Fire Alarms Systems

Hermie Wi-Fi uses radio frequency as your microwave. Does this mean that Wi-Fi is dangerous for your health?

If possible microwave signals interfere with Wi-Fi - I just read something on your blog - because they operate on the same frequency, Wi-Fi is not so dangerous to your health? You do not have Wi-Fi at home would be like leaving the door open for the microwave?

Hermie

It is a question that arises from time to time, and the short answer is no. In fact, we could rephrase your question and pretend you had asked about the baby alarms, radio-controlled cars, cordless telephones (DECT), Bluetooth headsets, security alarms, and many other things that work in the same band unlicensed radio frequency source of concern. Having a baby alarm in your home is not like leaving the door open microwave?

The long answer is that the WiFi signal strength is about 100,000 times smaller than a microwave. The furnace is a device operating at very high target voltage and short distances. WLAN routers operate with very low voltages, propagating in all directions, and are used for relatively long distances.

radio waves follow the inverse square law - such as light, sound and gravity - then every time you double the distance, you only get a quarter of the energy. In other words, the signal strength decreases rapidly. At distances normal operation, the intensity of the Wi-Fi is usually so small that it is not to worry: this is only part of the "smog" that is generated by radio signals and television, AC power wiring, motors, appliances and the universe in general. (As my colleague Charles Arthur once said here, the wavelength of Wi-Fi signals is the same as the cosmic background radiation: 12cm .. If you are concerned, do not go outside)

Guardian

As readers know, the electromagnetic spectrum extends to the end of the frequency of radio waves to gamma rays very long wavelengths very short, with visible light somewhere environment. We know the types of ionizing radiation wavelengths shorter than the light tends to be dangerous. Examples include ultraviolet (UV), X-rays and gamma rays. (The ultraviolet portion of the sun is certainly dangerous. Wear sunscreen.)

However, non-ionizing wavelengths that are longer than light is usually not dangerous. These include infrared, microwaves and radio waves. At 2.45 GHz, Wi-Fi is in the microwave band with baby monitors and mobile phones. Followed by the frequency bands used for television and AM / FM radio, and later, the long-wave radio (famous only for Test Match Special and Economy 7 heating signals).

Now it is certainly possible to do dangerous things with radiation, even if it's just by concentrating sunlight with parabolic mirrors to set the Roman fleet on fire (not that there is much demand for it). You can also use a jet of high pressure water to cut steel, but that does not mean that you will die to take a bath or standing under a fountain. course, it makes sense to minimize the risk, as long as you focus on the greatest risks are not negligible. If you do this, the mobile phone should be the first thing to do. In practice, the device is held close to the brain, while the Wi-Fi router could be in another room (the inverse square law). It has been estimated that received a higher dose of microwave phone call 20 minutes from one year free Wi-Fi.

Your microwave should be safe enough because the designs are tested to ensure they are properly protected. However, you can check that your oven is not leaking radiation, or stay away from it while it is running. (In this case, "absent" is 1 m.) There must be no risk of leaving the door open as the magnetron must be turned off when the door opens. However, if the oven is faulty and if you continue to work, do not put any part of his body inside.
If you are very picky with Wi-Fi, then make sure you sit 1m (or more) away from the router, and do not use your laptop on your lap. Put it on a table or shelf in place. I do not think there is a risk, but you can feel more secure if you delete a non-existent risk.

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