› Signal Jammer Tech › 2022年08月2022年08月30日
Russian Military Jammer
Although the term may seem intuitive, there are many ways to interfere with radio signals. Generally speaking, jamming is the deliberate blocking or interference of radio signals. For decades, totalitarian regimes such as Russia and China have used wireless signal jammers to jam signals from other countries or transmitters that send messages they don't like. Signal jamming has a long military history, including jamming communications, jamming drones, and jamming GPS.
If we tune the transmitter (HackRF in this case) to the same frequency and modulation type, and have enough power, we can “drown out” the signal coming into the receiver. Some of the most common types of interference include sending random noise, random pulses, staircase tones, pulses, and sweeps.
The main limitation we have to focus on is signal strength. These only work when we are close to the receiver or can project a very strong signal. In addition, the Russian military signal jammer uses frequency hopping technology, the signal changes frequency at a very fast rate. In this case, we might use multiple transceivers and target multiple frequencies (we don't need to target all frequencies as the missing components would interfere with the signal sufficiently) or set the transmit bandwidth very wide to cover multiple frequencies.
Signal jamming has a long and storied history in military tactics. Although some military communications are encrypted (many Russian shortwave communications are unencrypted and can be intercepted), that doesn't stop us from jamming them. Essentially, jamming it prevents the signal from being picked up like a receiver. This could have important military implications.
Related Articles
The U.S. military is ready to develop a more powerful military jamming system
Military anti-jamming technology changes the course of electronic warfare hegemony
Ukrainian army uses US electronic jamming kit for training
If we tune the transmitter (HackRF in this case) to the same frequency and modulation type, and have enough power, we can “drown out” the signal coming into the receiver. Some of the most common types of interference include sending random noise, random pulses, staircase tones, pulses, and sweeps.
The main limitation we have to focus on is signal strength. These only work when we are close to the receiver or can project a very strong signal. In addition, the Russian military signal jammer uses frequency hopping technology, the signal changes frequency at a very fast rate. In this case, we might use multiple transceivers and target multiple frequencies (we don't need to target all frequencies as the missing components would interfere with the signal sufficiently) or set the transmit bandwidth very wide to cover multiple frequencies.
Signal jamming has a long and storied history in military tactics. Although some military communications are encrypted (many Russian shortwave communications are unencrypted and can be intercepted), that doesn't stop us from jamming them. Essentially, jamming it prevents the signal from being picked up like a receiver. This could have important military implications.
Related Articles
The U.S. military is ready to develop a more powerful military jamming system
Military anti-jamming technology changes the course of electronic warfare hegemony
Ukrainian army uses US electronic jamming kit for training
2022年08月29日
Addressing The Threat Of Jamming And Deception In Military Operations
As the threat of GPS/GNSS electronic warfare becomes more real and significant, military platforms need to be protected from mission failure. With the introduction of GPS/GNSS* military signal jammer, the demand for military jammers is growing in response to the anti-jamming and deception areas.
During military missions, whether fighter jets, helicopters, missiles, surface ships or armored vehicles, pilots and aircrews need to have ongoing, trusted data. But on the battlefield, electronic warfare has become a serious threat to mission success, as GPS/GNSS jammers are now particularly readily available. For less than 100 euros, anyone can buy a jammer on the internet with a performance level sufficient to deny civilian applications within a 50km radius.
Military jammers are highly effective in the most challenging military environments, capable of handling all types of threat scenarios from multiple low-cost jammers to high-power ground jammers, including multiple precision and airborne jammers.
By combining the signals from the unique antenna configuration into the antenna electronics unit, jammers or spoofers can be detected and their effects removed to maintain the continuity of GPS/GNSS information.
With an anti-jamming solution installed on their platform, military jammer end users can rely on their GPS/GNSS signal and successfully complete their mission.
In general, electronic stations are very important for the future development of every country. Military shields are a big investment in every country that will invest a lot of manpower, material and financial resources to develop continuously.
During military missions, whether fighter jets, helicopters, missiles, surface ships or armored vehicles, pilots and aircrews need to have ongoing, trusted data. But on the battlefield, electronic warfare has become a serious threat to mission success, as GPS/GNSS jammers are now particularly readily available. For less than 100 euros, anyone can buy a jammer on the internet with a performance level sufficient to deny civilian applications within a 50km radius.
Military jammers are highly effective in the most challenging military environments, capable of handling all types of threat scenarios from multiple low-cost jammers to high-power ground jammers, including multiple precision and airborne jammers.
By combining the signals from the unique antenna configuration into the antenna electronics unit, jammers or spoofers can be detected and their effects removed to maintain the continuity of GPS/GNSS information.
With an anti-jamming solution installed on their platform, military jammer end users can rely on their GPS/GNSS signal and successfully complete their mission.
In general, electronic stations are very important for the future development of every country. Military shields are a big investment in every country that will invest a lot of manpower, material and financial resources to develop continuously.
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2022年08月26日
Electronic Warfare Military Jamming Technology Can Be Programmed To Simulate Signals
Electronic warfare is a battle for control of the electromagnetic spectrum, which the military uses for situational awareness, communications, and weapon guidance. The race is growing in importance as more advanced technologies are deployed on the battlefield and troops try to reduce signatures to avoid detection.
According to reports from the California State Training Center. At the National Training Center, the US Army's Threat Systems Management Office (TSMO) team briefed senior leaders on the completion of a demonstration of electronic jamming technology developed at Armory's office in Red Rock, Alabama.
TSMO Electronics Engineer Curtis Leslie explains how to program a small direct injection jammer to simulate radio military signal jammer used in electronic detection and communication in battlefield training scenarios.
“We can put them in tactical vehicles — Humvees, 5-ton trucks,” Leslie said. "Our military jet jammer can be used to replace the outdoor jammer."
The jamming box can be programmed to generate different jamming signals when the vision signals sent by the remote trainer are required. It is installed between the antenna and the radio transceiver.
Leslie said injection jamming technology isn't new, but recent advances have allowed military jammers to be smaller and require less power, making them ideal for training centers that can get wireless from military licensing commissions, the Federal Communications Commission or FAA agencies in environments that are extremely crowded in the spectrum. it's hard.
The article is part of the Army's space training strategy to introduce advanced technology developed by TSMO.
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The US military is ready to develop a more powerful military jamming system
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According to reports from the California State Training Center. At the National Training Center, the US Army's Threat Systems Management Office (TSMO) team briefed senior leaders on the completion of a demonstration of electronic jamming technology developed at Armory's office in Red Rock, Alabama.
TSMO Electronics Engineer Curtis Leslie explains how to program a small direct injection jammer to simulate radio military signal jammer used in electronic detection and communication in battlefield training scenarios.
“We can put them in tactical vehicles — Humvees, 5-ton trucks,” Leslie said. "Our military jet jammer can be used to replace the outdoor jammer."
The jamming box can be programmed to generate different jamming signals when the vision signals sent by the remote trainer are required. It is installed between the antenna and the radio transceiver.
Leslie said injection jamming technology isn't new, but recent advances have allowed military jammers to be smaller and require less power, making them ideal for training centers that can get wireless from military licensing commissions, the Federal Communications Commission or FAA agencies in environments that are extremely crowded in the spectrum. it's hard.
The article is part of the Army's space training strategy to introduce advanced technology developed by TSMO.
Related articles
The US military is ready to develop a more powerful military jamming system
Military anti-jamming technology changes the course of electronic warfare hegemony
Ukrainian army uses US electronic jamming kit for training
2022年08月23日
Military signal jammer in Electronic Stations
The United States has traditionally received calls from Northrop Grumman's proposal to represent the development of early ecm applications to support electronic warfare.
The United States accompanied Northrop Grumman in announcing that it has submitted a bid for the Navy's next-generation jammer technology maturation stage. Titled an Operational Procurement Agreement, the Navy is applying to replace the current ALQ-99 jammer group.
The Navy's jamming technology is designed to address enemy threats in the modern electronic battlefield environment. ALQ-99 is a pre-digital technology that must be updated with next-generation capabilities.
“The first shot in combat is no longer bullets, but electrons,” Stephen Hogan, vice president of information operations and electronic attack at Northrop Grumman, said in a statement.
“We see how the Russians use electronic attacks in Georgia, and we see every day how terrorists operate, using purchased electronic equipment to harm our soldiers and pardoned civilians.”
In addition, the United Nations has also asked Iran to remove military signal jammer.
The United Nations Telecommunications Organization has declared that Iranian communications barriers to satellite communications are illegal. The International Telecommunication Union accused Iran of making all the blocks.
MTS has brought charges against Iran over a complaint from one of the satellite communications users, Eutelsat. Two applications were submitted to demonstrate that communications were blocked.The European Community condemns this behavior by the Iranian authorities with regard to online censorship.
The United States accompanied Northrop Grumman in announcing that it has submitted a bid for the Navy's next-generation jammer technology maturation stage. Titled an Operational Procurement Agreement, the Navy is applying to replace the current ALQ-99 jammer group.
The Navy's jamming technology is designed to address enemy threats in the modern electronic battlefield environment. ALQ-99 is a pre-digital technology that must be updated with next-generation capabilities.
“The first shot in combat is no longer bullets, but electrons,” Stephen Hogan, vice president of information operations and electronic attack at Northrop Grumman, said in a statement.
“We see how the Russians use electronic attacks in Georgia, and we see every day how terrorists operate, using purchased electronic equipment to harm our soldiers and pardoned civilians.”
In addition, the United Nations has also asked Iran to remove military signal jammer.
The United Nations Telecommunications Organization has declared that Iranian communications barriers to satellite communications are illegal. The International Telecommunication Union accused Iran of making all the blocks.
MTS has brought charges against Iran over a complaint from one of the satellite communications users, Eutelsat. Two applications were submitted to demonstrate that communications were blocked.The European Community condemns this behavior by the Iranian authorities with regard to online censorship.
2022年08月22日
The US military is ready to develop a more powerful military jamming system
The Navy Times reports that the U.S. Army has recently fulfilled four contracts involving the development of next-generation jamming electronic warfare systems. The new system is touted to replace the ALQ-99, a new military jamming system that acts like a shield to protect U.S. aircraft from enemy missiles. The U.S. Navy is currently planning to invest $4 billion in the development of this new generation of military signal jammer.
The ALQ-99 jamming system has been used by the U.S. Army for a range of missions, from the retired EF-111 Raven to the Navy and Marine Corps EA-6B Prowler and the Growler electronic warfare jet known as the EA-18G.
The new version of the military jammer is highly efficient at interception; it processes the signal automatically, and even jams the received signal of said radio frequency, while it is able to detect and locate the source of these signals.
Electronic warfare aircraft find ample use in today's combat operations. So, with the number of roadside bombs rising dramatically in the Taliban and Afghanistan, the U.S. military is now rushing to get the latest upgrade in jamming weapons, not just relying on radio and cell phone communications.
The best solution to this problem is to develop a better jamming system that is more efficient, stealthy, has a longer range, and can even hit targets protected by modern defense networks; the Pentagon, which needs to work now, is considering this .
Not only that, but the Air Force is also working on a new system to locate
ong>military GPS jammers from enemy satellites.
The ALQ-99 jamming system has been used by the U.S. Army for a range of missions, from the retired EF-111 Raven to the Navy and Marine Corps EA-6B Prowler and the Growler electronic warfare jet known as the EA-18G.
The new version of the military jammer is highly efficient at interception; it processes the signal automatically, and even jams the received signal of said radio frequency, while it is able to detect and locate the source of these signals.
Electronic warfare aircraft find ample use in today's combat operations. So, with the number of roadside bombs rising dramatically in the Taliban and Afghanistan, the U.S. military is now rushing to get the latest upgrade in jamming weapons, not just relying on radio and cell phone communications.
The best solution to this problem is to develop a better jamming system that is more efficient, stealthy, has a longer range, and can even hit targets protected by modern defense networks; the Pentagon, which needs to work now, is considering this .
Not only that, but the Air Force is also working on a new system to locate
ong>military GPS jammers from enemy satellites.
2022年08月20日
Can you buy a wifi jammer ?
Human dependence on the World Wide Web is growing rapidly. We are used to transmitting important information using generally accepted wireless communication standards, including WiFi, Bluetooth, 5G and other wireless frequencies. At the same time, without fear that it can easily be stolen. Radio channels that are used in wireless data transmission are easily hacked by hackers. To protect against this, a wifi jammer or "wifi stopper" was invented.
Even if you are not the owner of multi-million dollar corporation, the idea of providing someone else a full access to your personal information in social media is terrible. Having the required equipment, which you can now easily buy online, even a pupil can easily get any passwords, bank card numbers and other information.
The benefits of using signal jammers
The wifi signal blocker uses in its work a range of frequencies that can jam most of spy gadgets. In addition to data protection, the wireless wifi signal jammer is used in such cases:
Ensuring the operation of medical equipment. The radio signal may interfere with normal operation. Therefore, in hospitals, you can often find this kind of device;
Protection from competitors. For big companies, this has long been a necessary measure. Wifi jammers not only protect the communications over the internet, they also block radio frequencies which are used by spy equipment. For example, hidden security cameras, bugs etc;
Prohibition of access to the Internet while studying. Schools often use wife signal jammers to shut off students' network access during classes so they don't get distracted. Also, this technique contributes to the conduct of fair examinations and tests; - security. They are installed in the underground to protect against terrorism. Thanks to the wifi scrambler, the bomb cannot be activated remotely.
Wi-Fi frequency jammer is used in places where the operation of any data transmission devices is undesirable. It is easy to use and is capable of blocking Bluetooth, WiFi and 5G communication standards.
There are also some drones and UAVs (Unmanned Aerial Vehicles) controlled via 2.4G signals which might be also used to spy on you. Though most part of those robots are operated with the help of remote controls, so to be absolutely sure that no spy drone will be used for surveillance on your private meetings, business operations or any other events of your life, you need to use Remote Control Jammers.
Even if you are not the owner of multi-million dollar corporation, the idea of providing someone else a full access to your personal information in social media is terrible. Having the required equipment, which you can now easily buy online, even a pupil can easily get any passwords, bank card numbers and other information.
The benefits of using signal jammers
The wifi signal blocker uses in its work a range of frequencies that can jam most of spy gadgets. In addition to data protection, the wireless wifi signal jammer is used in such cases:
Ensuring the operation of medical equipment. The radio signal may interfere with normal operation. Therefore, in hospitals, you can often find this kind of device;
Protection from competitors. For big companies, this has long been a necessary measure. Wifi jammers not only protect the communications over the internet, they also block radio frequencies which are used by spy equipment. For example, hidden security cameras, bugs etc;
Prohibition of access to the Internet while studying. Schools often use wife signal jammers to shut off students' network access during classes so they don't get distracted. Also, this technique contributes to the conduct of fair examinations and tests; - security. They are installed in the underground to protect against terrorism. Thanks to the wifi scrambler, the bomb cannot be activated remotely.
Wi-Fi frequency jammer is used in places where the operation of any data transmission devices is undesirable. It is easy to use and is capable of blocking Bluetooth, WiFi and 5G communication standards.
There are also some drones and UAVs (Unmanned Aerial Vehicles) controlled via 2.4G signals which might be also used to spy on you. Though most part of those robots are operated with the help of remote controls, so to be absolutely sure that no spy drone will be used for surveillance on your private meetings, business operations or any other events of your life, you need to use Remote Control Jammers.
2022年08月19日
What is a Portable Wi-Fi Jammer?
In recent years, systems for jamming various signals have become very popular. This is necessary to ensure maximum digital security regardless of external conditions. In some cases, the spread of modern technology can be associated with many privacy threats. To protect yourself, you can use special wifi jammers for all current frequencies.
Wi-Fi Jammer feature
With the help of special jammers, you can protect your personal information from theft. No more spies can find confidential information on the Internet or hack you. A Wi-Fi blocker is a specific device that blocks connections on the appropriate frequencies. In this case, users cannot connect to Wi-Fi, 3G, 4G and GPRS networks.
There are various types of wifi signal jammer with different characteristics. For example, there are portable and stationary models. You can easily take your mobile device with you. This design is compact and easy to use. Stationary appliances are more powerful but bulky and therefore create certain difficulties in use.
Benefits of using
Portable Wi-Fi jammers have many beneficial properties. These devices can be used to solve a wide range of tasks:In polyclinics and other medical institutions. In this case, you can block third-party signals that interfere with the normal operation of the device.
Protect confidential business information.Ensuring the integrity of college exams. Also, teachers use distractors so that students are not distracted in class.
Protection by various state agencies.A Wi-Fi Jammer is a compact and versatile device that can be used to block different types of signals.
In the past, signal jammers were mostly used by companies that wanted to protect their company secrets or customer information. Data breaches caused by hackers can lead to serious public relations scandals.
Thus, jammers help these companies ensure that no one but authorized parties has access to this information. However, now all kinds of people need wifi jammers. Say you handle sensitive data and travel a lot.
When you set up your computer in a hotel or public place, you are vulnerable to a data breach. A wifi jammer helps ensure you can stay safe online when you're in a public place.
Wi-Fi Jammer feature
With the help of special jammers, you can protect your personal information from theft. No more spies can find confidential information on the Internet or hack you. A Wi-Fi blocker is a specific device that blocks connections on the appropriate frequencies. In this case, users cannot connect to Wi-Fi, 3G, 4G and GPRS networks.
There are various types of wifi signal jammer with different characteristics. For example, there are portable and stationary models. You can easily take your mobile device with you. This design is compact and easy to use. Stationary appliances are more powerful but bulky and therefore create certain difficulties in use.
Benefits of using
Portable Wi-Fi jammers have many beneficial properties. These devices can be used to solve a wide range of tasks:In polyclinics and other medical institutions. In this case, you can block third-party signals that interfere with the normal operation of the device.
Protect confidential business information.Ensuring the integrity of college exams. Also, teachers use distractors so that students are not distracted in class.
Protection by various state agencies.A Wi-Fi Jammer is a compact and versatile device that can be used to block different types of signals.
In the past, signal jammers were mostly used by companies that wanted to protect their company secrets or customer information. Data breaches caused by hackers can lead to serious public relations scandals.
Thus, jammers help these companies ensure that no one but authorized parties has access to this information. However, now all kinds of people need wifi jammers. Say you handle sensitive data and travel a lot.
When you set up your computer in a hotel or public place, you are vulnerable to a data breach. A wifi jammer helps ensure you can stay safe online when you're in a public place.
2022年08月16日
Military Uses Of Signal Jammers
At this point, you may be thinking, “I'm not a high-value military target or part of a warring drug cartel, so I shouldn't have any reason to care about signal jammers.” However, this is certainly not the case. Signal jammers are inexpensive, easy to use, and readily available online to those who know where to look. They can affect your daily life in several ways — veteran-owned surveillance gear manufacturer jammer mart posted some surprising demonstrations on Instagram to prove this point.
The first demo video clip shows how a portable military signal jammer can be tuned to the frequency of a car keyfob, blocking its signal at the flip of a switch. This means a thief could watch you park your car, turn on the jammer before you press the lock button on the fob, and prevent your car from locking. Unless you happened to notice the absence of a click or light flash from your vehicle, you'd probably assume it locked and walk away, allowing the criminal to steal any valuables in the car (or take the car itself).
Another video shows how a jammer can be used to interrupt a wireless doorbell camera by blocking its ability to communicate with the home's WiFi network. Unless the camera has a hardwired data connection — unlike most Ring, Blink, Wyze, and Nest doorbell cams — it will be unable to transmit footage to cloud servers or alert the homeowner that someone is at the door.
There are many other possible applications of wireless military signal jammers, from covertly blocking cell phone calls to disabling GPS tracking devices. These uses are illegal, but as we know, motivated criminals are unlikely to give a second thought to laws and FCC regulations.
The first demo video clip shows how a portable military signal jammer can be tuned to the frequency of a car keyfob, blocking its signal at the flip of a switch. This means a thief could watch you park your car, turn on the jammer before you press the lock button on the fob, and prevent your car from locking. Unless you happened to notice the absence of a click or light flash from your vehicle, you'd probably assume it locked and walk away, allowing the criminal to steal any valuables in the car (or take the car itself).
Another video shows how a jammer can be used to interrupt a wireless doorbell camera by blocking its ability to communicate with the home's WiFi network. Unless the camera has a hardwired data connection — unlike most Ring, Blink, Wyze, and Nest doorbell cams — it will be unable to transmit footage to cloud servers or alert the homeowner that someone is at the door.
There are many other possible applications of wireless military signal jammers, from covertly blocking cell phone calls to disabling GPS tracking devices. These uses are illegal, but as we know, motivated criminals are unlikely to give a second thought to laws and FCC regulations.
2022年08月15日
How military signal jammer helps the military？
Electromagnetic radiation threatens device functionality because it impairs the device's ability to transmit signals without interference from surrounding electronic interference. As devices become more commonplace, so does the potential for electromagnetic interference, or EMI. Preventing EMI in commercial equipment is important, but the need to protect military equipment is critical. Electronic warfare is a feature of modern warfare, and while this approach is less visible than others, its implications are profound. If military signals are compromised by EMI military signal jammer, it can lead to loss of life, wasted missions, and even diplomatic unrest. Here's how EMI military signal jammer can help the military and protect equipment from tanks to drones.
Keep communication channels open
EMI military jammer is an important part of keeping military communication lines open. As devices evolve, their frequency tends to increase; this means that the risk of interference increases. To address interference risks, military networks must be isolated from foreign military and civilian networks through EMI military signal jammer and other complementary methods. This benefits teams by keeping unwanted communication recipients out while protecting the integrity of their team's signal. This enables Soldiers to trust the intelligence they receive, speeding up their progress by eliminating jamming signals and preventing the enemy from using it against them or other non-participating parties.
Sophisticated electronic hold function
Communications are important, but EMI military signal jammers also helps military equipment function beyond communications-based uses. Tanks and other large vehicles may seem indestructible, but EMI through certain weak points can damage their internal components, compromising overall functionality. Small devices, such as drones, allow so much to do over long distances, but are also hindered by EMI. Interference affects more than just gears and vehicles - EMI can suppress even large industrial control panels.
This is why barriers made exclusively with metal EMI shielding coatings and proper enclosures are necessary for military use. This approach provides consistent layering of EMI resistant materials that prevent communication errors and failures, saving the lives of soldiers and civilians.
Keep communication channels open
EMI military jammer is an important part of keeping military communication lines open. As devices evolve, their frequency tends to increase; this means that the risk of interference increases. To address interference risks, military networks must be isolated from foreign military and civilian networks through EMI military signal jammer and other complementary methods. This benefits teams by keeping unwanted communication recipients out while protecting the integrity of their team's signal. This enables Soldiers to trust the intelligence they receive, speeding up their progress by eliminating jamming signals and preventing the enemy from using it against them or other non-participating parties.
Sophisticated electronic hold function
Communications are important, but EMI military signal jammers also helps military equipment function beyond communications-based uses. Tanks and other large vehicles may seem indestructible, but EMI through certain weak points can damage their internal components, compromising overall functionality. Small devices, such as drones, allow so much to do over long distances, but are also hindered by EMI. Interference affects more than just gears and vehicles - EMI can suppress even large industrial control panels.
This is why barriers made exclusively with metal EMI shielding coatings and proper enclosures are necessary for military use. This approach provides consistent layering of EMI resistant materials that prevent communication errors and failures, saving the lives of soldiers and civilians.
2022年08月11日
Wi-Fi Scramblers Give Us Plenty Of Time
With the rapid development of smart phones, many people have it. It has the same intellectual and functional diversity as an adolescent. They can use their smartphones to play games, watch videos, and browse novels, which are very important to their spare time. They are students after all, and students should focus on their studies and not their phones. So many parents worry about how to get their children to put down the phone and go back to school, which is a common concern. Here I suggest that you can use a wifi jammer to cut off your phone's network so that it doesn't work.
I don't think as a network job we should install wireless wifi signal jammer ourselves. Let's go to a coffee shop and have a cup of coffee to relax and do what we like, and the wifi network is what we must use in the network environment. What's the fun in going to a coffee shop if you use a WiFi jammer? You can also make your own coffee at home. I think cafes, theaters, concert halls should install signal shielding devices, and where should they be installed. The device can provide people with a good rest and work environment. A wireless internet scrambler is installed.
I want to buy my own wifi scrambler, it will interfere with the video signal, the neighbors watching TV is too loud, when I rest, it always bothers me, I am very angry, communicate with them, they don't listen to your advice, I think Should I do something because I can get a device here that can interfere with all kinds of cell phone signals and video interference? I desperately need such equipment to ensure rest.
I don't think as a network job we should install wireless wifi signal jammer ourselves. Let's go to a coffee shop and have a cup of coffee to relax and do what we like, and the wifi network is what we must use in the network environment. What's the fun in going to a coffee shop if you use a WiFi jammer? You can also make your own coffee at home. I think cafes, theaters, concert halls should install signal shielding devices, and where should they be installed. The device can provide people with a good rest and work environment. A wireless internet scrambler is installed.
I want to buy my own wifi scrambler, it will interfere with the video signal, the neighbors watching TV is too loud, when I rest, it always bothers me, I am very angry, communicate with them, they don't listen to your advice, I think Should I do something because I can get a device here that can interfere with all kinds of cell phone signals and video interference? I desperately need such equipment to ensure rest.
