Patent ID: 7126552

Claim:
Device for transmission of an electromagnetic radiation, particularly a radio frequency radiation, this device comprising: first means ( 2 ) for transmission and/or reception of said electromagnetic radiation, second means ( 4 ) for reception and/or transmission of said electromagnetic radiation, these second means being separated from the first means by a wall ( 6 ), and passive electromagnetic coupling means ( 32 ) between the first and second means, these passive electromagnetic coupling means comprising first and second antennas ( 12 , 14 ) which are placed on each side of the wall, and means of making an electrical connection ( 16 ) between the first and second antennas, these electrical connecting means passing through the wall, this device being characterized in that it also comprises electromagnetic protection means ( 20 ) arranged on all or some of the surfaces of the wall facing the first and second antennas, these electromagnetic protection means being made of an electrically conducting material.