements(m_deviceShared.m_device, m_deviceShared.m_channel, settings);
+}
+
 const SoapySDR::ArgInfoList& SoapySDROutput::getStreamArgInfoList()
 {
     const DeviceSoapySDRParams::ChannelSettings* channelSettings = m_deviceShared.m_deviceParams->getTxChannelSettings(m_deviceShared.m_channel);
@@ -692,6 +713,17 @@ void SoapySDROutput::updateGains(SoapySDR::Device *dev, int requestedChannel, So
     }
 }
 
+void SoapySDROutput::updateTunableElements(SoapySDR::Device *dev, int requestedChannel, SoapySDROutputSettings& settings)
+{
+    if (dev == 0) {
+        return;
+    }
+
+    for (const auto &name : settings.m_tunableElements.keys()) {
+        settings.m_tunableElements[name] = dev->getFrequency(SOAPY_SDR_TX, requestedChannel, name.toStdString());
+    }
+}
+
 bool SoapySDROutput::handleMessage(const Message& message)
 {
     if (MsgConfigureSoapySDROutput::match(message))
diff --git a/plugins/samplesink/soapysdroutput/soapysdroutput.h b/plugins/samplesink/soapysdroutput/soapysdroutput.h
index 0facbc805..7be726329 100644
--- a/plugins/samplesink/soapysdroutput/soapysdroutput.h
+++ b/plugins/samplesink/soapysdroutput/soapysdroutput.h
@@ -143,6 +143,7 @@ public:
     const SoapySDR::ArgInfoList& getStreamArgInfoList();
     const SoapySDR::ArgInfoList& getDeviceArgInfoList();
     void initGainSettings(SoapySDROutputSettings& settings);
+    void initTunableElementsSettings(SoapySDROutputSettings& settings);
     void initStreamArgSettings(SoapySDROutputSettings& settings);
     void initDeviceArgSettings(SoapySDROutputSettings& settings);
     bool hasDCAutoCorrection();
@@ -189,6 +190,7 @@ private:
     bool applySettings(const SoapySDROutputSettings& settings, bool force = false);
     bool setDeviceCenterFrequency(SoapySDR::Device *dev, int requestedChannel, quint64 freq_hz, int loPpmTenths);
     void updateGains(SoapySDR::Device *dev, int requestedChannel, SoapySDROutputSettings& settings);
+    void updateTunableElements(SoapySDR::Device *dev, int requestedChannel, SoapySDROutputSettings& settings);
     void webapiFormatDeviceSettings(SWGSDRangel::SWGDeviceSettings& response, const SoapySDROutputSettings& settings);
     void webapiFormatDeviceReport(SWGSDRangel::SWGDeviceReport& response);
     QVariant webapiVariantFromArgValue(SWGSDRangel::SWGArgValue *argValue);
diff --git a/plugins/samplesink/soapysdroutput/soapysdroutputgui.cpp b/plugins/samplesink/soapysdroutput/soapysdroutputgui.cpp
index aab300296..cdd528ce7 100644
--- a/plugins/samplesink/soapysdroutput/soapysdroutputgui.cpp
+++ b/plugins/samplesink/soapysdroutput/soapysdroutputgui.cpp
@@ -72,6 +72,7 @@ SoapySDROutputGui::SoapySDROutputGui(DeviceUISet *deviceUISet, QWidget* parent)
     createArgumentsControl(m_sampleSink->getDeviceArgInfoList(), true);
     createArgumentsControl(m_sampleSink->getStreamArgInfoList(), false);
     m_sampleSink->initGainSettings(m_settings);
+    m_sampleSink->initTunableElementsSettings(m_settings);
     m_sampleSink->initStreamArgSettings(m_settings);
     m_sampleSink->initDeviceArgSettings(m_settings);
 
diff --git a/plugins/samplesource/soapysdrinput/soapysdrinput.cpp b/plugins/samplesource/soapysdrinput/soapysdrinput.cpp
index 5d0d96b03..8bdbc2b36 100644
--- a/plugins/samplesource/soapysdrinput/soapysdrinput.cpp
+++ b/plugins/samplesource/soapysdrinput/soapysdrinput.cpp
@@ -48,6 +48,7 @@ SoapySDRInput::SoapySDRInput(DeviceSourceAPI *deviceAPI) :
 {
     openDevice();
     initGainSettings(m_settings);
+    initTunableElementsSettings(m_settings);
     initStreamArgSettings(m_settings);
     initDeviceArgSettings(m_settings);
 
@@ -301,6 +302,26 @@ void SoapySDRInput::initGainSettings(SoapySDRInputSettings& settings)
     updateGains(m_deviceShared.m_device, m_deviceShared.m_channel, settings);
 }
 
+void SoapySDRInput::initTunableElementsSettings(SoapySDRInputSettings& settings)
+{
+    const DeviceSoapySDRParams::ChannelSettings* channelSettings = m_deviceShared.m_deviceParams->getRxChannelSettings(m_deviceShared.m_channel);
+    settings.m_tunableElements.clear();
+    bool first = true;
+
+    for (const auto &it : channelSettings->m_frequencySettings)
+    {
+        if (first)
+        {
+            first = false;
+            continue;
+        }
+
+        settings.m_tunableElements[QString(it.m_name.c_str())] = 0.0;
+    }
+
+    updateTunableElements(m_deviceShared.m_device, m_deviceShared.m_channel, settings);
+}
+
 void SoapySDRInput::initStreamArgSettings(SoapySDRInputSettings& settings)
 {
     const DeviceSoapySDRParams::ChannelSettings* channelSettings = m_deviceShared.m_deviceParams->getRxChannelSettings(m_deviceShared.m_channel);
@@ -719,6 +740,17 @@ void SoapySDRInput::updateGains(SoapySDR::Device *dev, int requestedChannel, Soa
     }
 }
 
+void SoapySDRInput::updateTunableElements(SoapySDR::Device *dev, int requestedChannel, SoapySDRInputSettings& settings)
+{
+    if (dev == 0) {
+        return;
+    }
+
+    for (const auto &name : settings.m_tunableElements.keys()) {
+        settings.m_tunableElements[name] = dev->getFrequency(SOAPY_SDR_RX, requestedChannel, name.toStdString());
+    }
+}
+
 bool SoapySDRInput::handleMessage(const Message& message)
 {
     if (MsgConfigureSoapySDRInput::match(message))
diff --git a/plugins/samplesource/soapysdrinput/soapysdrinput.h b/plugins/samplesource/soapysdrinput/soapysdrinput.h
index c7aa959a5..d0cfb2739 100644
--- a/plugins/samplesource/soapysdrinput/soapysdrinput.h
+++ b/plugins/samplesource/soapysdrinput/soapysdrinput.h
@@ -165,6 +165,7 @@ public:
     const SoapySDR::ArgInfoList& getStreamArgInfoList();
     const SoapySDR::ArgInfoList& getDeviceArgInfoList();
     void initGainSettings(SoapySDRInputSettings& settings);
+    void initTunableElementsSettings(SoapySDRInputSettings& settings);
     void initStreamArgSettings(SoapySDRInputSettings& settings);
     void initDeviceArgSettings(SoapySDRInputSettings& settings);
     bool hasDCAutoCorrection();
@@ -212,6 +213,7 @@ private:
     bool applySettings(const SoapySDRInputSettings& settings, bool force = false);
     bool setDeviceCenterFrequency(SoapySDR::Device *dev, int requestedChannel, quint64 freq_hz, int loPpmTenths);
     void updateGains(SoapySDR::Device *dev, int requestedChannel, SoapySDRInputSettings& settings);
+    void updateTunableElements(SoapySDR::Device *dev, int requestedChannel, SoapySDRInputSettings& settings);
     void webapiFormatDeviceSettings(SWGSDRangel::SWGDeviceSettings& response, const SoapySDRInputSettings& settings);
     void webapiFormatDeviceReport(SWGSDRangel::SWGDeviceReport& response);
     QVariant webapiVariantFromArgValue(SWGSDRangel::SWGArgValue *argValue);
diff --git a/plugins/samplesource/soapysdrinput/soapysdrinputgui.cpp b/plugins/samplesource/soapysdrinput/soapysdrinputgui.cpp
index 5a3363311..b96f3bb71 100644
--- a/plugins/samplesource/soapysdrinput/soapysdrinputgui.cpp
+++ b/plugins/samplesource/soapysdrinput/soapysdrinputgui.cpp
@@ -73,6 +73,7 @@ SoapySDRInputGui::SoapySDRInputGui(DeviceUISet *deviceUISet, QWidget* parent) :
     createArgumentsControl(m_sampleSource->getDeviceArgInfoList(), true);
     createArgumentsControl(m_sampleSource->getStreamArgInfoList(), false);
     m_sampleSource->initGainSettings(m_settings);
+    m_sampleSource->initTunableElementsSettings(m_settings);
     m_sampleSource->initStreamArgSettings(m_settings);
     m_sampleSource->initDeviceArgSettings(m_settings);