New Delhi: When Gaurav asked for a mobile phone, with all his classmates showing off their smartphones, his mother was unwilling to spend too much on something she believed was only good for making calls. She bought him a smartphone from a lesser known brand, for just upwards of Rs.4,000. But, did she consider how safe it was?One key aspect of mobile phone safety that most people are unaware of is its SAR or Specific Absorption Rate value. It is a measure of the amount of energy absorbed by the body when exposed to radio frequency (RF) electromagnetic waves such as those emitted by mobile phones.
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