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Signal blocker Jamming Communication

Interference generally consists of the following two types, crosstalk: the coupling phenomenon between two signal lines in electronics.For example, an electrical signal can represent different messages through changes in amplitude, frequency, and phase. Interference is the impairment of the reception of useful signals.In the field of communications, a signal is a physical quantity that represents a message.When the signal is strong, the receiving device itself produces intermodulation distortion.

Jamming signal communication, generally refers to damage to the reception of useful signals. Interference can be divided into two categories, one is caused by equipment and feeder systems; the other is other interference, which can be considered as external interference.

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

Portable Jammer

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


Desktop 12 Bands Phone Signal Jamming Multiple Frequencie

Multiple Frequencies Jamming

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


10 Antenna Handheld Adjustable Cell Phone Signal Jammer

10 Antenna Signal Jammer

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


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