2022 Radio Management Propaganda Month -Popular Science Articles

1. What is radio

According to the definition of the International Telecom Telecommunication Union, Radio is a common name for Radio Waves. Electromagnetic Wave, which is transmitted without manual guidance in the space, is usually below 3000GHz. The electromagnetic waves near 3000GHz can be regarded as radio waves or light waves.

Second, ubiquitous radio waves

In the space where we live, radio waves are everywhere. People use the transmission characteristics of radio waves to realize the transmission of information in space, and invented the radio, radio radio, television, and mobile phones. People also use the reflection characteristics of radio waves to achieve the detection of targets, invented the technologies such as radar, radio remote sensing remote testing, and radio navigation positioning. People also use the energy of radio radiation to bake cooked food and invented the microwave oven.

Third, the harm of "black broadcast" and "pseudo -base station"

"Black Broadcasting" refers to illegal radio stations that have not been approved by the competent department of radio and television and radio management agencies. The "pseudo -base station" is a fake base station. It can search for mobile phone card information centered on it, within a certain radius, and use the camouflage to be a base station for operators, and use other people's mobile phone numbers to forcibly send short information to the user's mobile phone. In recent years, "Black Broadcasting" and "Pseudo -based Station" have gradually become the "hotbed" to breed spam and telecommunications fraud. At the same time, the illegal set of "black broadcast" and "pseudo -base stations" emitted radio signals will bring serious threats to normal radio broadcasting, communication business, and Minghang flight.

Fourth, talk about electromagnetic radiation

Two types of radiation: ionizing radiation and non -ionizing radiation, they are two different types of radiation. The reason why radiation people are generally afraid because they are mistaken for the two. In fact, only the ionization radiation in radiation can cause serious damage to the human body. However, most people in daily life are often exposed to non -ionizing radiation, so understand this. "". Taking the mobile communication base station that everyone is most concerned about, the electromagnetic radiation of the base station belongs to non -ionizing radiation. my country ’s base station radiation national standards are limited to 40 microblasts/square centimeters, which will not affect the human body.

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