what is mean by sar value in mobile
Specific absorption rate SAR measures exposure to fields between 100 kHz and 10 GHz (known as radio waves).[4] It is commonly used to measure power absorbed from mobile phones and during MRI scans. The value will depend heavily on the geometry of the part of the body that is exposed to the RF energy, and on the exact location and geometry of the RF source. Thus tests must be made with each specific source, such as a mobile phone model, and at the intended position of use.
Air quality index Some of the key pollutant densities in Î¼g/m3 for the hourly background index, the corresponding sub-indices, and five CAQI ranges and verbal descriptions are as follows.[33]