Mobile phone radiation is measured by SAR value.
What we often hear is the specific absorption rate of mobile phone SAR: SAR represents the allowable radiation absorbed by organisms (including human body) per unit kilogram. This SAR value represents the influence of radiation on human body and is the most direct test value. SAR has data of the whole body, parts and limbs. The lower the SAR value, the less radiation is absorbed. Among them, the standard SAR value of the brain part must be lower than1.67W to be safe. However, this does not mean that the SAR level is directly related to the health of mobile phone users.
Does cell phone radiation affect health?
At present, the global scientific and technological community has not reached a conclusion about the harm of mobile phones to human health, and there is no evidence that mobile phones and mobile base stations pose a threat to health in any institution (including the World Health Organization) that tracks and studies the radiation problems of mobile phones. It is reported that the SAR value standard stipulated by the International Commission on Non-ionizing Radiation Protection (ICNIRP) is 2W/ kg body weight, which has been adopted by most European countries, because there is no definite scientific evidence that the radiation within ICNIRP limits will affect human health.
Domestic mobile phones are very safe to use.
China's SAR is limited to 1W/kg, which is twice as small as that specified by ICNIRP. That is to say, mobile phones produced and sold in China must undergo rigorous testing before reaching consumers, and the standard of SAR value must meet the requirements. Both GSM mobile phones and CDMA mobile phones have to go through this barrier, so domestic mobile phone users can now use their mobile phones with confidence, and don't reduce their use because they are worried about mobile phone radiation. First of all, this is unnecessary.