4g wireless communication must ensure a sufficient signal-to-noise ratio in order to receive effectively and complete the communication. Then according to the above working principle, we can conclude that 4g Cell Phone Jammer At Pga is generally composed of Power supply, electronic scanning control unit, segmented radio frequency module unit, amplifier unit, transmitting antenna unit and other parts. The scanning signal generated by the signal generator passes through the inverter, enters the oscillator and modulates it to the mobile communication working frequency band, and then is amplified by the Power amplifier and the voltage regulator tube controls the Power . The amplified frequency sweep signal is transmitted into the air in the form of radio waves. cell phone jammer
Why do more and more exam rooms choose exam Cell Phone Jammer At Pga? In this era, with the development of information technology, mobile phones have also brought a lot of convenience to our lives, especially with the 4G network, the speed is faster and it is more convenient for us to watch movies and chat, but this brings convenience At the same time, there will also be many problems. Some people put this kind of attention on the exam, and use the convenience of mobile phones to plan to cheat in the exam. This is a thing that cannot be allowed to happen in the exam room. This kind of possible situation, more and more examination rooms now choose to use test mobile phone jammers to prevent cheating.
