We do not teach you, we are constantly exposed to radio waves in everyday life. In the countryside less than in urban centers, it is true, but it is very difficult to escape it today. High-voltage lines, Wi-Fi, relay antennas ... Waves are everywhere, and at different frequencies. But the objects that touch us the most are our smartphones. Constantly on us or at hand, it is with them that we spend the most time and that is why manufacturers are now obliged to clearly indicate their specific absorption rate (SAR). The latter determines to what extent the waves emitted by the device affect the body.
In Europe, the SAR measured at the head (during a telephone conversation, therefore) must be less than 2 W / kg, ditto for the SAR measured at the trunk, with a gap of only 5 mm between the device and the skin . Finally, the SAR measured on the limbs (arms, legs, hands, etc.) must be less than 4 W / kg. In fact, all smartphones sold must comply, so they are considered non-dangerous, especially since the measured SAR of the devices corresponds to the maximum possible value, in the worst case of use. But nothing prevents you from taking some very simple measures to protect yourself!
Use airplane mode
This is arguably the most basic advice, yet it is rarely used. When you are not waiting for a particular message, you do not want to be disturbed during a reading or during a sports training, switch to airplane mode. This will cut the antennas of your smartphone and thus cut off all communication with the surrounding antennas, whether Wi-Fi or mobile network. It's a small gesture, but it will still help to reduce the impact of the waves on your body a little if your phone is close to you.
Protect yourself when you sleep
We are all guilty of spending several hours on our phones everyday. When it's time to sleep, do your best to distance yourself from your device. The best is still to completely switch off your smartphone if you can. Otherwise, the airplane mode will also be effective for leaving you in an environment less polluted by the waves. Finally, if you must keep an active connection at all costs to respond to an emergency, at least make sure to place your smartphone more than a meter away from you. On your desk rather than on your bedside table for example.
Prefer the hands-free kit
The biggest risk factor, when it comes to waves, is proximity. The more you can physically move your phone away from your body, the more your body will thank you for it. So always try to favor the hands-free kit when you can, even when you are at home or in the office. Conversing via wired headphones with the phone on a table is the least dangerous health way to benefit from a telephone exchange. Bluetooth headsets and headsets are also a better option than sticking your phone to your ear: the range of Bluetooth accessories being only ten meters, they emit waves much less violent than those of phones, capable of connect to antennas that are sometimes very far away.
Do not call when the network is weak and during your journeys
It is recommended to avoid calls in conditions where the network is very bad. The more difficult the connection, the more your smartphone must dedicate power to the network antennas to make them work at full tube and try to pick up something. It is under these conditions that the device emits the strongest waves.
You may have already noticed this when your smartphone tries to hang on to a network operator that it can barely keep when you leave an airplane in a foreign country, for example. The phone will then heat up and the battery will drain quickly as the device does its best to provide a connection at all costs.
And this is precisely what happens when you travel by train or bus too. Better to avoid making phone calls during these times.
Put the smartphone in its phonebox in the car
If you are lucky enough to own a car with a phonebox, use it bluntly. Audi notably offers this system (in some of its models) which consists of isolating the telephone in a specific compartment of the passenger compartment. Not only does this avoid propagating waves in a confined environment, but in addition it makes it possible to use the exterior antenna of the car to pick up the signal, which often allows better reception. Otherwise, use the Bluetooth connection to make your calls.
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- Smartphone
- Wireless
- Cell tower
- Antenna
- Telecommunications
- Electromagnetic waves
- Health
- Network
- High-Tech
- Waves