Sunday, May 17, 2020

How to check Radiation Level of Android Phone

What is SAR


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 can also refer to absorption of other forms of energy by tissue, including ultrasound.[1]
It is defined as the power absorbed per mass of tissue and has units of watts per kilogram (W/kg).

All mobile phone models are tested to make sure they meet national and international exposure limits for exposure to radiofrequency emissions, before they can be sold in each market.

The SAR values reported for each model of mobile phone tend to significantly overstate real-life exposure levels, as models of phones are tested at maximum power levels under laboratory conditions to ensure that they comply.

Mobile phones tend not to operate at maximum power levels during everyday use.

In order to avoid network interference, improve battery life and available call time, mobile phones constantly adapt to the minimum power required to make and maintain a call.

How to check Radiation Level in Phone

Open Dialer and type   *#07#

A  dialog will open showing  your Phone's SAR level

SAR Normal Value : 1.6 W/KG

If your phone's SAR is leass 1.6, it is good.

The lesser SAR, better for you.








 

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