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Portable Cell Phone Jammer 8 Band Phone Jammer

Mobile Cell Phone Jammer Circuit

Perfectjammer 2021-08-26

Compared with the mobile phone jammer, the appearance is not particularly important, but the structure of the setting is different. From the appearance, Mobile Cell Phone Jammer Circuit can be divided into external antennas and internal antennas. Because the antennas are externally installed, the external antennas occupies a larger space compared to the built-in antennas. Because of the outwardly extending antennas, The external antenna is more stable. The general power range is 3W-480W. Mobile jammers can generally be divided into low-power, medium-power, and high-power. The power is between 3W-100W. It is generally not recommended to usemobile jammers, which will seriously interfere with the base station signal transmission. , cell phone jammer There is also a certain degree of radiation to the human body. For exams, schools, judicial exams, etc., it is recommended to recommend some medium-powered machines.

Within a certain frequency range, the mobile phone and the base station are connected by radio waves, and data and sound transmission are completed with a certain baud rate and modulation method. Mobile Cell Phone Jammer Circuit Communication principle, the jammer scans from the low end frequency of the forward channel to the high end at a certain speed during the working process. This scanning speed can cause garbled interference in the message signal received by the mobile phone, and 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. The mobile phone is manifested as a search network, no signal, no service system and other phenomena. If you dial the phone from the unshielded area to the shielded area, you will often walk into the shielded area for a considerable distance before the mobile phone is completely shielded. This is because once the mobile phone is dialed, the mobile phone itself has the ability to resist interference. This kind of anti-interference will make the mobile phone adjust its transmitting power to ensure the normal call this time. Therefore, it is generally not recommended to perform dynamic testing in the call state, but to perform static testing at various points.

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