Everyone is familiar with mobile phone signal jammers. They are also called cell phone jammer. Anyone taking the large-scale exam can see them. They are placed at the entrance of the examination room. On the contrary, this is not a malicious blocking signal, it is a manifestation of maintaining fairness in order to provide people with a fair test environment. However, many people sometimes wonder whether it will affect the signal radiation of the base station, so that there is no signal in an area. Scientific method to deal with mobile phone signal interference. The working principle of a mobile phone signal jammer is to send out a specific signal to wake up or interfere with the signal between the mobile phone and the base station, so that the mobile phone has no signal or cannot find network services. The text messages sent and received by the mobile phone will also become garbled, so the original message cannot be recognized. In fact, signal interference generally does not affect the signal of the base station, so don’t worry, no one wants to interfere with other people’s signals.
If the theater uses jammers and starts the second stage of the performance under low-light conditions, concert audiences, Broadway fans, movie viewers, etc., don’t have to worry about such rude behavior. Of course, there is always an emergency, or there is a doctor on duty, or you must make sure that the caregiver can contact his parents. But these people should find another way to spend the night outside. The GSM 900 MHz frequency band has a duplex interval of 45 MHz, an effective bandwidth of 25 MHz, 124 carrier frequencies and 8 channels per carrier frequency. According to the signal, many customers ask us whether there are interfering devices caused by telephone ringing and uncivilized telephone harassment, so that the environment around us becomes calm. Yes, for customer issues, professional customer service attitudes and product expertise, we provide customer service to eliminate customers’ doubts and help them make purchases in a professional manner.