Fiecare telefon mobil are un anumit camp electromagnetic si la fiecare exista un grad de absorbtie, specificat in datele tehnice.
Date despre gradul SAR: http://www.fcc.gov/cgb/sar/ sau http://www.mmfai.org/public/sar.cfm?lang=eng
Exemplu de top 10 a celor mai radiante telefoane: http://www.blockemf.com/catalog/article_info.php?articles_id=11