This 5-band jammer is designed to be very portable and easy to remove the antenna. There are separate frequency switches that can be turned on or off as needed.

The reasons that affect the 4G network signal are as follows:

Recently, a customer inquired about how to choose a mobile phone jammer for a performance hall with an area of ​​about 2,000 square meters. If you have been to an auditorium or theater, you probably know the layout of the auditorium, which is probably as follows.