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Impact of a Small Cell on the RF-EMF Exposure in a Train.

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Aerts S, Plets D, Thielens A, Martens L, Joseph W. · 2015

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Small cells on trains reduced brain radiation exposure by 35 times, proving that signal strength dramatically affects your phone's EMF output.

Plain English Summary

Summary written for general audiences

Researchers measured radiation exposure from cell phones on trains, comparing users connected to distant cell towers versus small cells installed inside the train. They found that passengers using in-train small cells experienced 35 times less brain exposure and 11 times less whole-body exposure from their phones. This demonstrates that proximity to cell towers significantly affects how much radiation your phone needs to emit.

Why This Matters

This study reveals a critical but overlooked factor in your daily EMF exposure: distance matters enormously. When your phone struggles to reach distant cell towers, it cranks up its power output, bombarding you with significantly more radiation. The 35-fold reduction in brain exposure found here isn't just impressive-it's transformative for understanding real-world EMF exposure patterns. What this means for you is that your phone's radiation output varies dramatically based on signal strength. In areas with poor reception, like basements, rural areas, or moving vehicles, your phone works much harder and exposes you to much more EMF. This research supports the fundamental principle that maintaining strong signal connections reduces your exposure, making proximity to cell infrastructure paradoxically protective rather than harmful.

Exposure Information

Specific exposure levels were not quantified in this study.

Study Details

The aim of this study is to observe Impact of a Small Cell on the RF-EMF Exposure in a Train.

In this study, we assessed experimentally the RF-EMF exposure of a mobile-phone user who is either c...

For Global System for Mobile Communications (GSM) technology at 1800 MHz, we found that by connectin...

Cite This Study
Aerts S, Plets D, Thielens A, Martens L, Joseph W. (2015). Impact of a Small Cell on the RF-EMF Exposure in a Train. Int J Environ Res Public Health. 12(3):2639-2652, 2015.
Show BibTeX
@article{s_2015_impact_of_a_small_1808,
  author = {Aerts S and Plets D and Thielens A and Martens L and Joseph W.},
  title = {Impact of a Small Cell on the RF-EMF Exposure in a Train.},
  year = {2015},
  
  url = {https://www.mdpi.com/1660-4601/12/3/2639},
}

Quick Questions About This Study

Researchers measured radiation exposure from cell phones on trains, comparing users connected to distant cell towers versus small cells installed inside the train. They found that passengers using in-train small cells experienced 35 times less brain exposure and 11 times less whole-body exposure from their phones. This demonstrates that proximity to cell towers significantly affects how much radiation your phone needs to emit.