diff --git a/sdrgui/CMakeLists.txt b/sdrgui/CMakeLists.txt
index f401299f2..6a5470142 100644
--- a/sdrgui/CMakeLists.txt
+++ b/sdrgui/CMakeLists.txt
@@ -61,6 +61,7 @@ set(sdrgui_SOURCES
     soapygui/dynamicitemsettinggui.cpp
     soapygui/intervalslidergui.cpp
     soapygui/complexfactorgui.cpp
+    soapygui/arginfogui.cpp
 
     webapi/webapiadaptergui.cpp
 )
@@ -126,6 +127,7 @@ set(sdrgui_HEADERS
     soapygui/dynamicitemsettinggui.h
     soapygui/intervalslidergui.h
     soapygui/complexfactorgui.h
+    soapygui/arginfogui.h
 
     webapi/webapiadaptergui.h
 )
@@ -159,6 +161,7 @@ set(sdrgui_FORMS
     soapygui/intervalrangegui.ui
     soapygui/intervalslidergui.ui
     soapygui/complexfactorgui.ui
+    soapygui/arginfogui.ui
 )
 
 set(sdrgui_RESOURCES
diff --git a/sdrgui/soapygui/arginfogui.cpp b/sdrgui/soapygui/arginfogui.cpp
new file mode 100644
index 000000000..802fa0ce5
--- /dev/null
+++ b/sdrgui/soapygui/arginfogui.cpp
@@ -0,0 +1,374 @@
+///////////////////////////////////////////////////////////////////////////////////
+// Copyright (C) 2018 Edouard Griffiths, F4EXB                                   //
+//                                                                               //
+// This program is free software; you can redistribute it and/or modify          //
+// it under the terms of the GNU General Public License as published by          //
+// the Free Software Foundation as version 3 of the License, or                  //
+//                                                                               //
+// This program is distributed in the hope that it will be useful,               //
+// but WITHOUT ANY WARRANTY; without even the implied warranty of                //
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                  //
+// GNU General Public License V3 for more details.                               //
+//                                                                               //
+// You should have received a copy of the GNU General Public License             //
+// along with this program. If not, see <http://www.gnu.org/licenses/>.          //
+///////////////////////////////////////////////////////////////////////////////////
+
+#include <math.h>
+#include <QHBoxLayout>
+
+#include "ui_arginfogui.h"
+#include "arginfogui.h"
+
+ArgInfoGUI::ArgInfoGUI(ArgInfoType type, ArgInfoValueType valueType, QWidget *parent) :
+    QWidget(parent),
+    ui(new Ui::ArgInfoGUI),
+    m_type(type),
+    m_valueType(valueType),
+    m_boolValue(false),
+    m_intValue(0),
+    m_floatValue(0.0),
+    m_hasRange(false),
+    m_minValue(0.0),
+    m_maxValue(0.0)
+{
+    ui->setupUi(this);
+    QHBoxLayout *layout = ui->argLayout;
+
+    if (m_type != ArgInfoBinary) {
+        layout->removeWidget(ui->argCheck);
+    }
+    if (m_type != ArgInfoContinuous) {
+        layout->removeWidget(ui->argEdit);
+    }
+    if (m_type != ArgInfoDiscrete) {
+        layout->removeWidget(ui->argCombo);
+    }
+}
+
+ArgInfoGUI::~ArgInfoGUI()
+{
+    delete ui;
+}
+
+void ArgInfoGUI::setRange(double min, double max)
+{
+    m_hasRange = true;
+    m_minValue = min;
+    m_maxValue = max;
+}
+
+void ArgInfoGUI::setLabel(const QString& text)
+{
+    ui->argLabel->setText(text);
+}
+
+void ArgInfoGUI::setUnits(const QString& units)
+{
+    ui->argUnits->setText(units);
+}
+
+void ArgInfoGUI::setBoolValue(bool value)
+{
+    if (m_valueType == ArgInfoValueBool)
+    {
+        m_boolValue = value;
+        updateUIFromBool();
+    }
+    else if (m_valueType == ArgInfoValueInt)
+    {
+        m_intValue = setIntegerValue(value ? 1 : 0);
+        updateUIFromInt();
+    }
+    else if (m_valueType == ArgInfoValueFloat)
+    {
+        m_floatValue = setDoubleValue(value ? 1.0 : 0.0);
+        updateUIFromFloat();
+    }
+    else if (m_valueType == ArgInfoValueString)
+    {
+        m_stringValue = QString(value ? "true" : "false");
+        updateUIFromString();
+    }
+}
+
+void ArgInfoGUI::addBoolValue(const QString& text, bool value)
+{
+    if (m_type == ArgInfoDiscrete) {
+        ui->argCombo->addItem(text, QVariant(value));
+    }
+}
+
+void ArgInfoGUI::setIntValue(int value)
+{
+    if (m_valueType == ArgInfoValueBool)
+    {
+        m_boolValue = (value != 0);
+        updateUIFromBool();
+    }
+    else if (m_valueType == ArgInfoValueInt)
+    {
+        m_intValue = setIntegerValue(value);
+        updateUIFromInt();
+    }
+    else if (m_valueType == ArgInfoValueFloat)
+    {
+        m_floatValue = setDoubleValue(value);
+        updateUIFromFloat();
+    }
+    else if (m_valueType == ArgInfoValueString)
+    {
+        m_stringValue = QString("%1").arg(value);
+        updateUIFromString();
+    }
+}
+
+void ArgInfoGUI::addIntValue(const QString& text, int value)
+{
+    if (m_type == ArgInfoDiscrete) {
+        ui->argCombo->addItem(text, QVariant(setIntegerValue(value)));
+    }
+}
+
+void ArgInfoGUI::setFloatValue(double value)
+{
+    if (m_valueType == ArgInfoValueBool)
+    {
+        m_boolValue = (value != 0.0);
+        updateUIFromBool();
+    }
+    else if (m_valueType == ArgInfoValueInt)
+    {
+        m_intValue = setIntegerValue(value);
+        updateUIFromInt();
+    }
+    else if (m_valueType == ArgInfoValueFloat)
+    {
+        m_floatValue = setDoubleValue(value);
+        updateUIFromFloat();
+    }
+    else if (m_valueType == ArgInfoValueString)
+    {
+        m_stringValue = QString("%1").arg(value);
+        updateUIFromString();
+    }
+}
+
+void ArgInfoGUI::addFloatValue(const QString& text, double value)
+{
+    if (m_type == ArgInfoDiscrete) {
+        ui->argCombo->addItem(text, QVariant(setDoubleValue(value)));
+    }
+}
+
+void ArgInfoGUI::setStringValue(const QString& value)
+{
+    if (m_valueType == ArgInfoValueBool)
+    {
+        m_boolValue = (value == "true");
+        updateUIFromBool();
+    }
+    else if (m_valueType == ArgInfoValueInt)
+    {
+        int intValue = atoi(value.toStdString().c_str());
+        m_intValue = setIntegerValue(intValue);
+        updateUIFromInt();
+    }
+    else if (m_valueType == ArgInfoValueFloat)
+    {
+        double doubleValue = atof(value.toStdString().c_str());
+        m_floatValue = setDoubleValue(doubleValue);
+        updateUIFromFloat();
+    }
+    else if (m_valueType == ArgInfoValueString)
+    {
+        m_stringValue = value;
+        updateUIFromString();
+    }
+}
+
+void ArgInfoGUI::addStringValue(const QString& text, const QString& value)
+{
+    if (m_type == ArgInfoDiscrete) {
+        ui->argCombo->addItem(text, QVariant(value));
+    }
+}
+
+int ArgInfoGUI::setIntegerValue(int value)
+{
+    if (m_hasRange) {
+        return value < round(m_minValue) ? round(m_minValue) : value > round(m_maxValue) ? round(m_maxValue) : value;
+    } else {
+        return value;
+    }
+}
+
+double ArgInfoGUI::setDoubleValue(double value)
+{
+    if (m_hasRange) {
+        return value < m_minValue ? m_minValue : value > m_maxValue ? m_maxValue : value;
+    } else {
+        return value;
+    }
+}
+
+void ArgInfoGUI::updateUIFromBool()
+{
+    if (m_type == ArgInfoBinary)
+    {
+        ui->argCheck->blockSignals(true);
+        ui->argCheck->setChecked(m_boolValue);
+        ui->argCheck->blockSignals(false);
+    }
+    else if (m_type == ArgInfoContinuous)
+    {
+        ui->argEdit->blockSignals(true);
+        ui->argEdit->setText(QString(m_boolValue ? "true" : "false"));
+        ui->argEdit->blockSignals(false);
+    }
+    else if (m_type == ArgInfoDiscrete)
+    {
+        if (ui->argCombo->count() > 1)
+        {
+            ui->argCombo->blockSignals(true);
+            ui->argCombo->setCurrentIndex(m_boolValue ? 0 : 1);
+            ui->argCombo->blockSignals(false);
+        }
+    }
+}
+
+void ArgInfoGUI::updateUIFromInt()
+{
+    if (m_type == ArgInfoBinary)
+    {
+        ui->argCheck->blockSignals(true);
+        ui->argCheck->setChecked(m_intValue == 0 ? false : true);
+        ui->argCheck->blockSignals(false);
+    }
+    else if (m_type == ArgInfoContinuous)
+    {
+        ui->argEdit->blockSignals(true);
+        ui->argEdit->setText(QString("%1").arg(m_intValue));
+        ui->argEdit->blockSignals(false);
+    }
+    else if (m_type == ArgInfoDiscrete)
+    {
+        for (int i = 0; i < ui->argCombo->count(); i++)
+        {
+            if (ui->argCombo->itemData(i).type() == QVariant::Int)
+            {
+                bool ok = false;
+                QVariant v = ui->argCombo->itemData(i);
+
+                if (m_intValue >= v.toInt(&ok) && ok)
+                {
+                    ui->argCombo->blockSignals(true);
+                    ui->argCombo->setCurrentIndex(i);
+                    ui->argCombo->blockSignals(false);
+                    break;
+                }
+            }
+        }
+    }
+}
+
+void ArgInfoGUI::updateUIFromFloat()
+{
+    if (m_type == ArgInfoBinary)
+    {
+        ui->argCheck->blockSignals(true);
+        ui->argCheck->setChecked(m_floatValue == 0.0 ? false : true);
+        ui->argCheck->blockSignals(false);
+    }
+    else if (m_type == ArgInfoContinuous)
+    {
+        ui->argEdit->blockSignals(true);
+        ui->argEdit->setText(QString("%1").arg(m_floatValue));
+        ui->argEdit->blockSignals(false);
+    }
+    else if (m_type == ArgInfoDiscrete)
+    {
+        for (int i = 0; i < ui->argCombo->count(); i++)
+        {
+            if (ui->argCombo->itemData(i).type() == QVariant::Double)
+            {
+                bool ok = false;
+                QVariant v = ui->argCombo->itemData(i);
+
+                if (m_floatValue >= v.toDouble(&ok) && ok)
+                {
+                    ui->argCombo->blockSignals(true);
+                    ui->argCombo->setCurrentIndex(i);
+                    ui->argCombo->blockSignals(false);
+                    break;
+                }
+            }
+        }
+    }
+}
+
+void ArgInfoGUI::updateUIFromString()
+{
+    if (m_type == ArgInfoBinary)
+    {
+        ui->argCheck->blockSignals(true);
+        ui->argCheck->setChecked(m_stringValue == "true" ? true : false);
+        ui->argCheck->blockSignals(false);
+    }
+    else if (m_type == ArgInfoContinuous)
+    {
+        ui->argEdit->blockSignals(true);
+        ui->argEdit->setText(m_stringValue);
+        ui->argEdit->blockSignals(false);
+    }
+}
+
+void ArgInfoGUI::on_argCheck_toggled(bool checked)
+{
+    setBoolValue(checked);
+    emit valueChanged();
+}
+
+void ArgInfoGUI::on_argEdit_editingFinished()
+{
+    setStringValue(ui->argEdit->text());
+    emit valueChanged();
+}
+
+#ifdef _MSC_VER
+void ArgInfoGUI::on_argCombo_currentIndexChanged(int index)
+#else
+void ArgInfoGUI::on_argCombo_currentIndexChanged(int index __attribute__((unused)))
+#endif
+{
+    QVariant v = ui->argCombo->currentData();
+    bool ok = false;
+
+    if (v.type() == QVariant::Bool)
+    {
+        setBoolValue(v.toBool());
+        emit valueChanged();
+    }
+    else if (v.type() == QVariant::Int)
+    {
+        setIntValue(v.toInt(&ok));
+
+        if (ok) {
+            emit valueChanged();
+        }
+    }
+    else if (v.type() == QVariant::Double)
+    {
+        setFloatValue(v.toDouble(&ok));
+
+        if (ok) {
+            emit valueChanged();
+        }
+    }
+    else if (v.type() ==QVariant::String)
+    {
+        setStringValue(v.toString());
+        emit valueChanged();
+    }
+}
+
diff --git a/sdrgui/soapygui/arginfogui.h b/sdrgui/soapygui/arginfogui.h
new file mode 100644
index 000000000..b93777863
--- /dev/null
+++ b/sdrgui/soapygui/arginfogui.h
@@ -0,0 +1,101 @@
+///////////////////////////////////////////////////////////////////////////////////
+// Copyright (C) 2018 Edouard Griffiths, F4EXB                                   //
+//                                                                               //
+// This program is free software; you can redistribute it and/or modify          //
+// it under the terms of the GNU General Public License as published by          //
+// the Free Software Foundation as version 3 of the License, or                  //
+//                                                                               //
+// This program is distributed in the hope that it will be useful,               //
+// but WITHOUT ANY WARRANTY; without even the implied warranty of                //
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                  //
+// GNU General Public License V3 for more details.                               //
+//                                                                               //
+// You should have received a copy of the GNU General Public License             //
+// along with this program. If not, see <http://www.gnu.org/licenses/>.          //
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef SDRGUI_SOAPYGUI_ARGINFOGUI_H_
+#define SDRGUI_SOAPYGUI_ARGINFOGUI_H_
+
+#include <QWidget>
+#include <QString>
+
+#include "export.h"
+
+namespace Ui {
+    class ArgInfoGUI;
+}
+
+class SDRGUI_API ArgInfoGUI : public QWidget
+{
+    Q_OBJECT
+public:
+    enum ArgInfoType
+    {
+        ArgInfoBinary,
+        ArgInfoContinuous,
+        ArgInfoDiscrete
+    };
+
+    enum ArgInfoValueType
+    {
+        ArgInfoValueBool,
+        ArgInfoValueInt,
+        ArgInfoValueFloat,
+        ArgInfoValueString
+    };
+
+    explicit ArgInfoGUI(ArgInfoType type, ArgInfoValueType valueType, QWidget *parent = 0);
+    ~ArgInfoGUI();
+
+    void setLabel(const QString& text);
+    void setUnits(const QString& units);
+
+    ArgInfoType getType() const { return m_type; }
+    void setRange(double min, double max);
+
+    bool getBoolValue() const { return m_boolValue; }
+    void setBoolValue(bool value);
+    void addBoolValue(const QString& text, bool value);
+
+    int getIntValue() const { return m_intValue; }
+    void setIntValue(int value);
+    void addIntValue(const QString& text, int value);
+
+    double getFloatValue() const { return m_floatValue; }
+    void setFloatValue(double value);
+    void addFloatValue(const QString& text, double value);
+
+    const QString& getStringValue() const { return m_stringValue; }
+    void setStringValue(const QString& value);
+    void addStringValue(const QString& text, const QString& value);
+
+signals:
+    void valueChanged();
+
+private slots:
+    void on_argCheck_toggled(bool checked);
+    void on_argEdit_editingFinished();
+    void on_argCombo_currentIndexChanged(int index);
+
+private:
+    int setIntegerValue(int value);
+    double setDoubleValue(double value);
+    void updateUIFromBool();
+    void updateUIFromInt();
+    void updateUIFromFloat();
+    void updateUIFromString();
+
+    Ui::ArgInfoGUI* ui;
+    ArgInfoType m_type;
+    ArgInfoValueType m_valueType;
+    bool m_boolValue;
+    int m_intValue;
+    double m_floatValue;
+    QString m_stringValue;
+    bool m_hasRange;
+    double m_minValue;
+    double m_maxValue;
+};
+
+#endif /* SDRGUI_SOAPYGUI_ARGINFOGUI_H_ */
diff --git a/sdrgui/soapygui/arginfogui.ui b/sdrgui/soapygui/arginfogui.ui
new file mode 100644
index 000000000..bac0a3f0f
--- /dev/null
+++ b/sdrgui/soapygui/arginfogui.ui
@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ArgInfoGUI</class>
+ <widget class="QWidget" name="ArgInfoGUI">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>384</width>
+    <height>30</height>
+   </rect>
+  </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="MinimumExpanding" vsizetype="MinimumExpanding">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>0</width>
+    <height>30</height>
+   </size>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <widget class="QWidget" name="horizontalLayoutWidget">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>379</width>
+     <height>29</height>
+    </rect>
+   </property>
+   <layout class="QHBoxLayout" name="argLayout">
+    <item>
+     <widget class="QLabel" name="argLabel">
+      <property name="minimumSize">
+       <size>
+        <width>80</width>
+        <height>0</height>
+       </size>
+      </property>
+      <property name="text">
+       <string>Label</string>
+      </property>
+     </widget>
+    </item>
+    <item>
+     <widget class="QCheckBox" name="argCheck">
+      <property name="text">
+       <string/>
+      </property>
+     </widget>
+    </item>
+    <item>
+     <widget class="QLineEdit" name="argEdit"/>
+    </item>
+    <item>
+     <widget class="QComboBox" name="argCombo"/>
+    </item>
+    <item>
+     <widget class="QLabel" name="argUnits">
+      <property name="text">
+       <string>Unit</string>
+      </property>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>