Evolv Express uses extremely low frequency radio waves (ELF) in the same range used by Electronic Anti-Theft Systems (EAS), widely deployed in retail settings for loss prevention. Although the US FDA (Food and Drug Administration) recognise the likelihood of ELF systems interfering with implantable electronic medical devices as low, visitors can choose the alternative option of a manual search.
Most common exposures to low frequency radio waves (also known as nonionizing radiation) are not considered hazardous to you or your unborn baby. A manual screening alternative is recommended for anyone
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