The iPhone 5 was unveiled recently at the Apple Keynote speech, given by Tim Cook to mixed reviews. Some writers and tech gurus gushed about the new, “sleek” design and the fast processor, while others yawned about how it just seemed like the old iPhone with a slightly elongated screen.
According to iLounge’s recent review, the iPhone 5’s battery life may not measure up to expectations. The report noted that if users are not in a place with a strong signal, the phones battery may struggle to hold calls and transfer data, meaning the phone is working harder which causes the battery to drain faster.
So what does this mean for the average user? Besides a shorter battery life, it can cause an increase in users exposure to radiation, which can lead to numerous health concerns like dizziness, headaches and possibly cancer. Though inconclusive, studies have shown a correlation between cell phone radiation and cancer rates, especially in children.
tawkon allows you to monitor your exposure to electromagnetic waves emitted by your smartphone, as well as monitor the exposure of your family and friends. When radiation from your phone spikes, you will receive an alert that your exposure is too high as well as tips on how to minimize it.
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Phones must be qualified/certified before being sold in the market and their maximum SAR value must not exceed the FCC regulation, which is 1.6 W / kg.
We recently put out an infographic on iPhone 4/4s and various Android devices and their SAR. Now that the highly anticipated iPhone 5 has come out, we decided to take a look at the fine print and see how it compares to the others in terms of SAR.
We did some digging and found the breakdown of SAR measurements for the iPhone 5 on the Apple page. Below you can see how the iPhone 5 compares to other popular phones in the market, as well as its predecessor, the iPhone 4s.
|Position||Device||SAR (in W/Kg)|
|1||Samsung Galaxy Note II||0.171 W/Kg|
|2||Samsung Galaxy Note||0.209 W/Kg|
|3||Samsung Galaxy S2||0.247 W/Kg|
|4||Samsung Galaxy Nexus||0.303 W/Kg|
|5||Samsung Galaxy S3||0.342 W/Kg|
|6||Google/LG Nexus 4||0.550 W/Kg|
|7||HTC One S||0.687 W/Kg|
|8||Samsung Galaxy Ace||0.840 W/Kg|
|9||Blackberry Z10||1.010 W/Kg|
|10||iPhone 5||1.180 W/Kg|
|*||iPhone 4s||1.110 W/Kg|
Based on the chart above, the SAR for the iPhone 5 is relatively high, espeicaly when compared to the Samsung Galaxy S3, which has an SAR score of .342 W/kg
While both phones proport to have similar battery life spans (~7.5 hours), a quick search on Google will prove that there have been quite a few reports of people whose iPhone's have drained far too quickly. Similar reports for the Galaxy S3 are harder to find.
Is there a correlation between battery performance and SAR? There is no conclusive evidence one way or the other. What is obvious is that Samsung is keeping one step ahead with the Galaxy S3 in terms of exposure to electromagnetic waves emitted during mobile phone use; this is true for both the iPhone 4/4s and the iPhone 5.
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