What is frequency band?
A frequency band is an interval in the frequency domain, delimited by a lower frequency and an upper frequency. The term may refer to a radio band or an interval of some other spectrum. Frequency band is an important standard for cell phone jammer The frequency range is different, the signal that can disturb is different. Because the frequency band does not interfere with each other, it will not work if you use the GSM band to interfere with the 4G signal. So be sure to know your country's frequency band before selecting the jammer.
There will be some differences in the functions of different devices, respectfully consider these, and have more understanding of the entire function, these are actually very important to you. Can you correctly pay attention to whether the mobile phone signal blocker can block telecommunications? Seriously pay attention to some specific functions, and constantly understand various situations, which plays an important role for all of us, so I hope everyone will actively pay attention to these aspects in the process of doing it, and then You can make better choices. When everyone is paying attention, everyone should correctly consider all aspects of matters, after all, it will directly affect the future results. The functions of the equipment are different, and the methods used will be different. When you can correctly understand more, see some evaluations of other people, and complete the corresponding decision on this basis, it will be more secure for you, so I hope that everyone can actively recognize these aspects in the process of doing it.