Use and maintenance of signal jammer | #jammer

This situation may be due to the power of the full-band jammer used is too low, or there are base stations or indoor signal amplifiers near the location. In this case, it is recommended to use more high power jammers to meet the shielding requirements of the site.
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To be honest, although most of the test room signal jammer now indicate that they can support the signal shielding of the 4.9G frequency band in the product manual, but among the products actually put into use, many test room shielding instruments do not have the function of shielding the 4.9G frequency band .
https://www.dojammer.com/cell-phone-jammers.html

First of all, the answer can be relatively clear: most of the mobile phone signal jammers currently on the market, the interference signal emitted by them is essentially a white noise signal overlapping with each working frequency band of the mobile phone, and the effect of interference depends on the interference signal and the base station.
https://www.dojammer.com