Thursday, 25 April 2019
MOBILE TELECOMMUNICATIONS DEPLOYMENT NEWS, ISSUES AND SCIENCE

Home Wi-Fi networks are not a risk say US experts


home laptopBased on current scientific evidence, wireless networks are safe to use in the home says experts from a leading US science and engineering analysis firm, Exponent Inc.

 

“While the research is still ongoing, current evidence indicates that wireless household networks pose no or very low risks from RF exposure and EMI [electromagnetic interference] to medical devices.” concluded Yakov Shkolnikov and William Bailey in a paper presented at the 2011 IEEE Symposium on Product Compliance Engineering (PSES).

 

Wireless communication in the home is primarily used for Wi-Fi links to desktops, laptops, and smart phones but this is likely to increase they explained.

 

“Over next few years, however, both due to the expectations of consumers and the manufacturers’ wish to distinguish their products, wireless technology will be integrated into many household appliances,” Shkolnikov and Bailey said.

 

“Their use may be simple and low-bandwidth, such as sending a text message when the dryer cycle is complete, to a more demanding application such as a linkup between a computer and a TV.”

 

While the only known biological effects of wireless exposure are through tissue heating people are concerned about non- thermal effects, they said.

 

“There has been no reliable (reproducible) evidence that these mechanisms are relevant at low levels of RF exposure (less than 10 mW/cm2) and indeed there are good physical reasons to believe that such effects would be overwhelmed by thermal noise.”

 

“Still, concerns about RF exposure need to be addressed by manufacturers and public agencies for the foreseeable future,” they said.

 

Another concern regarding in-home exposures is the risk of electromagnetic interference (EMI) with medical devices, but this was unlikely.

 

“...the EMI controls implemented for lower frequencies combined with reduced sensitivities of circuits at microwave frequencies, as well as attenuation of microwaves by the human body (for implants), may contribute to comparable immunity at these higher frequencies.”

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