diff --git a/src/bpslabel.h b/src/bpslabel.h
new file mode 100644
--- /dev/null
+++ b/src/bpslabel.h
@@ -0,0 +1,55 @@
+/*
+  Copyright © 2019 Hasan Yavuz Özderya
+
+  This file is part of serialplot.
+
+  serialplot 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, either version 3 of the License, or
+  (at your option) any later version.
+
+  serialplot 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 for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef BPSLABEL_H
+#define BPSLABEL_H
+
+#include <QLabel>
+#include <QTimer>
+
+#include "portcontrol.h"
+#include "dataformatpanel.h"
+
+/**
+ * Displays bits per second read from device.
+ *
+ * Displays a warning if maximum bit rate is reached.
+ */
+class BPSLabel : public QLabel
+{
+    Q_OBJECT
+
+public:
+    explicit BPSLabel(PortControl* portControl,
+                      DataFormatPanel* dataFormatPanel,
+                      QWidget *parent = 0);
+
+private:
+    PortControl* _portControl;
+    DataFormatPanel* _dataFormatPanel;
+    QTimer bpsTimer;
+
+    uint64_t prevBytesRead;
+
+private slots:
+    void onBpsTimeout();
+    void onPortToggled(bool open);
+};
+
+#endif // BPSLABEL_H