diff --git a/client/src/cmdlfem4x50.h b/client/src/cmdlfem4x50.h
new file mode 100644
index 000000000..3868e6113
--- /dev/null
+++ b/client/src/cmdlfem4x50.h
@@ -0,0 +1,18 @@
+//-----------------------------------------------------------------------------
+// Copyright (C) 2020 tharexde
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Low frequency EM4x50 commands
+//-----------------------------------------------------------------------------
+
+#ifndef CMDLFEM4X50_H__
+#define CMDLFEM4X50_H__
+
+int usage_lf_em4x50_info(void);
+
+int CmdEM4x50Info(const char *Cmd);
+
+#endif