What is wavelength of radiation from cellphones vs that used by microwave ovens?
In addition, what are the relative power levels?
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Cell ‘phones use frequency bands around 800 to 900 MHz and 1.8 to 1.9GHz.
The wavelength at these frequencies is approximately 35cm and 16cm respectively.
A microwave oven works aa about 2.5GHz, the wavelength of which is about 12cm.
A cell ‘phone’s power output can vary between a few hundred mW (milliwatts) and 3W.
The microwave oven will generate microwave power of up to about 800W.