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Tag search results for: "jammer"
dojammer
Many customers hope that the 5G signal jammer they purchase has the function of penetrating walls. They even hope that the 5G signal jammer can directly penetrate the interference signal through two walls and still maintain sufficient strength. So, can such expectations be realized?This requires distinguishing the material of the wall. If the interference signal of the 5G signal blocker encounters a reinforced concrete wall in the transmission path, the interference signal will be almost completely attenuated and reflected.... more
dojammer Sep 27 · Tags: jammer
dojammer
It is a key device that has been frequently used in major examination rooms recently. I believe many people should know the true function of this device. It is a key device that has been vigorously promoted in school examinations and can effectively eliminate and prevent candidates from cheating. , that is today’s protagonist: cell phone signal jammer.There are now less than 100 days left before the college entrance examination. All candidates taking the college entrance examination are concentrating on preparing for the college entr... more
dojammer Sep 25 · Tags: jammer
YIFALIU
Wide application areasCell phone jammers are mainly used in examination rooms, but are not limited to examination rooms. They can also be used in prisons, gas stations, oil depots, liquefied gas stations, detention centers, interrogation rooms, courts, labor reform teams, conference rooms, theaters, churches, libraries, and schools. It will only be used in dormitories, special security and confidentiality occasions (confidential offices, negotiation rooms, mobile vehicles, mobile political and business dignitaries guarding sites... more
YIFALIU Sep 22 · Tags: jammer
dojammer
1. What is a GPS jammer?The GPS signal jamming system is designed to suppress the signals of the global satellite navigation GPS system in the 1500-1600MHz range. Jammers make it impossible for GPS satellites to monitor the location of cars and all vehicles via GPS, and gps jammer devices will not interfere with cell phones and other devices. The GPS jammer range can be from 5 to 15 meters, which is enough for cars and buses as the trackers are usually installed in the cab inside the car. After initiating the connection via... more
dojammer Sep 22 · Tags: jammer
YIFALIU
There are many names for 5G signal jammers, such as signal jammer, mobile phone shielding, signal interference, data signal influencer, data signal shielding, mobile communication technology signal interference, data signal shielding, cell phone signal jammer, signal shielding, and wireless communication signal shielding.For the upper and lower security channels of the mobile phone system, technologies such as memory overclocking, frequency division, and frequency hopping filtering are used to analyze the necessary shielding fre... more
YIFALIU Sep 21 · Tags: jammer
dojammer
Instructions for use of 5G high-power cell phone signal blocker system:1. For the HA-1000H high-power cell phone blocker, first confirm the location of the communication base station, find a high point and fix the output port of the machine downward (to prevent rain), and fix the antenna on the top or sides of the machine with poles. Turn your back or side to the base station and let the front face toward the area that needs shielding (the antenna emission angle is 65° horizontally and 13° vertically). The antenna must not face ... more
dojammer Sep 20 · Tags: jammer
YIFALIU
The heat dissipation types of high-power cell phone signal jammers are divided into the following two types:1. Natural heat dissipationHigh-power cell phone signal jammers that use natural heat dissipation generally use fully sealed heat dissipation shells. The host is the shell, and the shell is the radiator. The switching power supply, radio frequency module and other components used by all devices are all integrated inside the device. The shell material is generally They are all aluminum and are die-cast with different m... more
YIFALIU Sep 18 · Tags: jammer
dojammer
Recently, we have often received inquiries from some customers who want to buy a suitable wireless signal jammer from us. The purpose is also very clear, which is to block surveillance cameras. Usually when we encounter such a demand, we will directly refuse it. . So the question is, can’t the wireless signal jammer we produce block surveillance cameras? Here, as a professional manufacturer of wireless signal jammers, we first make a statement: If you want to use the wireless signal jammers produced by our company for... more
dojammer Sep 14 · Tags: jammer
dojammer
Customers in the purchase of cell phone signal jammer equipment, generally as long as no special instructions, the manufacturer's default factory band, is not included in the GPS positioning signal shielding module, but if the customer in the order of shielding equipment, very clearly put forward the requirements: the need to shield all the mobile phone signal lamps at the same time, can be able to shield the GPS positioning signals, then the manufacturer can be targeted to GPS frequency band shielding module to be added to... more
dojammer Sep 13 · Tags: jammer
YIFALIU
The vast majority of common wireless signal jammers on the market are not with power adjustment, such as for the examination room signal shielding or for the venue signal shielding, but there will still be a part of the customer base, they are hoping that the shielding equipment has the function of power adjustment. Why is there such a demand? This is the customer does not want to interfere with the signal range is too large, thus affecting or interfering with other unrelated areas, then, with the power to adjust the wirele... more
YIFALIU Sep 12 · Tags: jammer
dojammer
Wireless walkie-talkie signal coverage systemThis design is designed according to the full range of indoor and outdoor coverage of the building. Specifically, it includes: the upper floors of the building, the air defense layer, the outdoor park and the beach area; covering public areas, guest room floors, elevator halls, stairwells, machine rooms, etc. If necessary , our company will organize personnel to carry instruments to carry out field tests of this project to ensure that there are no blind spots in the coverage area.Combined ... more
dojammer Mar 30 · Tags: jammer
YIFALIU
As the name suggests, it means shielding wireless signals. The English name of the jammer is JAMMER, which is usually called signal counter equipment and signal sealing control system in China.Signal suppressor, signal blocker, signal masker, signal blocker, signal driver, etc. are called differently in each place, and the jammer is called according to function orThe use is divided into radio frequency signal jammer, mobile phone signal jammer, GPS Jammer, wifi signal jammer, UHF/VHF explosion-proof jammer, recordingJammers... more
YIFALIU Dec 18 '22 · Tags: jammer
YIFALIU
Mobile phone communication is an open electronic communication system. It must complete the transmission task through communication satellites. As long as there is a corresponding receiving device, it can intercept any time, any place, and anyone's call information. Mobile phones can also leak secrets in standby mode, because in standby mode, mobile phones also maintain uninterrupted signal exchange with the communication network, generating electromagnetic spectrum, which is easy to be identified, monitored and tracked. Intelligence... more
YIFALIU Dec 9 '22 · Tags: jammer
dojammer
The advancement of science and technology has added great convenience to everyone's daily life, especially in the past two years, communication technology has advanced rapidly, and many data wifi jammer manufacturers are updating their equipment for the development of the times. In order to be able to integrate into the requirements of the new business model, high-tech can improve the innovative technology prevention and control business capabilities of the detention center, improve the innovative technology management leve... more
dojammer Nov 17 '22 · Tags: jammer
dojammer
The remote wifi jammer with directional antenna is the most suitable device for indoor or outdoor use in a large area (theater, cinema, auditorium, meeting room). Due to the extended range (up to 150-200 meters), these devices can effectively inhibit the signal transmission and reception of various digital devices (from mobile phones to hidden cameras or microphones), thus preventing the control of gadgets with remote control functions. . The main function of a wifi jammer will increase power when used with a directional an... more
dojammer Nov 6 '22 · Tags: jammer
dojammer
Nowadays, more and more people are striving for a signal blocker that can simultaneously cut off signals of different frequency bands according to their needs. In order to meet people's needs, more and more people use adjustable knobs to design and combine different interference frequency bands in wave jammers to achieve their goals. Here: "GSM 3G 4G GPS WIFI UHF VHF Adjustable Signal Jammer (EU Version)" The signal shown here has this function, so you can easily view the details of this example below.Today we introduce you... more
dojammer Sep 22 '22 · Tags: jammer
dojammer
The most effective signal jammers for sale can be small portable devices that fit in your pocket or backpack. It looks like a portable power supply that can block any signal up to 30 meters away. You can also get a wall-mounted antenna with a shielding area of ​​100-200 square meters, which can shield WiFi signals and triple-play mobile phone signals. This compact and effective device features a built-in efficient heatsink and a waterproof ABS case.A signal jammer is a must-have accessory for any tech enthusiast. These devi... more
dojammer Sep 3 '22 · Tags: jammer