How Block Number Cell Phone Has No Clear Legal Rules

It is reported that the " How Block Number Cell Phone " signal shielding range in classrooms is limited to classrooms. As long as you walk out of the classroom, the mobile phone signal will be restored, and the students' freedom of communication and freedom of speech will not be compromised. In order to ensure that students' health is not affected, non-full news management often attaches great importance to product quality. The electromagnetic radiation of the installed " cell phone jammer " must meet the relevant national standards and will not affect the human body. Many schools and exam rooms already have qualified products in use. At present, there are no clear legal provisions restricting the scope of application of radio interference devices in my country. In practice, as long as the relevant departments follow the principle of not interfering with public communication, it can also be used for some large-scale examinations, conferences and activities.

Generally speaking, the minimum range of a signal jammer is tens of meters, and only enough jammers are needed. Larger ones have no limit. Otherwise, how the cell guarantees that all data signals are masked How Block Number Cell Phone class depends on the class of your station. A house of about 100 square meters is enough. You can know that the shielding range of the mobile phone signal jammer is determined according to the output power of the shielding device. If the shielding range of the local natural environment data signal is different during the on-site inspection, for example, the weak shielding range of the data signal in the room is large. What are the outdoor application accessories for GSM communication base station? The basic theoretical analysis shows that