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Recently I have just discovered that a certain amount of the mobile phone frequency can be absorbed by human tissues.

For example, this is the SAR info of iPhone 4s:

Head: 1.180 W/kg 1 g
Body: 0.491 W/kg 1g
Hotspot: 0.491 W/kg 1 g

http://en.wikipedia.org/wiki/IPhone_4S

so hotspot means a hot spot on human body right?

Then question is:

What are hot spots on human body?

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    $\begingroup$ "Hot spot" does not refer to anything on the human body, but testing while using the phone's "Personal hot spot" feature: support.apple.com/kb/ht4517 See also the documents on "RF exposure info" at apps.fcc.gov/oetcf/eas/reports/… $\endgroup$
    – jarlemag
    Jun 8 '14 at 22:13
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    $\begingroup$ I think hotspot in that context means the highest exposure amount as this document shows (apps.fcc.gov/eas/GetApplicationAttachment.html?id=1544448), which comes from the reference the above wiki page provided. $\endgroup$ Jun 8 '14 at 22:13
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    $\begingroup$ @ Bez, i don't think so, hotspot mean "if iPhone works as a WiFi hotspot" & the Wi-Fi hotspot can generate WiFi electromagnetic radiation). I opened a WiFi last time & I suddenly feel a litle bit of uncomfortable when sitting next to it so i have to turn it off. (radiationtalk.com/info/wifi_radiation.php) $\endgroup$
    – Tim
    Jun 9 '14 at 2:14
  • $\begingroup$ The author has listed the Specific absorption rate of radio frequencies and asked about hot spots which is not something associated with the human body and is a mobile phone technology (to my knowledge). The question is just wrong and the author has not made relevant efforts to understand the topic before placing the question. $\endgroup$ Jun 11 '14 at 7:18
  • $\begingroup$ I vote to keep open. The question is reasonable and easily answerable:"Hot spots" in this context does not refer to anything on the body). $\endgroup$
    – jarlemag
    Jun 12 '14 at 6:33

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