This method has relatively high requirements for mobile phones and the environment, but the effect is the best and most concealed. The premise is that the mobile phone must have wifi wireless Internet access function and there must be an available wireless network around. After searching and successfully connecting to an available wireless network with your mobile phone, you can still surf the Internet even if your mobile phone has no signal and no traffic. At this time, you can find the answer you can’t find on Baidu. If you want to send the answer, you can use qq to play whatever you want. Row. A method of hyper perversion. It is suitable for students with a distance of no more than 50 meters to pass answers to each other. It is also possible to test two adjacent classrooms by myself. Install bluetooth software like bluetooth hacker on the mobile phone, and then both sides turn on the bluetooth visibility. In the software option, there is the option to force the message to be sent via bluetooth. Enter the answer and force the sending, and all bluetooth mobile phones that turn on the visible will accept To the answer, one person sends the whole class to share. To emphasize, Cell Phone Jammer Legal In California Some models of mobile phones seem to be unable to adjust the frequency. You can change the network mode from automatic to manual, it will search the network, do not select if you find it, and return directly, you will find that the signal is full in an instant, of course, it also depends on the performance of the mobile phone, some mobile phones will only have a dozen at this time A second signal, but enough to send and receive text messages cell phone jammer
If the human body is damaged by microwave radiation of a certain power in a short period of time, it can basically be recovered. Tang Tai believes, "However, if the power of the microwave is too high or the time of receiving the radiation is too long, it will be very dangerous. For example, he said that if a certain radiation unit is reached, the relatively fragile organs of the human body, such as the eyes, pituitary gland, and male reproductive organs, will be harmed. The most serious is that this kind of damage is basically irrecoverable and belongs to permanent damage. Wireless communication must ensure sufficient carrier-to-interference ratio (signal-to-noise ratio) in order to receive effectively and complete communication. Mobile communication Cell Phone Jammer Legal In California is to destroy the receiving conditions of the mobile phone and cut off the communication connection between the mobile phone and the base station by generating interference signals with the same frequency as the mobile phone receiving.