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	<title>Comments on: Cell phones cause cancer?</title>
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	<link>https://www.epanorama.net/blog/2011/06/01/cell-phones-cause-cancer/</link>
	<description>All about electronics and circuit design</description>
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	<item>
		<title>By: Tomi Engdahl</title>
		<link>https://www.epanorama.net/blog/2011/06/01/cell-phones-cause-cancer/comment-page-1/#comment-1822316</link>
		<dc:creator><![CDATA[Tomi Engdahl]]></dc:creator>
		<pubDate>Thu, 15 Feb 2024 11:53:42 +0000</pubDate>
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		<description><![CDATA[https://etn.fi/index.php/13-news/15849-kuinka-paljon-puhelimen-saeteilyae-kehosi-sietaeae]]></description>
		<content:encoded><![CDATA[<p><a href="https://etn.fi/index.php/13-news/15849-kuinka-paljon-puhelimen-saeteilyae-kehosi-sietaeae" rel="nofollow">https://etn.fi/index.php/13-news/15849-kuinka-paljon-puhelimen-saeteilyae-kehosi-sietaeae</a></p>
]]></content:encoded>
	</item>
	<item>
		<title>By: Tomi Engdahl</title>
		<link>https://www.epanorama.net/blog/2011/06/01/cell-phones-cause-cancer/comment-page-1/#comment-1626166</link>
		<dc:creator><![CDATA[Tomi Engdahl]]></dc:creator>
		<pubDate>Tue, 19 Feb 2019 15:03:10 +0000</pubDate>
		<guid isPermaLink="false">http://www.epanorama.net/blog/?p=5144#comment-1626166</guid>
		<description><![CDATA[One study on this subject

https://phpa.health.maryland.gov/OEHFP/EH/Shared%20Documents/CEHPAC/CEHPAC%20Dec%2013%20Comments%20Part%204.pdf?fbclid=IwAR1CeVU7G-fyVTkrdFig7WbJq12AxWxRX28cm_sSeghoEoKpG-KcI82firE
 .]]></description>
		<content:encoded><![CDATA[<p>One study on this subject</p>
<p><a href="https://phpa.health.maryland.gov/OEHFP/EH/Shared%20Documents/CEHPAC/CEHPAC%20Dec%2013%20Comments%20Part%204.pdf?fbclid=IwAR1CeVU7G-fyVTkrdFig7WbJq12AxWxRX28cm_sSeghoEoKpG-KcI82firE" rel="nofollow">https://phpa.health.maryland.gov/OEHFP/EH/Shared%20Documents/CEHPAC/CEHPAC%20Dec%2013%20Comments%20Part%204.pdf?fbclid=IwAR1CeVU7G-fyVTkrdFig7WbJq12AxWxRX28cm_sSeghoEoKpG-KcI82firE</a><br />
 .</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: Tomi Engdahl</title>
		<link>https://www.epanorama.net/blog/2011/06/01/cell-phones-cause-cancer/comment-page-1/#comment-1611264</link>
		<dc:creator><![CDATA[Tomi Engdahl]]></dc:creator>
		<pubDate>Sat, 03 Nov 2018 20:44:01 +0000</pubDate>
		<guid isPermaLink="false">http://www.epanorama.net/blog/?p=5144#comment-1611264</guid>
		<description><![CDATA[Cross talk: Federal agencies clash on cellphone cancer risk
https://apnews.com/4da5f1cdfd774af29143ff3f5ccffa0b?utm_campaign=SocialFlow&amp;utm_source=Twitter&amp;utm_medium=AP_Lifestyles

 Two U.S. government agencies are giving conflicting interpretations of a safety study on cellphone radiation: One says it causes cancer in rats. The other says there’s no reason for people to worry.

No new research was issued Thursday. Instead, the National Toxicology Program dialed up its concerns about a link to heart and brain cancer from a study of male rats that was made public last winter.

The Food and Drug Administration, which oversees cellphone safety, disagreed with the upgraded warning. And “these findings should not be applied to human cellphone usage,” said Dr. Jeffrey Shuren, FDA’s chief of radiological health.]]></description>
		<content:encoded><![CDATA[<p>Cross talk: Federal agencies clash on cellphone cancer risk<br />
<a href="https://apnews.com/4da5f1cdfd774af29143ff3f5ccffa0b?utm_campaign=SocialFlow&#038;utm_source=Twitter&#038;utm_medium=AP_Lifestyles" rel="nofollow">https://apnews.com/4da5f1cdfd774af29143ff3f5ccffa0b?utm_campaign=SocialFlow&#038;utm_source=Twitter&#038;utm_medium=AP_Lifestyles</a></p>
<p> Two U.S. government agencies are giving conflicting interpretations of a safety study on cellphone radiation: One says it causes cancer in rats. The other says there’s no reason for people to worry.</p>
<p>No new research was issued Thursday. Instead, the National Toxicology Program dialed up its concerns about a link to heart and brain cancer from a study of male rats that was made public last winter.</p>
<p>The Food and Drug Administration, which oversees cellphone safety, disagreed with the upgraded warning. And “these findings should not be applied to human cellphone usage,” said Dr. Jeffrey Shuren, FDA’s chief of radiological health.</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: Tomi Engdahl</title>
		<link>https://www.epanorama.net/blog/2011/06/01/cell-phones-cause-cancer/comment-page-1/#comment-1607710</link>
		<dc:creator><![CDATA[Tomi Engdahl]]></dc:creator>
		<pubDate>Tue, 09 Oct 2018 16:52:36 +0000</pubDate>
		<guid isPermaLink="false">http://www.epanorama.net/blog/?p=5144#comment-1607710</guid>
		<description><![CDATA[Feat-mongering on 5G. Those RF weapons used very much more power than what 5G uses:

5G Network Uses Same EMF Waves As Pentagon Crowd Control System
https://www.naturalblaze.com/2018/10/5g-network-uses-same-emf-waves-as-pentagon-crowd-control-system.html

there is a raging battle to stop the taxpayer funded implementation of 5G.

The new cell network uses high-band radio frequency millimeter waves to deliver high bandwidth data to any device within line of sight.

However, 5G applications will require unlocking of new spectrum bands in higher frequency ranges above 6 GHz to 100 GHz and beyond, utilizing submillimeter and millimeter waves – to allow ultra-high rates of data to be transmitted in the same amount of time as compared with previous deployments of microwave radiation. 

The U.S. military developed a non-lethal crowd control weapon system called the Active Denial System (ADS). It uses radio frequency millimeter waves in the 95GHz range to penetrate the top 1/64 of an inch layer of skin on the targeted individual, instantly producing an intolerable heating sensation that causes them to flee.]]></description>
		<content:encoded><![CDATA[<p>Feat-mongering on 5G. Those RF weapons used very much more power than what 5G uses:</p>
<p>5G Network Uses Same EMF Waves As Pentagon Crowd Control System<br />
<a href="https://www.naturalblaze.com/2018/10/5g-network-uses-same-emf-waves-as-pentagon-crowd-control-system.html" rel="nofollow">https://www.naturalblaze.com/2018/10/5g-network-uses-same-emf-waves-as-pentagon-crowd-control-system.html</a></p>
<p>there is a raging battle to stop the taxpayer funded implementation of 5G.</p>
<p>The new cell network uses high-band radio frequency millimeter waves to deliver high bandwidth data to any device within line of sight.</p>
<p>However, 5G applications will require unlocking of new spectrum bands in higher frequency ranges above 6 GHz to 100 GHz and beyond, utilizing submillimeter and millimeter waves – to allow ultra-high rates of data to be transmitted in the same amount of time as compared with previous deployments of microwave radiation. </p>
<p>The U.S. military developed a non-lethal crowd control weapon system called the Active Denial System (ADS). It uses radio frequency millimeter waves in the 95GHz range to penetrate the top 1/64 of an inch layer of skin on the targeted individual, instantly producing an intolerable heating sensation that causes them to flee.</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: Tomi Engdahl</title>
		<link>https://www.epanorama.net/blog/2011/06/01/cell-phones-cause-cancer/comment-page-1/#comment-1606275</link>
		<dc:creator><![CDATA[Tomi Engdahl]]></dc:creator>
		<pubDate>Thu, 27 Sep 2018 08:50:23 +0000</pubDate>
		<guid isPermaLink="false">http://www.epanorama.net/blog/?p=5144#comment-1606275</guid>
		<description><![CDATA[Don’t Hold That Cell Phone Quite So Close!
https://www.mwrf.com/systems/don-t-hold-cell-phone-quite-so-close?NL=MWRF-001&amp;Issue=MWRF-001_20180925_MWRF-001_92&amp;sfvc4enews=42&amp;cl=article_1_b&amp;utm_rid=CPG05000002750211&amp;utm_campaign=20175&amp;utm_medium=email&amp;elq2=90c2abe5855f4ed093b5083d115b9c37

Carcinogenic studies on cell-phone RF radiation in mice and rats, specifically GSM- and CDMA-modulated RF radiation, revealed development of one form of cancer.

Many people rely on their portable cellular telephones; some even spend a better part of each day with the electronic device close to either ear. But they may want to reconsider, according to recent research revealed by the National Institute of Environmental Health Sciences’ (NIEHS) National Toxicology Program (NTP), a part of the U.S. National Institute of Health. The NIEHS reviewed the NTP’s draft reports on its carcinogenesis studies of cellular-telephone RF radiation in mice and rats during a three-day March 26-28, 2018 meeting in Research Triangle Park, N.C.

Part of the study involved lifelong exposure of rats (lifelong being two years in their cases) to 900- and 1900-MHz RF radiation with code-division-multiple-access (CDMA) and Global System for Mobile Communications (GSM) cell-phone modulation formats.

During the third day of the scientific/medical meeting (March 28), the researchers revealed that both GSM- and CDMA-modulated RF radiation led to development of malignant schwannoma (cancer) in the hearts of male rats. They also pointed out that the same risk for malignant schwannoma existed for female rats exposed to the same conditions. Those conditions included exposure in large reverberation chambers, using 10-minute-on and 10-minute-off cycling for 19 hr/day during the two-year research period.

Different specific absorption rates (SARs) were used on the subjects, never raising the body temperatures of the exposed animals by more than 1°C. To achieve realistic exposure levels, the reported SARs in the brains and the hearts of the rats were only 1.05 and 2.27 times, respectively, the whole-body average SARs of the test subjects.

The NTP cell-phone RF study is the largest study of its kind.]]></description>
		<content:encoded><![CDATA[<p>Don’t Hold That Cell Phone Quite So Close!<br />
<a href="https://www.mwrf.com/systems/don-t-hold-cell-phone-quite-so-close?NL=MWRF-001&#038;Issue=MWRF-001_20180925_MWRF-001_92&#038;sfvc4enews=42&#038;cl=article_1_b&#038;utm_rid=CPG05000002750211&#038;utm_campaign=20175&#038;utm_medium=email&#038;elq2=90c2abe5855f4ed093b5083d115b9c37" rel="nofollow">https://www.mwrf.com/systems/don-t-hold-cell-phone-quite-so-close?NL=MWRF-001&#038;Issue=MWRF-001_20180925_MWRF-001_92&#038;sfvc4enews=42&#038;cl=article_1_b&#038;utm_rid=CPG05000002750211&#038;utm_campaign=20175&#038;utm_medium=email&#038;elq2=90c2abe5855f4ed093b5083d115b9c37</a></p>
<p>Carcinogenic studies on cell-phone RF radiation in mice and rats, specifically GSM- and CDMA-modulated RF radiation, revealed development of one form of cancer.</p>
<p>Many people rely on their portable cellular telephones; some even spend a better part of each day with the electronic device close to either ear. But they may want to reconsider, according to recent research revealed by the National Institute of Environmental Health Sciences’ (NIEHS) National Toxicology Program (NTP), a part of the U.S. National Institute of Health. The NIEHS reviewed the NTP’s draft reports on its carcinogenesis studies of cellular-telephone RF radiation in mice and rats during a three-day March 26-28, 2018 meeting in Research Triangle Park, N.C.</p>
<p>Part of the study involved lifelong exposure of rats (lifelong being two years in their cases) to 900- and 1900-MHz RF radiation with code-division-multiple-access (CDMA) and Global System for Mobile Communications (GSM) cell-phone modulation formats.</p>
<p>During the third day of the scientific/medical meeting (March 28), the researchers revealed that both GSM- and CDMA-modulated RF radiation led to development of malignant schwannoma (cancer) in the hearts of male rats. They also pointed out that the same risk for malignant schwannoma existed for female rats exposed to the same conditions. Those conditions included exposure in large reverberation chambers, using 10-minute-on and 10-minute-off cycling for 19 hr/day during the two-year research period.</p>
<p>Different specific absorption rates (SARs) were used on the subjects, never raising the body temperatures of the exposed animals by more than 1°C. To achieve realistic exposure levels, the reported SARs in the brains and the hearts of the rats were only 1.05 and 2.27 times, respectively, the whole-body average SARs of the test subjects.</p>
<p>The NTP cell-phone RF study is the largest study of its kind.</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: Tomi Engdahl</title>
		<link>https://www.epanorama.net/blog/2011/06/01/cell-phones-cause-cancer/comment-page-1/#comment-1581260</link>
		<dc:creator><![CDATA[Tomi Engdahl]]></dc:creator>
		<pubDate>Thu, 08 Feb 2018 20:39:31 +0000</pubDate>
		<guid isPermaLink="false">http://www.epanorama.net/blog/?p=5144#comment-1581260</guid>
		<description><![CDATA[Cellphone radiation poses no real harm to humans, new research says
https://www.theverge.com/2018/2/2/16966578/cellphone-radiation-cancer-national-toxicology-program-study-rats-mice

Unless you’re a male rat bathing in cellphone radiation, experts say you should be fine]]></description>
		<content:encoded><![CDATA[<p>Cellphone radiation poses no real harm to humans, new research says<br />
<a href="https://www.theverge.com/2018/2/2/16966578/cellphone-radiation-cancer-national-toxicology-program-study-rats-mice" rel="nofollow">https://www.theverge.com/2018/2/2/16966578/cellphone-radiation-cancer-national-toxicology-program-study-rats-mice</a></p>
<p>Unless you’re a male rat bathing in cellphone radiation, experts say you should be fine</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: Tomi Engdahl</title>
		<link>https://www.epanorama.net/blog/2011/06/01/cell-phones-cause-cancer/comment-page-1/#comment-1579454</link>
		<dc:creator><![CDATA[Tomi Engdahl]]></dc:creator>
		<pubDate>Wed, 24 Jan 2018 11:30:15 +0000</pubDate>
		<guid isPermaLink="false">http://www.epanorama.net/blog/?p=5144#comment-1579454</guid>
		<description><![CDATA[Electromagnetic Radiation Is Decreasing in New Generations of Smartphones
https://www.allaboutcircuits.com/news/electromagnetic-radiation-is-decreasing-in-new-generations-of-smartphones/

For years, cell phones have been accused of causing cancer in their users. While there&#039;s no evidence that phone-produced RF radiation is carcinogenic, new phones are emitting less of it.

Specific absorption rate (SAR) is a measurement of the amount of radiation absorbed by humans while using a cell phone. Research is currently being done on whether larger SAR measurements correspond to adverse health effects, including higher risks of cancer in humans.]]></description>
		<content:encoded><![CDATA[<p>Electromagnetic Radiation Is Decreasing in New Generations of Smartphones<br />
<a href="https://www.allaboutcircuits.com/news/electromagnetic-radiation-is-decreasing-in-new-generations-of-smartphones/" rel="nofollow">https://www.allaboutcircuits.com/news/electromagnetic-radiation-is-decreasing-in-new-generations-of-smartphones/</a></p>
<p>For years, cell phones have been accused of causing cancer in their users. While there&#8217;s no evidence that phone-produced RF radiation is carcinogenic, new phones are emitting less of it.</p>
<p>Specific absorption rate (SAR) is a measurement of the amount of radiation absorbed by humans while using a cell phone. Research is currently being done on whether larger SAR measurements correspond to adverse health effects, including higher risks of cancer in humans.</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: Tomi Engdahl</title>
		<link>https://www.epanorama.net/blog/2011/06/01/cell-phones-cause-cancer/comment-page-1/#comment-1574946</link>
		<dc:creator><![CDATA[Tomi Engdahl]]></dc:creator>
		<pubDate>Tue, 19 Dec 2017 12:41:42 +0000</pubDate>
		<guid isPermaLink="false">http://www.epanorama.net/blog/?p=5144#comment-1574946</guid>
		<description><![CDATA[Fridge killed my baby? Mag-field radiation from household stuff &#039;boosts miscarriage risk&#039;
Living off grid, in the woods, away from all tech not such a loony idea after all
https://www.theregister.co.uk/2017/12/19/radiation_risk_miscarriage_study_says/

Analysis A study of 913 pregnant women in the San Francisco Bay Area, California, found those exposed to high levels of magnetic field (MF) non-ionizing radiation had a 2.72x higher risk of miscarriage than those exposed to low MF levels.

The Kaiser Permanente study, &quot;Exposure to Magnetic Field Non-Ionizing Radiation and the Risk of Miscarriage: A Prospective Cohort Study,&quot; was published this month in the journal Scientific Reports.

The authors, Kaiser researchers De-Kun Li, Hong Chen, Jeannette R. Ferber, Roxana Odouli, and Charles Quesenberry, say their findings add to the evidence that &quot;MF non-ionizing radiation could have adverse biological impacts on human health.&quot;

&quot;In this study, we found an almost three-fold increased risk of miscarriage if a pregnant woman was exposed to higher MF levels compared to women with lower MF exposure,&quot; the study says. &quot;The association was independent of any specific MF exposure sources or locations, thus removing the concern that other factors connected to the sources of the exposure might account for the observed associations.&quot;

Study participants were classified in four MF exposure groups – &lt;2.5mG; 2.5–3.6mG; 3.7–6.2mG; and ≥6.3mG – based on 24 hours of measurements with an EMDEX Lite meter as a representation of daily exposure. The researchers did not find the miscarriage risk increased with doses above 2.5mG, leading them to theorize that 2.5mG represents a threshold level for health effects.

&quot;The controversy over health effects from electromagnetic fields is, to a large extent, a product of earlier studies that did not find many associations between EMF and health risk,&quot;

As Li observed, there is no scientific consensus that MF exposure harms human health. According to the National Cancer Institute, &quot;[A]lthough many studies have examined the potential health effects of non-ionizing radiation from radar, microwave ovens, cell phones, and other sources, there is currently no consistent evidence that non-ionizing radiation increases cancer risk.&quot;

Cell Phones and Cancer Risk
https://www.cancer.gov/about-cancer/causes-prevention/risk/radiation/cell-phones-fact-sheet]]></description>
		<content:encoded><![CDATA[<p>Fridge killed my baby? Mag-field radiation from household stuff &#8216;boosts miscarriage risk&#8217;<br />
Living off grid, in the woods, away from all tech not such a loony idea after all<br />
<a href="https://www.theregister.co.uk/2017/12/19/radiation_risk_miscarriage_study_says/" rel="nofollow">https://www.theregister.co.uk/2017/12/19/radiation_risk_miscarriage_study_says/</a></p>
<p>Analysis A study of 913 pregnant women in the San Francisco Bay Area, California, found those exposed to high levels of magnetic field (MF) non-ionizing radiation had a 2.72x higher risk of miscarriage than those exposed to low MF levels.</p>
<p>The Kaiser Permanente study, &#8220;Exposure to Magnetic Field Non-Ionizing Radiation and the Risk of Miscarriage: A Prospective Cohort Study,&#8221; was published this month in the journal Scientific Reports.</p>
<p>The authors, Kaiser researchers De-Kun Li, Hong Chen, Jeannette R. Ferber, Roxana Odouli, and Charles Quesenberry, say their findings add to the evidence that &#8220;MF non-ionizing radiation could have adverse biological impacts on human health.&#8221;</p>
<p>&#8220;In this study, we found an almost three-fold increased risk of miscarriage if a pregnant woman was exposed to higher MF levels compared to women with lower MF exposure,&#8221; the study says. &#8220;The association was independent of any specific MF exposure sources or locations, thus removing the concern that other factors connected to the sources of the exposure might account for the observed associations.&#8221;</p>
<p>Study participants were classified in four MF exposure groups – &lt;2.5mG; 2.5–3.6mG; 3.7–6.2mG; and ≥6.3mG – based on 24 hours of measurements with an EMDEX Lite meter as a representation of daily exposure. The researchers did not find the miscarriage risk increased with doses above 2.5mG, leading them to theorize that 2.5mG represents a threshold level for health effects.</p>
<p>&quot;The controversy over health effects from electromagnetic fields is, to a large extent, a product of earlier studies that did not find many associations between EMF and health risk,&quot;</p>
<p>As Li observed, there is no scientific consensus that MF exposure harms human health. According to the National Cancer Institute, &quot;[A]lthough many studies have examined the potential health effects of non-ionizing radiation from radar, microwave ovens, cell phones, and other sources, there is currently no consistent evidence that non-ionizing radiation increases cancer risk.&quot;</p>
<p>Cell Phones and Cancer Risk<br />
<a href="https://www.cancer.gov/about-cancer/causes-prevention/risk/radiation/cell-phones-fact-sheet" rel="nofollow">https://www.cancer.gov/about-cancer/causes-prevention/risk/radiation/cell-phones-fact-sheet</a></p>
]]></content:encoded>
	</item>
	<item>
		<title>By: battery for invisible fence dog collar</title>
		<link>https://www.epanorama.net/blog/2011/06/01/cell-phones-cause-cancer/comment-page-1/#comment-1522520</link>
		<dc:creator><![CDATA[battery for invisible fence dog collar]]></dc:creator>
		<pubDate>Mon, 07 Nov 2016 07:23:30 +0000</pubDate>
		<guid isPermaLink="false">http://www.epanorama.net/blog/?p=5144#comment-1522520</guid>
		<description><![CDATA[Hi I am so grateful I found your site, I really found 
you by mistake, while I was searching on Aol for something else, Anyways I am here now and would just like 
to say thanks a lot for a fantastic post and a all round exciting blog (I also love 
the theme/design), I don?t have time to look over it all 
at the minute but I have book-marked it and also included your RSS feeds, so when I have time I will be back 
to read more, Please do keep up the superb work.]]></description>
		<content:encoded><![CDATA[<p>Hi I am so grateful I found your site, I really found<br />
you by mistake, while I was searching on Aol for something else, Anyways I am here now and would just like<br />
to say thanks a lot for a fantastic post and a all round exciting blog (I also love<br />
the theme/design), I don?t have time to look over it all<br />
at the minute but I have book-marked it and also included your RSS feeds, so when I have time I will be back<br />
to read more, Please do keep up the superb work.</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: Tomi Engdahl</title>
		<link>https://www.epanorama.net/blog/2011/06/01/cell-phones-cause-cancer/comment-page-1/#comment-1463068</link>
		<dc:creator><![CDATA[Tomi Engdahl]]></dc:creator>
		<pubDate>Mon, 28 Dec 2015 11:38:54 +0000</pubDate>
		<guid isPermaLink="false">http://www.epanorama.net/blog/?p=5144#comment-1463068</guid>
		<description><![CDATA[Mobile device proximity sensor manages RF exposure while maintaining network connectivity
http://www.edn.com/design/analog/4441005/Mobile-device-proximity-sensor-manages-RF-exposure-while-maintaining-network-connectivity-?_mc=NL_EDN_EDT_EDN_weekly_20151224&amp;cid=NL_EDN_EDT_EDN_weekly_20151224&amp;elq=ef3d0223d1e44603a871642eccb57fe3&amp;elqCampaignId=26286&amp;elqaid=30037&amp;elqat=1&amp;elqTrackId=0b457c6485b94a33b3526aefad341b41

The FCC last set U.S. mobile phone RF exposure limits in 1996, recommending a maximum of 1.6 watts per kilogram specific absorption rate (SAR). 

In a 2014 survey of consumers, research firm Nielsen discovered that American consumers spent 34 hours on average per month using the mobile apps on their phones – which is more time than they spent online via PC(1).

This increased RF power and increased exposure has caused the industry to anticipate ways to better manage SAR reduction.

SAR is the measure of the amount of RF power that is radiated into the human body when in a close proximity to a mobile device.  It is defined as the power absorbed per mass of tissue and is measured in units of watts per kilogram (W/kg).

In the U.S., the FCC sets SAR standards and these limits are followed in many other countries around the world. Standards for European countries are determined by CENELEC, and are currently set at 2W/kg averaged over the 10 g of tissue absorbing the most signal.

SAR and RF radiation have made headlines (2) recently with several high profile brain cancer deaths, even though there is not a scientific link between the two. Also, the city of Berkeley, Calif., recently passed a “right to know” law (3) that all cell phones sold in the city must be labeled with the SAR level and a warning. These headlines have raised some customer concern, which has led to mobile device manufacturers looking at new ways to proactivity manage their SAR levels.]]></description>
		<content:encoded><![CDATA[<p>Mobile device proximity sensor manages RF exposure while maintaining network connectivity<br />
<a href="http://www.edn.com/design/analog/4441005/Mobile-device-proximity-sensor-manages-RF-exposure-while-maintaining-network-connectivity-?_mc=NL_EDN_EDT_EDN_weekly_20151224&#038;cid=NL_EDN_EDT_EDN_weekly_20151224&#038;elq=ef3d0223d1e44603a871642eccb57fe3&#038;elqCampaignId=26286&#038;elqaid=30037&#038;elqat=1&#038;elqTrackId=0b457c6485b94a33b3526aefad341b41" rel="nofollow">http://www.edn.com/design/analog/4441005/Mobile-device-proximity-sensor-manages-RF-exposure-while-maintaining-network-connectivity-?_mc=NL_EDN_EDT_EDN_weekly_20151224&#038;cid=NL_EDN_EDT_EDN_weekly_20151224&#038;elq=ef3d0223d1e44603a871642eccb57fe3&#038;elqCampaignId=26286&#038;elqaid=30037&#038;elqat=1&#038;elqTrackId=0b457c6485b94a33b3526aefad341b41</a></p>
<p>The FCC last set U.S. mobile phone RF exposure limits in 1996, recommending a maximum of 1.6 watts per kilogram specific absorption rate (SAR). </p>
<p>In a 2014 survey of consumers, research firm Nielsen discovered that American consumers spent 34 hours on average per month using the mobile apps on their phones – which is more time than they spent online via PC(1).</p>
<p>This increased RF power and increased exposure has caused the industry to anticipate ways to better manage SAR reduction.</p>
<p>SAR is the measure of the amount of RF power that is radiated into the human body when in a close proximity to a mobile device.  It is defined as the power absorbed per mass of tissue and is measured in units of watts per kilogram (W/kg).</p>
<p>In the U.S., the FCC sets SAR standards and these limits are followed in many other countries around the world. Standards for European countries are determined by CENELEC, and are currently set at 2W/kg averaged over the 10 g of tissue absorbing the most signal.</p>
<p>SAR and RF radiation have made headlines (2) recently with several high profile brain cancer deaths, even though there is not a scientific link between the two. Also, the city of Berkeley, Calif., recently passed a “right to know” law (3) that all cell phones sold in the city must be labeled with the SAR level and a warning. These headlines have raised some customer concern, which has led to mobile device manufacturers looking at new ways to proactivity manage their SAR levels.</p>
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