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blocker Jamming Radio Signals

The signal jammer interference radio signal is mainly electromagnetic energy that enters the channel or system of the receiving device through direct coupling or indirect coupling. It can affect the reception of the received signal required for radio communication, resulting in performance degradation, quality deterioration, information error or loss, or even Interrupted communication.When radio interference signals are found on a daily basis, it is necessary to monitor the above signals, and then judge the type of the signal of the interference source.

Generally speaking, the fact that unwanted radio signals cause a decrease or damage to the reception quality of useful radio signals is called radio interference. Radio interference is generally divided into co-frequency interference, adjacent channel interference, out-of-band interference, intermodulation interference and blocking interference.

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


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


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