The most popular combination of blocking frequency ranges is a combination of frequency bands, such as GSM frequencies, such as GSM850, GSM900, GSM1800 and GSM1900 are no longer blocked individually, but are blocked together by signal jammers. However, more and more frequencies a

Some government agencies or conference centers have multiple conference rooms distributed on various floors. When these conference rooms are doing mobile phone signal shielding projects, the customer proposes to install intelligent shielding devices. Then, the intelligent shieldi

When the wireless signal jammer is working, some mobile phones will still have a signal, but this is a false signal and it is impossible to communicate.

Nowadays, people always live in a really busy lifestyle, full of the hustle and bustle of working hours, do you still want to keep this state and busy when you are off work? For some people, their answer may be yes Yes, because they like this way of life, but on the contrary, for

I need help avoiding interference. What should I do if I suspect someone is using a nearby gsm jammer and needs an emergency call? It's really important to me! I can say that not everyone should use new technologies on demand. You need to know how these signal jammers work so you

Installing a mini-listener on your phone is the most primitive method. A wired phone transmits an analog signal during a call without encryption, so truncating this signal can easily revert to voice. The mobile phone signal is sent over the air, and the sent signal is encrypted,

As the functions of current mobile phones are getting more and more powerful, does the