The remains of a GSSD communications bunker are located near Luckenwalde. If necessary, the building served as a transmission point for the main news center RANET; in times of peace, another object near Saalow was used for transmission.The system was remotely controlled from Wünsdorf, the headquarters and news workers were also from Wünsdorf. When the commanding officer entered the command post provided for the event of war or tension, the commanding officer went to his command post and is said to have radio communications with the subordinates, the equals, through his protected transmitter The PDRZ (Note: Russian abbreviation for radio transmission center ) this bunker remained the transmission center of the main communication centerThe structure itself is basically an AU-11 curved shelter built at ground level.