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Block Incoming Calls On Cell Phone

Perfectjammer 2022-01-08

Block Incoming Calls On Cell Phone

From some communication equipment stores on the Internet, I saw a special equipment called "cell phone signal killer" --- Block Incoming Calls On Cell Phone is selling well. The mobile phone jammer can make all mobile phones within a radius of 20-40 meters become "dumb" and cannot receive any signals. Is the use of this cell phone jammer equipment legal, and whether it violates people's normal communication rights? Due to the blank policy, the relevant departments are also at a loss. According to a dealer in Tianjin, this "mobile phone killer" is actually a device that interferes with mobile phone signals. After installation, in a 20-40 meter radius space with it as the center, all mobile phone signals will be transmitted by it. The interference signal is destroyed, and there is targeted interference to the four frequency bands of 800, 900, 1800 and 1900 currently covered by domestic mobile phones, that is, the "Little Smart" of China Mobile, China Unicom or Telecom will be covered without exception. hibernate in the area. However, the businessman explained to reporters that once the mobile phone leaves the range of action, the signal will be restored, and the "killer" will not really damage the mobile phone, and it will not affect the signal of TV, radio and wireless networks.

It is understood that the current market price of this type of "mobile phone killer" is about 5,000 yuan, and it is said that many units have already used it. At present, the largest user groups are gas stations, theaters and libraries. Since these areas are not suitable for using mobile phones, forced shutdown is abrupt, so simply use this Block Incoming Calls On Cell Phone machine to destroy the signal and make the mobile phone "dumb". Although this kind of machine will have a certain inhibitory effect on the increasingly serious mobile phone pollution in the current society, it is based on the premise of destroying telecommunication signals. To some extent, it has disturbed the order of wireless communication in the region. The use of criminals will obviously have the opposite effect. The businessman who sold the machine told reporters that it is definitely legal to sell and use this kind of machine at present. However, we learned from the Shanghai Municipal Communications Administration that the relevant departments have not been able to determine the legality of this kind of mobile phone jammer. Relevant people appealed that it is best to implement monopoly on such machines of a "double-edged sword" nature to ensure that they are used in legal channels.

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