Which of the Electromagnetic Radiation Intensity of Mobile Phones and Mobile Phone Cellular Base Stations Has A Greater Impact on People?

Mobile phones are small in size, low in power, and have no obvious and eye-catching antennas, so many people think that their electromagnetic radiation intensity is lower than that of mobile phone cellular base stations, but this is not the case. When using a mobile phone, the antenna and the receiver are close to the ear, and the antenna is only 2 to 5 cm away from the head. In this way, the head is in the near-field radiation area of the mobile phone, and the electromagnetic radiation it receives is relatively large. Human activity areas are generally far away from mobile phone base stations, which belong to far-field radiation and are very weak. Mobile phone radiation directly acts on the sensitive part of the human body - the brain, so the electromagnetic radiation of mobile phones should be paid more attention by people.

We know that the farther away from the antenna, the lower the intensity of electromagnetic radiation. In an ideal situation, the electromagnetic radiation intensity at a certain point is inversely proportional to the square of the distance from the point to the antenna. That is, the intensity of electromagnetic radiation at a distance of 1 cm from the antenna is 100 times greater than that at 10 cm. Suppose we use an ordinary mobile phone with a power of 1 watt and make a call at a distance of 10 cm from the head. In theory, the electromagnetic radiation intensity received at this time is equivalent to the electromagnetic radiation intensity of a base station with a power of 10,000 watts located 10 meters away. In fact, the power of most public mobile phone cellular base stations is below 20 watts. Therefore, the electromagnetic radiation intensity of public mobile phone cellular base stations to an area 10 meters away is less than one-fifth of that of mobile phones.

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