Signal Jammer Signal Blocker Frequency Jammer For Sale

Signal jammers, also known as signal blockers, cell phone signal jammers, security devices, etc., work on the principle of implementing co-frequency electromagnetic interference on the wireless network that cell phone communication relies on, so that the mobile network cannot communicate normally. , so as to achieve the purpose of interference. The cell phone signal blocker only blocks cell phone signals and will not affect other electronic devices.

The working principle of the signal jammer is to scan from the low-end frequency of the forward channel to the high-end frequency at a certain speed during the working process. The scanning speed can cause garbled interference in the received message signal of the mobile phone. The mobile phone cannot detect the normal data sent from the base station, so that the mobile phone cannot establish a connection with the base station, so as to achieve the purpose of shielding the mobile phone signal. No service system, etc.

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Signal Blocker Have Been Widely Used

There are many occasions in daily life, such as schools, examination rooms, conference rooms, prisons, etc., it is very inappropriate to use mobile phones. At this time, in addition to confiscating mobile phones in advance, signal jammer can be used to block the mobile phone signals within the range of specific occasions, wifi signal, gps signal to shield, without mobile phone signal, Internet signal, we will not play mobile phone, this can achieve the expected effect.

Mobile communication has brought great convenience to our lives, but in some special occasions such as the examination room, it is necessary to avoid the occurrence of people using mobile phones to check, leak secrets, and carry out sabotage through the mobile communication network. At this time, it is necessary to use radio jammer. The method to partially destroy the communication in the designated area, the signal blocker came into being.

During the working process, the frequency jammer scans the low-end frequency of the previous channel to the high-end frequency at a certain speed. This scanning speed will cause garbled interference in the information signal received by the mobile phone, and the mobile phone cannot detect normal data from the base station, resulting in failure to establish a connection with the base station. The phenomenon presented by the mobile phone is a paging network. The mobile phone has no signal and no service .

Signal jammers is a regulation device for mobile phones and PHS developed for the purpose of raising awareness and maintaining a safe and comfortable space for mobile phone users who do not follow good manners.

The signal jammer that we sell, is a device that jams 3G / 4G mobile phones, spy cameras, GPS, Lojack, VHF / UHF, 2.4GHz charged waves, etc. and makes them inoperable. It was supposed to be used in facilities where mobile phone calls and ringtones are annoying.

Common Search Terms

Cell Phone Scrambler | WiFi Blocker | GPS Jamming Device | UAV killer