Method for suppressing use of a mobile phone and protecting against interference field in an area in a wireless communication network

Checking unit for suppressing use of a mobile communications network in an area, the checking unit comprising:

• a communications means and an evaluation means,
• a connection to a terminal device configured to be set up by means of the communications means,
• the evaluation means configured to determine the location of the terminal device in a first, second or third position area in such a manner that
• the checking unit suppresses, as a function of at least one rule, a connection to the mobile communications network for a terminal device inside the first position area, where at least a part of the area is covered by the first position area,
• a position configured to be determined for a terminal device inside the second position area,
• the checking unit configured to suppress a connection of the terminal device at a position inside the area, and the checking unit configured to carry out a connection of the terminal device at a position outside the area, where the second position area borders the first position area at least in some regions,
• the checking unit configured to carry out a connection of a terminal device inside the third position area, where the third position area borders the second position area at least in some regions, wherein
• the first position area is spanned by at least a first base station, the second position area is spanned by at least a second base station, and the third position area is spanned by at least a third base station, and
• the position is determined for the terminal device only when the terminal device is inside the second position area.