80safety and usage informationCorrect disposal of batteries in thisproductThe batteries in this product should not be disposedof with other household waste at the end of theirworking life.Where marked, the chemical symbols Hg, Cd or Pbindicate that the battery contains mercury, cadmiumor lead above reference levels. If batteries are notproperly disposed of, these substances can causeharm to human health or the environment.To protect natural resources and to promote materialreuse, please separate batteries from other types ofwaste and recycle them through your local, freebattery return system.Radio frequency safetyThe design of your phone complies with updatedNCRP standards described below. In 1991-92, theInstitute of Electrical and Electronics Engineers (IEEE)and the American National Standards Institute (ANSI)joined in updating ANSI’s 1982 standard for safetylevels with respect to human exposure to RF signals.More than 120 scientists, engineers and physiciansfrom universities, government health agencies andindustries developed this updated standard afterreviewing the available body of research. In 1993,the Federal Communications Commission (FCC)adopted this updated standard in a regulation. InAugust 1996, the FCC adopted hybrid standardconsisting of the existing ANSI/IEEE standard andthe guidelines published by the National Council ofRadiation Protection and Measurements (NCRP).This device is compliant with RoHS.