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Characteristics and usage of signal jammer

Characteristics and usage of signal jammer

  • 2022-09-23

Signal jammers are indispensable to maintain a fair and just order in the examination room in large and small examinations. In order to give students enough rest time, many schools also install signal jammers in their dormitories. It can effectively shield CDMA (China Telecom), GSM (China Mobile, China Unicom), DCS (1800MHz), 3G, 4G and other mobile phone signals as well as WIFI (WLAN) and Bluetooth signals.

Characteristics of signal jammer:

The intensity of electromagnetic field conforms to the national standard, has no impact on human body, and is green; Each frequency band is finely divided, which only interferes with the downlink frequency and does not interfere with the base station; Special heat dissipation ventilation holes and double fans ensure long-term safe, continuous and stable operation; Built in switching power supply to ensure the stability and accuracy of the signal; Built in antenna, easy to operate, automatic operation after power on; Imported high-performance integrated circuits and chip modules are selected to ensure more stable quality and performance;

Use method of signal jammer:

① Select the area that needs to interfere with the mobile phone signal, and place the signal jammer on the desktop or wall of the area.

② After installation, insert the power plug and turn on the power switch.

③ After the equipment is connected, press the power switch to work. At this time, all mobile phones on site are in the search network state and cannot connect to the base station.


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