The radio cable loop was designec for protection of mobile belongings, like bicycles, surf boards, camping furniture,...
The cable is guided through the arm rest or bike frame, then the sending unit through the loop at the end of the cable. Now the sending unit is clipped in the wall holder.
A magnet in the wall holder enables the same functionality as the wireless contact. When the main unit is activated, the sending unit alerts the extraction, cutting or tearing as well as external magnetic fields.
Hence you will be informed on the attempt of burglary.