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Showing posts from July, 2024

Prevent Applications from Disclosing My Whereabouts

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I recently read an article about location-based apps such as "Girls around Me". This app can share your location without notification. How can I prevent it? With the development of technology, some large companies now install cell phone signal jammers in the work area. This cell phone signal jammer completely separates interference, WiFi and phone functions, improving employees' work. Especially in large conference rooms, 3G/4G cell phone blocker can be used to prevent meetings from being interrupted and meeting information from being stolen, which not only improves efficiency but also improves the protection of some information. Don't let competitors or criminals benefit. In fact, the "Girls around Me" app uses Foursquare check-ins and Facebook data to make it easier for boys to track girls around, but the purpose of tracking is unclear. There is a slogan on the app's website that suggests how to use the "Girls around Me" app, which is all

The Utilization of Jamming Devices in Shared Environments

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Many people consider installing mobile jammers in schools, and the fact that many students use their phones during class has become a major problem in schools (especially high schools). Many educators struggle to understand how to deal with electronic devices in the classroom. Some educate students about their negative effects and encourage them to regulate their use. Others highlight the possible applications of mobile devices in the classroom. However, many simply try to ban everything. One principal in British Columbia took the school ban to the next level by installing a cell phone signal jammer . There was just one problem. The device was illegal in Canada. The principal ordered the Chinese device online, but some angry students soon found out and told him that he was breaking the law. So much for the idea. Now, he is still unseemly, but for some students, the use of mobile phones in school seems to be some kind of civil rights issue. Steve Gray, principal of Hardy Secondary Sc

Prisons have opted to stop using cellphone jamming technology

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Corrections has quietly removed all cellphone jammers from prisons. The technology, introduced in 2008-09 to prevent inmates using smuggled mobile phones, has cost more than $17 million. But signal blocker have not been in use since June after being found to interfere with new prison guard safety systems. When announcing their introduction, then Corrections Minister Phil Goff said cellphone blocking in New Zealand prisons was a major step forward that will stop prisoners committing further offences while behind bars. Stuff recently obtained details under the Official Information Act about the number of cellphones seized from the 18 prisons run by Corrections over the past three years. There were 626 cellphones and more than 750 cellphone-related items (such as batteries, chargers, SIM cards etc) found by Corrections staff between January 2023 and November this year. When asked why inmates would be smuggling cellphones when the prison’s had the mobile signal jammer that should r

How Can Customers Receive Jammers in a Safe Manner?

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Dear customers, are you still worried about the safety of traffic 5G mobile phone GPS jammers ? Here are some questions raised by our UK customers, and we have summarized them into FAQs to reply to everyone. 1. Please tell me - what will you write on the document to send the product to me in the UK? If it says jammer, it will go into a black hole and cannot be delivered. So what will you write on the document to pass customs smoothly, such as, Generally, we will write the product names such as signal amplifiers, routers, etc., but not the name of the signal jammer . 2. I need to know which products I will get - portable GPS car alarm, WiFi handheld portable 5G jammer and portable jammer detector? Please confirm that all products can be used in the UK? WIFI and GPS signals are universal worldwide; and the mobile phone signals in each country are different, so we will customize the corresponding frequency according to your receiving country. How to choose a 4G jammer for your loc

Verifying if a Cell Phone Jammer Is Being Employed

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Detecting the presence of a cell phone blocker can be challenging, but there are several signs and methods that can help you determine if one is being used: Signs of a Cell Phone Jammer Sudden Signal Loss: If your cell phone suddenly loses signal in an area where you normally have good reception, it could be an indication of a jammer. No Signal Across Multiple Devices: If multiple devices from different carriers lose signal simultaneously, it may suggest the presence of a jammer. Static or No Service: Interference in calls, such as static noise, dropped calls, or complete loss of service without a clear reason GPS Disruption: Difficulty in accessing GPS services, as jammers can also interfere with GPS signals. Methods to Detect a Jammer Check Signal Strength: Use your phone’s signal strength indicator to see if it drops suddenly without moving from your location. Use an RF Detector: Radio Frequency (RF) detectors can be used to identify the presence of strong interfer

Jammers Release Signals on the Corresponding Frequency as Cell Phone Signals

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Cell phones have become an essential part of modern life. Not necessary anymore, but necessary. Landline connections are old, there are more mobile phones than ever before, and that number continues to grow every day as new models and types continue to appear. It is estimated that there are 7.22 billion mobile phones and 7.19 billion people in the world. The large number of mobile phones and their widespread use means that there are many unwanted calls. There are various ways to deal with these unwanted calls. One of the most common methods is to put your phone on silent or vibrate. But this is where cell phone jammers come into play by far. They provide an effective barrier Blocking one caller at a time is annoying and time-consuming. However, you can use a cell phone jammer to block all incoming calls at the same time. This may seem like a complicated process to many people, but it is actually very simple. Cell phone jammers emit signals at the same frequency as cell phone signals.

Cell Phone Signal Disruptors Block Phone Signals

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With the rapid economic development of modern society, the phone has become a very important tool for us. A young woman in the United States conducted such an experiment: not using a mobile phone for a week. You might think that the girl will definitely go crazy in the end, but the result is surprising. This young person without a mobile phone lives a healthy and happy life. Because she has more time to study, accompany her family, and do things she has always wanted to do but has not done. There is a new tool in life, a mobile phone jammer , which can block all mobile phone signals around you. Specializing in radio signal jamming systems, we have developed improvised explosive devices and radio jammers that can be carried like backpacks, as well as jamming systems that can be thrown into closed spaces like grenades. Today, with the increase in people's needs, portable signal jammers have occupied the vast majority of all jammer markets. It is small in size, light in weight, and c

Wi-Fi Jammers Prevent Ring Cameras from Transmitting Signals

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An international burglary ring is suspected of using high-tech equipment to spy on expensive homes. A search of the suspects' vehicles revealed cameras disguised with leaves. Police say the burglary ring secretly installed hidden cameras outside homes so they could tell when the homeowners were away. In another incident, police arrested two men who they say threw Wi-Fi jammers from their cars. Wi-Fi signal jammer are used to disrupt home security systems like Ring cameras. The same person was arrested in both incidents. All of the men are from Colombia. They are suspected of traveling to the U.S. on what authorities call "burglary tourism." A couple has gone public with their security cameras saying they missed a burglar entering their home through a second-floor bedroom window because a Wi-Fi jammer disabled the security system. "We learned from detectives that they installed Wi-Fi jammers that cut off the signal to the Ring cameras," Mytien Goldberg t

Cell Phone Jammers Should Be Used in Jails and Prisons for Security Purposes

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Georgia's attorney general wants a federal agency to lift its ban on mobile signal jammer that bars state officials from using the devices to block contraband cell phones in jails and prisons. The Federal Communications Commission currently bars cell phone " signal blocker " within prisons and jails, a prohibition Georgia Attorney General Chris Carr's office said extends to state and local governments. Carr made his request to reconsider the prohibition in a Tuesday letter to FCC Chairwoman Jessica Rosenworcel. According to data included in the letter, contraband cell phones frequently make their way into jails and prisons, creating dangerous situations for inmates and correctional officers. Georgia officials confiscated 8,074 contraband cell phones in 2023 and 5,482 to date in 2024. "The easiest way to protect the public from the harms caused by contraband cell phones is to allow for the use of cell phone jamming technology in prisons and jails, but the FC

Is Your Smart Home Security in Danger?

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Wi-Fi blockers and jammers are a notable topic in news reports about burglars in 2024, but is your smart home security in jeopardy? Wi-Fi blocking sounds dangerous, but it's unlikely to be a threat to your home One of the big selling points of smart home security is that it can make your home safer and more convenient. But you may have seen reports in 2024 about burglars using new technology to block Wi-Fi signals, jamming valuable camera systems or video doorbell connections and rendering them useless. This news report discusses police warnings about break-ins using Wi-Fi jammers in Los Angeles and Glendale, and here's a scary-sounding story about jammer burglars hitting homes in Minneapolis. If you're worried, you're like many other homeowners who worry that their devices -- especially Wi-Fi cameras and sensors -- won't alert them in the presence of mobile Wi-Fi blockers, catch the thief, or even call a monitoring station for help. Wi-Fi jammers do exist, but

Using Wi-Fi Jammers to Compromise Home Security Systems

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Karyn Wall has lived in Lemon Grove for the past 20 years, and to her knowledge, her home has never been targeted by criminals. However, she recently learned how vulnerable her home is to would-be burglars. “My husband and I feel very secure, but I know we may need to do something about the house, the interior, the lighting, etc.,” Wall said. Shanah Clevenger is a crime prevention specialist with the San Diego County Sheriff’s Department who runs the free Lemon Grove Home Security Consultation Program. She’ll consider anything that can be done to bolster home security, no matter the budget. “Some of my suggestions are quick and easy and don’t cost a lot,” Clevenger said. “I just suggest: do what you can, or do it incrementally until you feel your home is secure.” That security measure includes protection against a relatively unknown type of wifi jammer . NBC 7 Responds spoke to cybersecurity expert Jim Stickley about these devices, who said that even though they are illegal in the

Steps to Carry out a Jamming Attack Against a 5g Signal

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To jam a 5G signal, an intelligent adversary can detect unencrypted synchronization signals to obtain the physical cell identity (PCI) and then launch a targeted cell phone jamming attack on the physical broadcast channel (PBCH). This intelligent jamming (PBCH-IJ) disrupts the master information block (MIB) decoding, leading to denial of services for users trying to access the PCI cell. The proposed method in the paper suggests detecting PBCH-IJ by analyzing the principal direction of PBCH demodulation reference signal space at the user side, as this direction is significantly impacted by PBCH-IJ under low mobility scenarios. Jamming attacks on 5G signals can be executed by exploiting various vulnerabilities inherent in the 5G network architecture. One common method involves targeting the synchronization signal blocks (SSBs) during the initial access phase, as these blocks are unencrypted. An intelligent adversary can detect these signals to obtain the full physical cell identity (P