Cell Phone Scrambler App
During the inspection, in addition to the signal amplifier that may be used to check fraud (which will affect the signal of the mobile phone), the cell phone scrambler app that is temporarily turned on in the inspection room will also affect the quality of the surrounding network. It may happen that the mobile phone cannot make and receive calls normally, the call is interrupted, and the mobile phone cannot access the Internet. Phenomenon, such as the slow surfing speed of mobile phones, is obviously like a sign of blocking by cell phone jammer.
The cell phone scrambler app used in the examination room are all full frequency bands. It can shield all 2G, 3G, 4G signals, 2.4G WIFI signals and Bluetooth signals under the three operators of China Mobile, China Unicom and Telecom. The principle is to interfere with the frequencies sent by mobile phones, base stations, and wireless routers through their own sending frequencies, so as to achieve the purpose of shielding them. Third: During the college entrance examination, the area around the examination room will affect the call quality of the surrounding users. For example: frequent failed calls, unconnected calls, dropped calls, intermittent calls, etc. will return to normal after the end of the exam, please understand and understand! ! This is not the network quality problem of the three major communication operators! !