What is specific absorption rate

1. What is Specific Absorption Rate? www.plus100years.com

2. What is Specific Absorption Rate? • The measure of the rate of which the radio frequency or RF energy is absorbed by a living body from the measuring source (cell phone in this case) is known as SAR or Specific Absorption Rate. • It is a straightforward or direct process to measure exposure properties of the RF of cell phones so that the mobile phones produced are according to the set guidelines.

3. How is SAR testing carried out? • During the SAR testing standardized models of the human body and the head are filled using RF absorption stimulating liquids of various human tissues. • To determine the compliance of each cell phone, it is tested at its highest operational level in all the frequency bands within which its operations are carried out. • The cell phone is tested in various positions against the dummy body and the head to understand the effect as different users hold the cell phone in different ways, especially to the side of head.

4. When the cell phone is positioned near different common positions next to the body and the head, a robotic probe is carried out in which the series of electric field measurements at a specific location in a precise pattern within the dummy body and the head are measured. • The data thus collected is then submitted for final confirmation to ensure that the cell phone model is safe for use. • During the measurement, only the highest values of the SAR for every frequency band are mentioned within the final authorization document.

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