The French agency that regulates radio frequencies, the ANFR, has notified Apple of its decision to ban iPhone 12 sales after tests showed the Specific Absorption Rate...
and different parts of the body resonate at different frequencies…part of the reason ~2.4 GHz was picked for the common household microwave is water molecules resonate there (and other harmonically related frequencies too… it’s why a lot of the unlicensed ISM stuff is allocated there: crappy atmospheric propagation). also the necessary magnetron and waveguide for that freq is conveniently sized for a kitchen appliance and not too complicated.
EDIT: see proper principle of operation in reply below
and different parts of the body resonate at different frequencies…
part of the reason ~2.4 GHz was picked for the common household microwave is water molecules resonate there(and other harmonically related frequencies too… it’s why a lot of the unlicensed ISM stuff is allocated there: crappy atmospheric propagation). also the necessary magnetron and waveguide for that freq is conveniently sized for a kitchen appliance and not too complicated.EDIT: see proper principle of operation in reply below
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