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Signal blocker Jamming Meaning

The reason why the jamming device can make the electronic car key malfunction is mainly to use the electromagnetic wave of the same frequency or similar frequency that it emits to interfere. "Fortunately, this kind of interference can generally only cause the operation to be invalid, and no other operations will be performed, so the car owner does not need to worry too much.

This kind of interference is caused by the superposition of electromagnetic waves from different emission sources. The signal jammer causes the signal to be disordered, so that the receiving device cannot identify the useful signal and cannot follow the command of the remote control. However, since the interference does not know the meaning of the signal, the transmitted signal cannot "issue an effective command" to the car.Although car jammers come in a variety of shapes, and some jammers are not easy to be noticed even if they are held in the hand, and they are more concealed, but car owners should not panic too much, because this kind of jammer only prevents the car from being locked. Can't get the code for the car key.

Newest 24 Band Portable Jammer Blocks All Cell Phones 5G 4G 3G 2G

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World First 24 Antennas all-in-one design wireless signal Jammer with nylon cover for portable, jamming all types of Android phones, Tablets, Smart Phones, iPhones, Win phones etc. that use 2G, 3G, 4G 5G, and CDMA 450Mhz


10 Antenna Handheld Adjustable Cell Phone Signal Jammer

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Hand held signal shielding device is our factory using advanced technology, for the contiuous developmentof communication standards, according to the actual situation of domestic and international wireless ommunication to develop


Desktop 12 Bands Phone Signal Jamming Multiple Frequencie

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The jammers are customized according to the frequency bands of different countries, please confirm that the purchase country and the actual use country are consistent. Otherwise it can not be used.Please read the jammer function before purchasin


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