what is SAR value in mobile phone ?
Channel: THE HIREN
Date: 2023-12-03

Specific Absorption Rate (SAR) is a measure of the rate at which energy is absorbed per unit mass by a human body when exposed to a radio frequency (RF) electromagnetic field . It is defined as the power absorbed per mass of tissue and has units of watts per kilogram (W/kg) . SAR is usually averaged either over the whole body or over a small sample volume (typically 1 g or 10 g of tissue) .

Electromagnetic radiation is a type of energy that travels through space at the speed of light . It is produced by the movement of electrically charged particles and is present in many forms, including radio waves, microwaves, X-rays, and gamma rays .

In the context of mobile phones, SAR is used to measure the amount of RF energy absorbed by the human body when using a mobile phone . SAR values may be measured as full-body or localized (like the head) . In INDIA there is a limit of 1.6 W/KG.

*A explanation of what SAR.
*An overview of the potential health effects of exposure to electromagnetic radiation.
*Tips for reducing exposure to electromagnetic radiation, such as using a hands-free device or keeping your phone away from your body.

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