What Types of Waves Are Used to Transmit Cell Phone Signals?

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Radio waves are used to transmit cell phone signals. Radio waves are a type of electromagnetic waves. They are a non-ionizing form of radiation, which means that they do not break chemical bonds.

Most cell phones use radio waves with frequencies between 450 and 2700 MHz and peak powers between 0.1 and 2 watts. These radio waves can interfere with some medical devices and aircraft navigation systems. According to the World Health Organization, studies carried out as of 2014 have shown no health risks associated with mobile phone radiation, but more research is needed to fully understand the possible health effects.