Blocking Spam On Cell Phones
The mobile communication jammer is also called Blocking Spam On Cell Phones . It can form garbled interference in the received message signal of the mobile phone, so that it cannot detect the normal microwave signal data sent from the base station, and loses connection with the base station within a certain range, so as to prohibit the use of mobile phones. Purpose. When the mobile phone is shielded, it is manifested as searching the network, no signal and no service system. In fact, the appearance of mobile phone signal jammers is not new. In 1999, mobile phone jammers have been produced, mainly used in oil depots, military, security agencies and other important places in the country for safety protection work. With the increasing popularity of mobile phone use, uncivilized mobile phone calls have increased, and some arguments to protect the public civilized environment have been repeatedly emphasized. cell phone jammer It is based on this market demand that it began to move towards civilian use. In recent years, mobile phone signal jammers have been installed in some crowded public places to eliminate the interference of mobile phones to the environment. This move has been recognized by some people, but some people think it is an infringement of personal communication rights.
I randomly interviewed several audience members who walked out of a theater in Beijing. Some people think that the original intention of installing Blocking Spam On Cell Phones is a good one. But some people also said: "This approach is inappropriate. It is a violation of citizens' rights and interests to block mobile phone signals for no reason. Signal blocking may delay important things. Once a situation occurs in the venue, it is not even possible to call for help." The administrative office of the theater The staff of the company told reporters that the installation of mobile phone jammers is mainly to stop uncivilized phone calls in the venue, maintain a good audio-visual environment, and protect the interests of most people. When asked if there was a sign to block mobile phone signals in the venue, the staff member only answered vaguely: "Our staff will remind the audience to turn off the mobile phone ringtone when entering the venue."