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Study examines the role of reception quality in RF-EMF brain dose from mobile phones

September 25, 2026 (EMFS)
Sep 24, 2026 (original)
Source: Environmental Research
Source category: Research
AI use
Beláčková and colleagues (Environmental Research, 2026) used signal-strength data collected with the ETAIN 5G Scientist app on the main Dutch networks in 2024-2025 to simulate the RF-EMF brain dose from typical mobile phone activities. Reception quality governs the dose: a five-minute call at poor signal (RSRP -120 dBm) gave an estimated 150 mJ/kg per day against 4 mJ/kg at good signal, and even a few minutes of calling under suboptimal conditions exceeded the brain dose from 24 hours of environmental exposure. The authors conclude that technology and signal quality strongly determine personal exposure and should be factored into exposure studies and epidemiological research.

"During the suboptimal network quality (RSRP: -120 dBm) the daily brain dose was higher (5 min call, 150 mJ kg-1 day-1; 5 min watching video, 26 mJ kg-1 day-1) compared to optimal network quality (RSRP: -60 dBm)(5 minute call, 4 mJ kg-1 day-1; 5 min watching video, 5 mJ kg-1 day-1)."

— Beláčková et al., Environmental Research

"Our model based estimate show that even a few minutes of calling under suboptimal signal quality conditions resulted in higher brain dose than 24h environmental exposures."

— Beláčková et al., Environmental Research

"Personal RF-EMF exposure from mobile phones is strongly determined by the technology and the associated signal quality, this should be factored in when doing exposure studies or epidemiological research."

— Beláčková et al., Environmental Research

Method

"Using the "ETAIN 5G-Scientist" app, we collected the signal strength quality indicators for both, 4G-LTE and 5G-NR: Reference Signal Received Power and Synchronization Signal Reference Signal Received Power (RSRP and ss-RSRP), for the main providers in the Netherlands (2024-2025)."

— Beláčková et al., Environmental Research (Abstract)

"We observed signal strength indicators ranging from -140 to -56 dBm RSRP (4G-LTE, N=150789) and -125 to -61 dBm ss-RSRP (5G-NR, N=2192)."

— Beláčková et al., Environmental Research (Abstract)

Location

📍 Utrecht, Netherlands

Map: Utrecht, Netherlands

Source

RF-EMF brain dose from mobile phones and the role of reception quality - a simulation study using the ETAIN 5G Scientist App. pubmed.ncbi.nlm.nih.gov

📄 Underlying Research

RF-EMF brain dose from mobile phones and the role of reception quality - a simulation study using the ETAIN 5G Scientist App.

Beláčková L, Jalilian H, Sandoval Diez N, den Boer B, Herssens H, Roga L (2026) Environmental Research Journal Level 2ⓘ

🔗 DOI 📚 PubMed

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