Even if it is 0.910 w / kg of 12 mini, it is fully in line with the national mandatory standard gb21288-2007 “local exposure limits of electromagnetic radiation from mobile phones”. The upper limit specified in the specification shall not exceed 2.0w/kg < / P > < p > of course, as long as SAR is within the limit, it will not affect health. At the same time, the lower the value within the limit, the less radiation is absorbed by the brain. < p > < p > according to the data, the European Union, like China, requires SAR at 2.0w/kg, while the FCC of the United States is more stringent, which should not exceed 1.6w/kg. In addition, the SAR given by the regulatory authorities is generally conservative, and it is generally believed that SAR less than 50 times of the above standard is actually safe. Epic Games accused Google of monopolizing the latter, which may have a better chance than apple