Canonical Source · peer reviewed study

Testing the effectiveness of small radiation shields for mobile phones

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Publisher: Bioelectromagnetics
Year: 2003
DOI: 10.1002/bem.10076
Source type: peer reviewed study
Source level: Primary source
Knowledge backlinks: 1

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Evidence context

How this source is used

Evidence roles describe what this source helps establish inside each Investigation. They are local to that use, not permanent labels attached to the publication itself.

Investigation

Do electromagnetic-field (EMF) stickers reduce radiofrequency exposure, harmonize it, or prevent illness?

Challenges

Oliver et al. (2003) tested nine commercial or unusual small shields in one Motorola phone/head-phantom setup at 914 and 1880 MHz; all normalized peak 1-g SAR measurements were 0.96–1.04 relative to no shield (1.00), within the reported 6% two-standard-deviation repeatability. This is direct SAR testing for these nine products, not evidence against every conceivable shielding geometry.

Subject families

Health & medicine Technology & radiation