Expertise in Protection and Research
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Citizenservice
SAR values of mobile phones
SAR values of mobile phones
The specific absorption rate (SAR) is a measure for the energy absorbed by the body. Its measure is Watt per kilogram (W/kg). In order to avoid adverse health effects, the specific absorption rate of a mobile phone must not exceed 2 Watts per kilogram.
UV-forecast
UV-forecast
The UV Index (UVI) is internationally standardized. It is a measure of the intensity of UV radiation reaching the earth's surface on a horizontal area, weighted according to the risk of sunburn.
Radon-Map
Radon-Map
Radon is constantly generated in soil by the radioactive decay of radium. The radon concentration in soil air greatly influences the radon migration into a building. A map of radon concentrations in soil air in Germany is the basis for assessing the regional radon situation.
Information for
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Information material
Free, helpful, and easy to understand: The Federal Office for Radiation Protection (BfS) provides information on all aspects of radiation protection – through brochures, multimedia content, and dedicated topic pages. What would you like to know?
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Expert knowledge
Scientific expertise at the BfS: There is much to discover – from education and further training to medical authorisation procedures and current research projects and their findings. Explore the BfS!
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Press information
Current background information, statements, or images: Your contact persons at the BfS press office will help you with your inquiries. You can contact them by using the weblink "Press contact". Or have a look at more information for media representatives.
