With the widespread popularity of mobile phones, the demand for mobile phone signal jammers has also increased significantly, creating huge growth opportunities for the market. However, many customers lack understanding of the specific role of signal jammers, which often leads to some companies being deceived by dishonest salespeople who exaggerate the benefits of purchasing high-power phone signal jammers, causing unnecessary trouble. Therefore, it is crucial to choose a signal blocking device that meets personal needs. In this regard, JAMMERSIGNAL Information Technology Co., Ltd. will explain how it works.
The working principle of the Cell phone signal jammer is to transmit signals in a specific frequency band to interfere with the electronic signals emitted by mobile base stations. The transmitted signal imitates the base station signal and effectively blocks the mobile phone signal. In essence, it acts as a signal transmission source for shielding. However, these signal sources also bring a challenge-electromagnetic radiation sources. At present, the transmission power of mobile phone signal jammers ranges from 1W to 100W, depending on the requirements of the scene. In order to understand the strength of this transmission power, let’s make a comparison. The maximum transmission power of GSM mobile phones is 2W, the transmission power of GSM macro base stations is generally between 20W-40W, and the transmission power of commonly used phone jammers for exams, meetings, etc. is generally between 10W-50W.
Generally speaking, for routine exams and small and medium-sized meetings, a phone jammer with a transmission power of 2W-10W can achieve satisfactory results. However, for large educational institutions and large event venues, it is often mistaken to give priority to high-power phone jammers. For example, a university with more than 20 classrooms may equip each classroom with a shielding device with a transmission power of 50W. However, due to insufficient attention, small signal jammers often work for weeks in a row. One worrying incident occurred in an elementary school where a phone jammer worked for two weeks without anyone noticing. It was not until a thorough inspection that they discovered that the phone signal jammer was emitting a continuous signal near the podium in a crowded classroom. This incident was really heartbreaking!
Therefore, I strongly recommend that companies that need phone signal jammers follow the following guidelines:
- Do not blindly follow the trend and choose a high-power jammer. For classrooms, a signal jammer with a transmission power of 2W is sufficient to achieve effective signal shielding.
- After testing, turn off the phone signal jammer in time to avoid continuous radiation.
- Choose a reputable manufacturer to produce phone signal jammers. Unethical manufacturers often intentionally increase the transmit power of signal jammers to achieve a more significant shielding effect, compromising safety and compliance.
