Summary about jammers

Summary about jammers

Interfering device definition:

A jamming device is a jamming device that emits radio waves in the same frequency band used by mobile phones, etc., to prevent mobile phones, etc. from being used in the vicinity of the device. When this machine is installed, mobile phones etc. will be out of service area. You will not be able to make or receive calls.

Causes of using mobile phones

During this time, with the rapid spread of smartphones, I have felt uncomfortable with the ringing tone of mobile phones in places such as movie theaters, coffee shops, museums and concert halls. There are many cases of inconvenience to other people. There are bad acts such as cheating on a mobile phone at the test site. Create unfair results. What's more, sensitive information can be leaked in sensitive areas such as military bases and government agencies. There is also a need to provide a resting environment for the patient in the hospital. Use wifi signal jammer to prevent ringing tones and calls on mobile phones, to prevent cheating, to prevent privacy and leakage of confidential information, and to prevent radio noise.

principle:

By blocking the radio waves from the base station, the mobile phone and the base station cannot be connected normally, and the terminal will be out of service. The mobile phone is disabled. It is said that it causes something that temporarily prevents you from making and receiving calls.

Blocked radio waves: Compatible with GPS / 3G / 4G / CDMA / GSM / DCS / PHS / Wi-Fi.

10 Bands Portable High Power Cell Phone Jammer Jamming GPS WiFi 4G

Precautions to use

1. All antennas must be connected before turning on the power.
2. Ensure that the antenna is installed correctly.
3. It is more than 200 meters away from the base station.
4. The blocking range may vary depending on the environment in which it is used.
5. Surrounding metal products and walls affect the blocking effect.
6. The effective range may be narrowed in the environment of strong magnetic field and strong electromagnetic wave. 7. Continuous use for super long time may cause heat generation of the main body.
8. It is difficult for the smartphone you are calling to block the signal.
9. Mobile phone wireless signal blocking device may block other machines with wifi function.
Where to use mobile jammers:
Library: You can maintain a quiet study environment. Increase the efficiency of study.
Entertainment venues such as concerts, theaters, cinemas and concert halls: Prevent noise.
Examination venue: It is most effective for preventing cheating using mobile phones during the examination. We guarantee the fairness of the exam.
Confidential bases such as government agencies and military bases: Prevent information leaks.
Gas station: You can avoid accidents caused by microwave signals.
Hospitals: The use of mobile phones can prevent harm to the human body and the failure of medical equipment.