Cell Phone Signal Jammer Homemade
Nowadays, with the continuous advancement of technology, smart phones have brought convenience to people's lives, and at the same time, the use of mobile phones to engage in illegal behaviors is endless. Take exams, for example. In the past, cheating on exams relied on taking cheat sheets, smuggling paper slips, and even writing formula titles on my arms and legs. As usual, only a 5G Cell Phone Signal Jammer Homemade is needed to stop cheating on exams. With the gradual approach of high school entrance examinations and college entrance examinations in various schools, many schools are faced with the problems of preparing for the examination room. In addition to the disciplinary invigilation of the examination room, there is also the most troublesome cheating to avoid. At present, in order to avoid the occurrence of cheating in the examination room, many schools have dealt with this phenomenon, cell phone jammer It also came into being, the signal jammer can be a good helper to effectively eradicate and prevent cheating.You can make a call only from the service area of a specific area, or you can make a call immediately after leaving the interference area. There are also some useful features. You can adjust the on/off and strength of each resistance band. With independent power supply and radio control buttons. You can individually set the radio waves to be blocked. Only cut off the radio waves you want to block. It can run stably for a long time. I am not saying that this will be the electromagnetic coverage of smartphones. I want to know what a radio barrier is. The mobile Cell Phone Signal Jammer Homemade device is designed to prevent antenna mining errors only after the correct antenna is inserted. (Note: If there is no antenna, please turn on the power switch, it may damage the machine.) *Simple operation, automatic power supply Bluetooth device implementation, slow start, to avoid hindering the effective ignition circuit design *Imported cost-effective-high-performance integrated circuits and SMT parts, Imported automatic SMT machine and reflow soldering machine processing, assembly line production, high quality, stable performance, maintenance utilization rate is less than 2%. Suitable for all test items of electronic interference equipment, avoid corrosive gases and liquids, avoid dust and moisture, and will not accelerate the aging of equipment components.