diff --git a/src/gui/providers/sensorthings/qgssensorthingssourcewidget.cpp b/src/gui/providers/sensorthings/qgssensorthingssourcewidget.cpp
index af81a37bc80..54895b06bdb 100644
--- a/src/gui/providers/sensorthings/qgssensorthingssourcewidget.cpp
+++ b/src/gui/providers/sensorthings/qgssensorthingssourcewidget.cpp
@@ -31,6 +31,8 @@ QgsSensorThingsSourceWidget::QgsSensorThingsSourceWidget( QWidget *parent )
 {
   setupUi( this );
 
+  mSpinPageSize->setClearValue( 0, tr( "Default" ) );
+
   for ( Qgis::SensorThingsEntity type :
         {
           Qgis::SensorThingsEntity::Thing,
@@ -50,6 +52,7 @@ QgsSensorThingsSourceWidget::QgsSensorThingsSourceWidget( QWidget *parent )
 
   connect( mComboEntityType, qOverload< int >( &QComboBox::currentIndexChanged ), this, &QgsSensorThingsSourceWidget::entityTypeChanged );
   connect( mComboGeometryType, qOverload< int >( &QComboBox::currentIndexChanged ), this, &QgsSensorThingsSourceWidget::validate );
+  connect( mSpinPageSize, qOverload< int >( &QSpinBox::valueChanged ), this, &QgsSensorThingsSourceWidget::validate );
 }
 
 void QgsSensorThingsSourceWidget::setSourceUri( const QString &uri )
@@ -64,6 +67,17 @@ void QgsSensorThingsSourceWidget::setSourceUri( const QString &uri )
   rebuildGeometryTypes( type );
   setCurrentGeometryTypeFromString( mSourceParts.value( QStringLiteral( "geometryType" ) ).toString() );
 
+  bool ok = false;
+  const int maxPageSizeParam = mSourceParts.value( QStringLiteral( "pageSize" ) ).toInt( &ok );
+  if ( ok )
+  {
+    mSpinPageSize->setValue( maxPageSizeParam );
+  }
+  else
+  {
+    mSpinPageSize->clear();
+  }
+
   mIsValid = true;
 }
 
@@ -99,6 +113,15 @@ QString QgsSensorThingsSourceWidget::sourceUri() const
     }
   }
 
+  if ( mSpinPageSize->value() > 0 )
+  {
+    parts.insert( QStringLiteral( "pageSize" ), QString::number( mSpinPageSize->value() ) );
+  }
+  else
+  {
+    parts.remove( QStringLiteral( "pageSize" ) );
+  }
+
   return QgsProviderRegistry::instance()->encodeUri(
            QgsSensorThingsProvider::SENSORTHINGS_PROVIDER_KEY,
            parts
diff --git a/src/ui/qgssensorthingssourcewidgetbase.ui b/src/ui/qgssensorthingssourcewidgetbase.ui
index 24754a3dc98..bd2a1e4fbe7 100644
--- a/src/ui/qgssensorthingssourcewidgetbase.ui
+++ b/src/ui/qgssensorthingssourcewidgetbase.ui
@@ -24,6 +24,9 @@
      </property>
     </widget>
    </item>
+   <item row="1" column="1">
+    <widget class="QComboBox" name="mComboGeometryType"/>
+   </item>
    <item row="1" column="0">
     <widget class="QLabel" name="label_2">
      <property name="text">
@@ -31,11 +34,29 @@
      </property>
     </widget>
    </item>
-   <item row="1" column="1">
-    <widget class="QComboBox" name="mComboGeometryType"/>
+   <item row="2" column="0">
+    <widget class="QLabel" name="label_3">
+     <property name="text">
+      <string>Page size</string>
+     </property>
+    </widget>
+   </item>
+   <item row="2" column="1">
+    <widget class="QgsSpinBox" name="mSpinPageSize">
+     <property name="maximum">
+      <number>9999999</number>
+     </property>
+    </widget>
    </item>
   </layout>
  </widget>
+ <customwidgets>
+  <customwidget>
+   <class>QgsSpinBox</class>
+   <extends>QSpinBox</extends>
+   <header>qgsspinbox.h</header>
+  </customwidget>
+ </customwidgets>
  <resources/>
  <connections/>
 </ui>