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It uses frequency multiplication, frequency division, frequency hopping filtering and other technologies to analyze the required shielding frequenc...

In view of the continuous development of communication standards, the third-generation 3G mobile phone signal jammer has been carefully developed a...

Portable cell phone signal jammer adopts imported IC and is independently developed, especially for some small places at home and abroad that requi...

Transmission frequency range: 860-960MHz1.800-1.990GHz
Ambient temperature: -20~55℃
Relative humidity: 30%~95%

The cell phone jammer scans from the low-end frequency of the forward channel to the high-end frequency at a certain speed during the working process.

When the mobile phone is working, it is within a certain frequency range. The mobile phone and the base station are connected by radio waves to com...

Mobile phone signal jammers are mainly aimed at all kinds of examination rooms, schools, gas stations, churches, courts, libraries, conference cent...

Select the area where you want to cut off the cell phone signal, and place the cutter on the table or wall in this area.

College entrance examination, adult college entrance examination, self-study examination and various colleges and universities.

Effectively shield various walkie-talkie signals, block (interfere) the communication between the walkie-talkie and the receiver.

After the shield is energized, the working power rises from zero to stable within 4 seconds.

Mobile phone signal jammers are mainly aimed at all kinds of examination rooms, schools, gas stations, churches, courts, libraries, conference cent...