As for the effect of the concert, many people are now listening to mobile phones, which has led to various interferences. If you listen to music and find that you don't have a signal cell phone, talk to your administrator and you'll find a dedicated cell phone signal jamming device here. Several concerts didn't go well. When an overseas guest arrives, it rings the mobile phone and affects the overall effect of the concert. It gives a bad impression to international friends. Install a cell phone jammer to improve the grade of your concert.
The concert hall is a very independent small space. It has a very elegant atmosphere of music and art. The audience sees the concert and it's a very good experience. Introduce signal jammer at this location. Create this new environment. Manage mobile phone signals within a set time. Providing a feast of music to the viewer. Out-of-service devices can hang up mobile phone calls by emitting jamming radio waves from the mobile phone. If the frequency is different, it cannot be disturbed. The range of communication suppression effect is limited to a small space.
Many people think that this is because the announcement "Please turn off your mobile phone" came in before the performance started. It is a mobile phone deterrent device that intentionally makes the radio waves of mobile phones in the area "out of service area". Prevents mobile phones in the area from communicating with the base station. wifi interference means that it can cover an area of about 50 meters in diameter.