If the original stipulation that the failure-free service life is 1 year and the failure-free service reaches 3 years in actual use, the price/performance ratio has tripled. If the original stipulation that the trouble-free service life is 1 year, it will often fail in less than half a year in actual use. Although it is a free warranty, the risk is immeasurable, personnel resources are wasted, and the corresponding price-performance ratio is greatly reduced. If external shielding is not considered, it is relatively easy to simply Cell Phone Signal Jammer For Vehicles , as long as the shielding Power is increased. But it is necessary to ensure that the shielding area has no blind areas and no leakage points. The Power intensity in the shielding area is relatively high. If there is a little leakage, the external shielding will be large. This requires full consideration and technical control during shielding design to achieve precise and efficient shielding without external coverage. The cost should follow the shielding requirements and budget. You can't blindly choose a cheap machine, and you can't think that the expensive is good. The actual choice is. cell phone jammer Word-of-mouth is very important. It is even more important to conduct a field inspection of its past cases, test the shielding effect, and then make a selection.
When the mobile phone receives and sends information, it needs to have a communication signal to support it. If there is no mobile phone without a signal, it is impossible to receive and send information, and exam Cell Phone Signal Jammer For Vehicles can just isolate the communication signal, making the mobile phone completely "lost" within the shielding range. This approach is also supported by the examination rooms of the majority of schools. Now the test mobile phone signal jammer has been vigorously promoted in the examination room, which brings a better guarantee for the order of the examination room and allows the candidates to test Achievement. Now that the college entrance examination season is approaching, it is also when schools are looking for high-performance signal jammers. In fact, when choosing a mobile phone signal jammer, you must choose a professional one. Therefore, customers are welcome to come to our website for consultation and understand the price of signal jammers. To ensure that the examination room is free from cheating, so that candidates can answer the exam with peace of mind in the examination room.