In 2011, IARC (International Agency for Research on Cancer) has classified mobile phone radiation on the IARC scale into Group 2B - '''possibly carcinogenic.''' Here is what WHO is really saying "'''A large number of studies have been performed over the last two decades to assess whether mobile phones pose a potential health risk. To date, no adverse health effects have been established as being caused by mobile phone use."''' from [http://www.who.int/mediacentre/factsheets/fs193/en/|here]
Radio frequency exposure limits for mobile phone users are given in terms of Specific Absorption Rate (SAR) Health Canada’s guidelines place a limit of 1.6 W/kg for the head and torso and 4.0 W/kg for the limbs. US SAR limits are the same as Canadian SAR limits. [http://reviews.cnet.com/2719-6602_7-291-2.html|Here is] a list of 20 phones and their SAR level. Remember these are in watts per KG .
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Now for your iPad, check the info on page 4 on [http://manuals.info.apple.com/en_US/ipad_2_att_important_product_info.pdf|this document] You can clearly see that the highest amount of SAR is at the 2400–2483.5 Mhz range with an SAR of only 0.99W/Kg. For more research into this you should check [http://www.antenna-theory.com/tutorial/cancer/cellphone.php|on here]. Looks to me like you are pretty safe using your iPad without an aluminum hat. Hope this helps, good luck.
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Now for your iPad, check the info on page 4 on [http://manuals.info.apple.com/en_US/ipad_2_att_important_product_info.pdf|this document] You can clearly see that the highest amount of SAR is at the 2400–2483.5 Mhz range with an SAR of only 0.99 W/Kg. For more research into this you should check [http://www.antenna-theory.com/tutorial/cancer/cellphone.php|on here]. Looks to me like you are pretty safe using your iPad without an aluminum hat. Hope this helps, good luck.
In 2011, IARC (International Agency for Research on Cancer) has classified mobile phone radiation on the IARC scale into Group 2B - '''possibly carcinogenic.''' Here is what WHO is really saying "'''A large number of studies have been performed over the last two decades to assess whether mobile phones pose a potential health risk. To date, no adverse health effects have been established as being caused by mobile phone use."''' from [http://www.who.int/mediacentre/factsheets/fs193/en/|here]
Radio frequency exposure limits for mobile phone users are given in terms of Specific Absorption Rate (SAR) Health Canada’s guidelines place a limit of 1.6 W/kg for the head and torso and 4.0 W/kg for the limbs. US SAR limits are the same as Canadian SAR limits. [http://reviews.cnet.com/2719-6602_7-291-2.html|Here is] a list of 20 phones and their SAR level. Remember these are in watts per KG .
Now for your iPad, check the info on page 4 on [http://manuals.info.apple.com/en_US/ipad_2_att_important_product_info.pdf|this document] You can clearly see that the highest amount of SAR is at the 2400–2483.5 Mhz range with an SAR of only 0.99W/Kg. For more research into this you should check [http://www.antenna-theory.com/tutorial/cancer/cellphone.php|on here]. Looks to me like you are pretty safe using your iPad without an aluminum hat. Hope this helps, good luck.