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source:Industry News release time:2021-07-28 Article author:sznbone Popular:Prison Jamming system
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.
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