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Tomitsch J, Dechant E et al, (January 2015) Exposure to electromagnetic fields in households--trends from 2006 to 2012, Bioelectromagnetics. 2015 Jan;36(1):77-85. doi: 10.1002/bem.21887

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Authors not listed · 2015

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Household wireless radiation exposure nearly doubled in six years as WiFi and mobile networks expanded.

Plain English Summary

Summary written for general audiences

Austrian researchers measured electromagnetic field levels in 219 bedrooms from 2006 to 2012, tracking changes in household EMF exposure over time. They found that power line frequency fields decreased slightly, but wireless radiation (RF-EMF) nearly doubled, with urban areas showing 3.4 times higher wireless exposure than rural areas. This study documents the rapid increase in wireless radiation exposure as smartphones and WiFi became widespread.

Why This Matters

This Austrian longitudinal study provides crucial documentation of how our EMF exposure landscape has fundamentally shifted in just six years. The reality is striking: while traditional power line exposures remained relatively stable, wireless radiation exposure nearly doubled as WiFi networks proliferated and mobile networks expanded. The science demonstrates a clear urban-rural divide, with city dwellers experiencing over three times the wireless radiation exposure of their rural counterparts.

What this means for you is that the EMF environment in your bedroom today is dramatically different from what it was a decade ago. The 85% increase in total RF-EMF exposure documented here reflects the rapid deployment of wireless infrastructure that has only accelerated since 2012 with 4G and now 5G networks. Put simply, we're conducting an unprecedented experiment on human health, and studies like this show just how quickly our exposure levels are climbing.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 50 Hz, 2600 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 50 Hz, 2600 MHzCell phones~1 GHzWiFi2.4 GHz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study.

Cite This Study
Unknown (2015). Tomitsch J, Dechant E et al, (January 2015) Exposure to electromagnetic fields in households--trends from 2006 to 2012, Bioelectromagnetics. 2015 Jan;36(1):77-85. doi: 10.1002/bem.21887.
Show BibTeX
@article{tomitsch_j_dechant_e_et_al_january_2015_exposure_to_electromagnetic_fields_in_households_trends_from_2006_to_2012_bioelectromagnetics_2015_jan36177_85_doi_101002bem21887_ce1224,
  author = {Unknown},
  title = {Tomitsch J, Dechant E et al, (January 2015) Exposure to electromagnetic fields in households--trends from 2006 to 2012, Bioelectromagnetics. 2015 Jan;36(1):77-85. doi: 10.1002/bem.21887},
  year = {2015},
  doi = {10.1002/bem.21887},
  
}
DOI: 10.1002/bem.21887PubMed: 25421708

Quick Questions About This Study

Total RF-EMF exposure in Austrian bedrooms increased by 85%, rising from a median of 28.13 to 52.16 µW/m². The largest increases came from UMTS mobile networks and WiFi routers becoming more widespread in homes.
Urban bedrooms showed 3.4 times higher wireless radiation levels than rural areas, with median exposures of 117.73 µW/m² in cities compared to 34.52 µW/m² in rural locations due to denser wireless infrastructure.
Yes, ELF electric fields actually decreased by 40% from 2006 to 2012, dropping from a median of 23.20 V/m to 13.90 V/m. This likely reflects improved electrical wiring practices and energy efficiency measures.
LTE signals at 2600 MHz were found in 17 locations with maximum exposure of 38.20 µW/m². This was early 4G deployment, representing just the beginning of what would become widespread LTE coverage.
DECT cordless phone radiation decreased while WiFi radiation increased significantly. This reflects the technology shift as people replaced traditional cordless phones with smartphones and added WiFi routers to their homes for internet access.