Gas station mobile signal jammer

Gas station mobile signal jammer

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  why is it forbidden to make phone calls at gas stations?
  As we all know, gas stations dealing with flammable and explosive materials are high-risk industries, and "safety first" is the most basic requirement for gas stations. Common safety measures at gas stations mainly include turning off motorcycles to refuel, gas station employees must wear anti-static clothing to work, prohibiting open flames and using mobile phone calls in gas stations, and not refueling in plastic buckets, etc. One of the more difficult to manage is the prohibition of customers using mobile phone calls in gas stations mobile signal jammer.
  First of all, people have misunderstandings about the safety hazards caused by using mobile phones in gas stations. Why can't you make phone calls in the gas station? Some people think that it is alarmist that a mobile phone can cause an explosion at a gas station, and they have never heard of an explosion caused by a mobile phone. In fact, there is a certain scientific basis for mobile phones to cause explosion accidents.
  As a radio communication tool, the mobile phone emits radio waves, which can induce radio frequency currents in the antenna that receives the radio. When RF current circulates between metal conductors, RF sparks will be generated in case of corrosion or poor contact. As long as the RF spark lasts for more than one microsecond and the energy is greater than 6 milliwatts, it will ignite the methane-air mixture. Since gasoline is a volatile substance, in the combustible danger area formed by the leakage of oil and gas tanks and natural gas pipelines, the radio frequency sparks generated by mobile phones can easily cause explosions and lead to disasters.
  When the gas station fills the fuel tank of a car or motorcycle with gasoline through a fuel gun, the oil and vapor in the original empty fuel tank will drift outward, and the newly injected gasoline will also volatilize into the air, causing the density of the fuel and vapor around the refueling vehicle to increase sharply. At the same time, in order to make the communication signal clearer, the frequency of mobile phone use is very high, and the transmission power is relatively strong. Although it meets the national standard, it still poses a serious threat to refueling and gas stations. Because refueling and gas stations are now generally controlled by computers, high-intensity mobile phone signals will cause induction with computer equipment, and the instantaneous electronic friction between the two may ignite fuel vapor and cause an explosion. The current required to ignite the fuel gas is very small, and the static current generated by the mobile phone in the working state can completely reach this limit. If you encounter cloudy or foggy weather with high air humidity and low air pressure when refueling or unloading oil at the filling station, due to poor air circulation, the density of oil and vapor will increase accordingly, and the possibility of explosion caused by receiving a mobile phone will further increase. big.
  In addition, because the mobile phone itself does not have explosion-proof function, if the mobile phone is used for a long time or the quality of the mobile phone itself is poor, the circuit of the internal chip of the mobile phone is prone to short-circuit, so that the mobile phone can generate a small amount of sparks at the moment of answering, thereby also Can cause an explosion at a gas station.
  Secondly, there is only one way for customers to use mobile phones in gas stations. At present, the main way for gas stations to prohibit customers from using mobile phone calls at gas stations is to persuade, but sometimes the effect of persuasion is not ideal. On the one hand, the customer does not know the safety management regulations of the gas station, and believes that it is unnecessary for the gas station employees to let them use their mobile phones in the gas station, which is prone to rebellious psychology. On the other hand, the customer knew that he could not use the mobile phone in the gas station, but he was lucky, and one-sidedly believed that the accident would not happen when he was using the mobile phone, so he did not listen to the persuasion of the gas station staff and went his own way.
  It is not uncommon for car owners to use mobile phones in gas stations. Gas stations should be prepared for danger. They should not turn a blind eye to this phenomenon and let it go. Effective measures should be taken to eliminate potential safety hazards and jammer gps buy ensure the safety of gas stations.

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