Precautions for using mobile phone signal jammers
As mobile phones become more and more popular, the demand for mobile phone signal jammers in various meetings and examinations is also increasing, and the mobile phone signal jammer market is also expanding. However, many users lack sufficient understanding of such equipment and prefer high-power jammers unilaterally, which may bring potential risks.
The principle of mobile phone signal jammers is to transmit a wide range of interference signals to interfere with the uplink signal of mobile phones, thereby effectively blocking mobile phone communications. However, it should be noted that the jammer itself is a signal source and will generate radiation. The transmission power range of existing signal jammers is 1W to 480W. The transmission power of general GSM mobile phones is about 2W, and the transmission power of GSM macro base stations is generally 20W to 40W. For most exams and meetings, the recommended transmission power range for effective signal shielding is 10W to 60W.
In general, choosing a mobile cell phone signal jammer with a transmission power of 2W to 10W is suitable for regular exams and small meetings, and can achieve satisfactory results. However, in our survey of large schools and important places, we found that there is a tendency to pursue high-power shielding unilaterally. For example, in a school with more than 20 classrooms, a jammer with a transmission power of 30W was installed in each classroom. Unfortunately, after the exams were over, some devices were left on and transmitting signals for weeks due to negligence. We have even encountered a situation where the devices in elementary schools were left on for two consecutive weeks, with the screens left on and placed on the students’ desks. This finding has caused concern.
Therefore, I strongly urge all individuals who need to use mobile phone signal jammers to consider the following precautions:
1.Avoid blindly choosing high-power jammers.
For classrooms, a signal jammer with a transmission power of 2W is sufficient to achieve the required signal shielding effect.
2.After use, please turn off the jammer in time
After use, please turn off the jammer in time to prevent continuous radiation.
3.Make sure to choose a jammer produced by a reputable company.
Shielding devices produced by unauthorized manufacturers often prioritize the maximum shielding effect, which may compromise safety and quality standards.
By following these precautions, we can ensure the effective and safe use of mobile phone signal jammers.
