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4 Types of blocker Jamming

All kinds of radio waves traveling in space, the current in the telephone network extending in all directions, etc., can be used to express various messages to distant places, which are electrical signals. People know the message that the other party wants to express by receiving light, sound, and electrical signals.Refers to the signal that causes damage to the reception of the useful signal. Including co-channel interference, intermodulation interference, spurious interference, adjacent channel interference four forms.

When transmitted over long distances, the signal is degraded by attenuation, noise, and interference from other wires in the bundle. An analog signal can be amplified periodically, but if the signal is corrupted by noise, a distorted signal is amplified. Compared to signal jammer, digital signals are more reliable over long distances because they can be easily extracted from noise and retransmitted

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


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


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