Pocket-Size 3G Wireless Cell Phone Jammer
Exam Pocket-Size 3G Wireless Cell Phone Jammer Can all communication signals be blocked? Speaking of it, many people are unfamiliar with the test signal jammer. In fact, it has been widely used in the college entrance examination examination room. In the college entrance examination last year, many examination rooms installed this kind of equipment. The response has been very good, and it has been proven to have a good effect on preventing electronic signal cheating. Starting this year, it has been vigorously promoted so that more examination rooms can also install mobile phone signal jammers. cell phone jammer You must know that the telephone network is inherently dangerous and vulnerable to various hacker attacks.
Sometimes we can't make calls in the elevator, indicating that the telecom signal is also out of coverage. In this case, we can use the exclusive Pocket-Size 3G Wireless Cell Phone Jammer to block related signals. Some netizens asked whether mobile phone signal jammers can shield telecommunications? The answer is of course yes. And some mobile phone jammer products on the market can not only shield 2G and 3G signals, but also 4G can effectively shield. Sometimes when we enter some confidential occasions, we may be asked to put the mobile phone in a cabinet and take it away after the meeting is over. This cabinet is a mobile phone shielding cabinet. Put the mobile phone in it. Because it can effectively shield the telecommunications signal, the information received by others is that this number is not in the service area. This is not the same as setting the mobile phone to the flight state by plane, which is an active signal shielding method. The shielding operation is simple. Use freely. Can a mobile phone jammer block telecommunications? In fact, shielding cell phone signals is a basic function of cell phone jammers. Take the special cell phone jammer for prisons as an example. It is a special jammer, which not only has the function of shielding the signals of mobile phones and the Internet, but also effectively prevents signal interference and achieves a good shielding effect. There are many shielding needs, and now there are endless shielding products to meet the special needs of different customers.