Trai — sar value of mobiles of all companies

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New Delhi, Delhi, 110031

Why sar value of mobile is must mentioned in mobile specifications or should clear by mobile companies.
The guidelines created a measure of the rate that body tissue absorbs radiation during cell phone use called the specific absorption rate (Sar). The sar for cell phone radiation was set at a maximum of 1.6 watts of energy absorbed per kilogram of body weight.