Feb 06, 2026
What signals can the shield device block?
Problems related to signal blockers (also known as signal disruptors) are quite common. Understanding their working principle, shielding range and legal regulat
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![How Recording Jammers Work]()
How Recording Jammers WorkIn the working process of the anti-eavesdropping recording jammer, the true random number is the most seed, and the high-security national secret algoDec 07, 2021 -
![Precautions for the use of mobile phone signal jammers in conference rooms]()
Precautions for the use of mobile phone signal jammers in conference roomsIn our daily work and life, as long as you pay attention, cell phone signal jammers are still relatively common, and they are basically easy to see whDec 06, 2021 -
![How to increase the VHF and UHF frequency bands of the mobile phone signal ja...]()
How to increase the VHF and UHF frequency bands of the mobile phone signal ja...The current mobile phone signal jammer has basically achieved modularization, that is, different frequency bands, using different modules, through theDec 05, 2021 -
![Precautions for the replacement of the RF module of the police frequency jammer]()
Precautions for the replacement of the RF module of the police frequency jammerThe police jammer can selectively open different frequencies according to different usage scenarios.Dec 04, 2021 -
![What happens to a cell phone jammer if the RF module and antenna don't match]()
What happens to a cell phone jammer if the RF module and antenna don't matchThe radio frequency module of the mobile phone jammer is divided according to the signal frequency used by the mobile phone.Dec 03, 2021 -
![Can the mobile phone shielding device fail without destroying the mobile phon...]()
Can the mobile phone shielding device fail without destroying the mobile phon...If you want to make the cell phone jammer fail, you must first know the working principle of the cell phone jammer and how the cell phone jammer makesDec 02, 2021 -
![What are the advantages of installing a mobile phone shielding system in pris...]()
What are the advantages of installing a mobile phone shielding system in pris...In prisons, detention centers and other supervision places, other communication tools such as mobile phones are prohibited from being brought into theDec 01, 2021
