all these indicators are checked in the laboratories of the belarusian state institute of standardizationon will use the equipment. we are with you at one of the sites of our laboratory, where we we evaluate the electromagnetic compatibility of technical equipment, which consists of the study of electromagnetic radiation that is generated by various equipment, electronic, vehicles, industrial equipment, as well as the study of the resistance of this equipment to the electromagnetic radiation that we create, for example, we can generate signals from cellular base stations towers, television towers and check how any of the technical means of the products will function under the influence of these signals. for example, today they are testing the operation of a mobile operator’s antenna and measuring the radiation pattern. for example, in the horizontal plane the antenna radiation pattern should be 60°, that is, a 360° coverage is provided by six antennas. if the radiation pattern goes beyond these limits, this situation may lead to unstable reception on the mobile phone and interference. and