How many GHz is a microwave?

Following international conventions, microwave ovens at home or in restaurants operate at frequencies of about 2.45 GHz , i.e. λ = 12. 23 cm. Figure 1 depicts a typical microwave oven (many details can be found in [1–3]). Microwaves are generated in a magnetron which feeds via a waveguide into the cooking chamber.

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Is microwave radiation same as WiFi?

(1) Your microwave oven does, indeed, transmit radio waves in the same frequency range as WiFi (2.4GHz) . But much higher power (most are rated 700–1000 watts, whereas WiFi is limited by law to 0.5 watts). That’s why you must keep the microwave oven door closed, or you WOULD cook everyone in the room.

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