This transparent film is installed on the buildings' existing windows thus reducing 98%  of electromagnetic radiation (satellite transmition, cellular, radio) from entering through the building glass.    Al-Sorag guarantees that this product is an effective shield against non-ionized radiation RFI / EMI.  

It has been tested by the SII, Soreq, The Nuclear Research Center (NRC) and has also been proven effective by qualified inspectors of  the Environment Quality Office.