Mobile phones have become a modern mainstream communication tool, convenient for daily life, and very common on university campuses, but this can cause problems in classroom management. To manage students, the university has installed portable jammers in some classrooms. College administrators in some schools have introduced cell phone signal shielding equipment. In the future, we will further expand the control of shutdown signals in the classroom, and plan to introduce a method to increase student efficiency in this way to enhance school management.
There are many types of signal jammers on the market and they are sold on the market. We are a well-known manufacturer of mobile phone signal jammers. All kinds of mobile phone jammers have a wide range of applications. Phone signal jammer are mainly used in test sites. There is a portable jammer with eight antennas. what is the benefit? This equipment is explained here. New jammers are expanding their applications. It is used in sensitive places such as gas stations, courts and theaters, and can be used to prevent bombs from exploding.
When buying a jammer, pay attention to blocking different frequency bands according to the jammer specifications. Some products contain different frequencies. First, determine if it is interfering with the device you want to block. It requires you to know what kind of signal the jammer is effective in. To know that calls are different at different locations, you need to choose the jammer for the device you want to block. Some products support GSM 3G and 4G signals. Some shielded DCS PCS UHF VHF bands, so the selection is especially important.