This Motorola model, which includes a two-way radio, comes close to the government's maximum absorption rate of 1.6 watts per kilogram of body tissue.
Although both the National Cancer Institute and the World Health Organization say there isn't evidence to support the assertion that cell phones are a public-health threat, legislators in Maine are debating a bill that would require manufacturers to put a warning label on every cell phone sold in the state declaring, "This device emits electromagnetic radiation, exposure to which may cause brain cancer."