Abstract
A scientifically sound procedure for certification of mobile telecommunications equipment (MTE) must satisfy a number of requirements: 1) assessment of the spatial peak SAR values defined in safety standards; 2) a reliable procedure to determine the uncertainty of the assessed values; 3) a simple but reliable test to validate proper functioning of the setup; 4) high reproducibility of all test results; 5) the ability to test randomly selected devices; 6) credibility in the eyes of both experts and consumers; 7) ease of use, without the need of highly specialized experts; 8) time efficiency; 9) availability for manufacturers during the product design process. Commercially available dosimetric scanners have been proven to satisfy all these requirements. Further arguments for dosimetric scanners are: 1) the actual MTE is tested and certified as it leaves the production line; 2) the measurement error of dosimetric assessments within homogeneous phantoms can be kept below ±20%; 3) homogeneous phantoms not only accurately simulate absorption in the heads of MTE users but also considerably reduce the number of tests required to ensure compliance with safety limits for a reasonable cross-section of users.
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