The signal jammer used in the college entrance examination has no effect on the human body.
1. Introduction to the principle of mobile phone signal jammer
This product is a new generation of mobile phone signal jammer developed by ourselves. Scan the end frequency to the high end. This scanning speed can cause garbled interference in the message signals received by the mobile phone. The mobile phone cannot detect the normal microwave signal data sent from the base station. Within a certain range, the mobile phone cannot establish a connection with the base station, thereby disabling the use of the mobile phone. purpose. Mobile phones show symptoms such as searching the network, no signal, and no service system.
2. Product usage:
Widely used in: various examination rooms, conference rooms, gas stations, oil depots, churches, hospitals, courts, military sites, libraries, theaters and other places .
1. Examination room: It can prevent and eliminate candidates from cheating by using modern communication tools.
2. Meeting room: Ensure the order of the meeting place, keep the meeting contents confidential, and prevent the leakage of meeting secrets.
3. Gas stations and oil depots: can avoid fires and explosions caused by microwave signal interference.
4. Church: Can clear mobile phone signal noise to maintain the solemnity and solemnity of religious places.
5. Hospital: It can prevent harm to the human body and interference with the work of medical equipment when using mobile phones.
6. Court: It can maintain the solemnity and sanctity of the court.
7. Military important areas: prevent the leakage of military secrets.
8. Library: A quiet environment for reading and studying.
9. Theater: As a high-end entertainment venue, eliminating noise can keep the audience interested in enjoying the program.
3. Product functions
This device has a wide range of applications and excellent performance. It can be used anywhere beyond 200 meters from the launcher, and can block mobile phone signals within a radius of 20 meters. The radius is adjustable. The 4-channel model can effectively block CDMA, GSM, DCS, and PHS mobile signals. It only blocks mobile phone signals without affecting other electronic devices and is harmless to the human body. . The device is easy to install and can work stably for a long time when connected to the power plug. It saves electric energy and is economical and simple.
IV. Main technical indicators
Each set of equipment can control a diameter of about 40 meters, and high-power models can cover a diameter of 80 meters.
Action frequency: 860～960MHZ 1.800～1.990GHZ
Action frequency band: CDMA800, GSM900, DCS1800, PHS1900.
Control range: about 40 meters in diameter
Power adapter: input AC 160~220V, output DC5V
Output voltage: determined according to user requirements
Output power: 10-200W
Dimension: 230×130×65mm;