diff --git a/devices/hackrf/CMakeLists.txt b/devices/hackrf/CMakeLists.txt
index 76b2b6faf..bef8053ef 100644
--- a/devices/hackrf/CMakeLists.txt
+++ b/devices/hackrf/CMakeLists.txt
@@ -3,12 +3,14 @@ project(hackrfdevice)
 set(hackrfdevice_SOURCES
     devicehackrf.cpp
     devicehackrfvalues.cpp
+    devicehackrfshared.cpp
 )
 
 set(hackrfdevice_HEADERS
     devicehackrf.h
     devicehackrfparam.h
     devicehackrfvalues.h
+    devicehackrfshared.h
 )
 
 if (BUILD_DEBIAN)
diff --git a/devices/hackrf/devicehackrfshared.cpp b/devices/hackrf/devicehackrfshared.cpp
new file mode 100644
index 000000000..aa7092369
--- /dev/null
+++ b/devices/hackrf/devicehackrfshared.cpp
@@ -0,0 +1,21 @@
+///////////////////////////////////////////////////////////////////////////////////
+// Copyright (C) 2017 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 "devicehackrfshared.h"
+
+MESSAGE_CLASS_DEFINITION(DeviceHackRFShared::MsgConfigureFrequencyDelta, Message)
+
+
diff --git a/devices/hackrf/devicehackrfshared.h b/devices/hackrf/devicehackrfshared.h
new file mode 100644
index 000000000..c1b3d32d2
--- /dev/null
+++ b/devices/hackrf/devicehackrfshared.h
@@ -0,0 +1,47 @@
+///////////////////////////////////////////////////////////////////////////////////
+// Copyright (C) 2017 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 DEVICES_HACKRF_DEVICEHACKRFSHARED_H_
+#define DEVICES_HACKRF_DEVICEHACKRFSHARED_H_
+
+#include "util/message.h"
+
+class DeviceHackRFShared
+{
+    class MsgConfigureFrequencyDelta : public Message
+    {
+        MESSAGE_CLASS_DECLARATION
+
+    public:
+        int getFrequencyDelta() const { return m_frequencyDelta; }
+
+        static MsgConfigureFrequencyDelta *create(int frequencyDelta)
+        {
+            return new MsgConfigureFrequencyDelta(frequencyDelta);
+        }
+
+    private:
+        int m_frequencyDelta;
+
+        MsgConfigureFrequencyDelta(int frequencyDelta) :
+            Message(),
+            m_frequencyDelta(frequencyDelta)
+        { }
+    };
+};
+
+
+#endif /* DEVICES_HACKRF_DEVICEHACKRFSHARED_H_ */