I strongly suspect that a business I frequent is interfering with cell phone signals. I have never been able to make any kind of call while there, and even text messages often fail to send. This is not related to my phone, as I have had the same problem with my last phone on another carrier and my wife's phone (also on Verizon).

My phone thinks the signal is great (3 or 4 bars), but can't even check voicemail. The problem persists - but goes away when I leave the building - until I'm about 10 feet from the front of the location. I suspect the building is made of lead or some other material, because I can pick up Wi-Fi signals (from Comcast, etc.) when I'm inside. I know we're talking about different frequencies, but I think most building materials that block RF do so somewhat indiscriminately.signal jammer

Anyway, I wonder if Verizon could come check it out. If they don't block it, I might have to try a new carrier.

I know how important it is to be able to rely on your service.

Does the problem occur in a different location?

You mentioned that service resumed after leaving the building. Since our cell towers are located outdoors, there are many variables that can affect signal penetration, such as foliage and building materials. This is different from WiFi, which uses a router that allows the signal to be wirelessly accessible inside a building. We do offer network extenders, which can utilize your existing high-speed internet connection to enhance indoor service.cell phone jammer

Comcast WiFi is an outdoor public hotspot - not inside a building at all. Also, I have received strong signals from many off-site WiFi hotspots. I know this is not a foolproof test, but it at least shows that some RF can penetrate buildings very easily. Also, (while I also know this is not perfect) my cell phone reports a strong signal. However, as I said, I cannot even have a poor quality phone conversation. Also, it seems to affect a lot of people, as evidenced by how many people are out making or receiving calls. It only happens at this location. I didn't actually say it happens when I leave the building, I said it happens when I leave the building.

Radio frequency jamming is the best protection against drones. To work, it must broadcast noise on the same frequency band that enemy drones use to communicate. Of course, drone operators are constantly changing the frequencies they use, and jammers must also keep changing to remain effective. The alternative is to jam all frequencies all the time?

Typically, a signal jammers can only handle one frequency band at a time. For example, the popular Breakwater ("Volnorez") Russian jammer, which is about the size of a dinner plate and attaches to the outside of a tank with magnets, can be set to block one of twenty different frequency ranges. Breakwater can shoot down any drone using that specific frequency from two hundred meters away, making the vehicle immune to FPV attacks on that frequency band.

But if it's the wrong frequency, a drone will fly right over and destroy your tank. This means you have to know which frequency the enemy is currently using, or put twenty different jammers on your vehicle.

Ukrainian electronic warfare expert Sergii Flash led an attack column last week to describe the idea of ​​Russia's new "Frankentank." Like most Russian tanks, it has a roof shield, but on top of that is a wooden pallet piled high with electronic warfare gear.

“It’s like something out of Mad Max,” Flash wrote on his Telegram channel. “The Russians have built a massive structure on a pallet with everything they have. There are three 800/900/2.4/5.8 patch antenna panels around the circle, and blocks of 700-1000 bands added to all of them. From above, on some wooden boards, in a circle. All tied up with ropes.”

The drone jammer only works if there’s a power source, though. While some modern Russian tanks have auxiliary power units, many don’t. That means when the tank’s engine is shut off, the jammer stops working. But the Russians have thought of that.

“Also installed generators and batteries,” Flash said.

The Ukrainian reconnaissance drone spotted the Russian armored column, and the FPV attack drone flew out to attack. But the jammer worked.

"Our FPVs are dropping like flies on all frequencies," Flash said.

Reports say four FPVs were lost before a fifth broke through and destroyed the giant jammer tank.

"It was easier for the remaining forces [to eliminate them]," Flash said.

MORGAN HILL, Calif. - Authorities have located and disabled an electronic signal-jamming device in Morgan Hill.

The Santa Clara County Emergency Communications Department on Thursday reported that the signal was "disrupting, impeding, and interfering with public safety transmissions."

Officials had noticed interference on a critical communication tower for the past six months, said Morgan Hill police Capt .Mario Ramirez.

The problems intensified over the past week, with neighbors reporting disruptions with their Wi-Fi, satellite and cell-phone service, Ramirez said.

Authorities pinpointed the device to a home near Llagas Road and Christephe Drive, by tracking its radio frequency. Police contacted the resident through a Ring doorbell but the resident wasn't home.

Investigators got a search warrant and forced their way inside

"Upon making entry into the house, officers lost complete radio communication altogether," Ramirez said.

Technicians found two signal jammers and disabled them.

Immediately after that happened, officers radios and cell phones began working again, Ramirez said.

No arrests have been made, and police are analyzing the devices to determine whether the resident could face charges of preventing others from calling 911 or disrupting public safety radio frequencies.

A motive for the jamming isn't known

"I can't imagine a Joe Blow citizen having that equipment to be used for anything other than malicious intent," said Morgan Hill Mayor Rich Constantine, a retired San Jose firefighter .

During a search associated with a suspected burglary, Vanderburgh officers located a signal jammer.

The Vanderburgh County Sheriff's Office officers uncovered a sophisticated signal jammer while conducting a search, representing the inaugural occasion on which the sheriff's office has encountered such a device.

According to Sheriff Robinson, this device can deactivate Wi-Fi cameras, doorbells, and security systems that rely on radio sensors. Its functionality extends to shutting down all related devices. The primary reason for acquiring such a device is to facilitate wrongdoing and malevolent actions.

According to officials, possessing a signal jammers is not illegal; however, utilizing such a device is considered a federal crime.

According to Sheriff Robinson, the next phase is to engage with lawmakers. He noted, "It is unusual that Indiana does not have a law that directly pertains to the jamming of communications. I think this issue should be tackled, and I will partner with state legislators to close this gap."

According to the sheriff's office, the matter is linked to a reported daytime burglary that took place near the village of Cambridge.

Authorities believe that two men employed sophisticated equipment to carry out an attack on a house.

According to police, a couple returned to their home on Sunday only to find two unidentified men present within.

According to authorities, the two suspects made their getaway in a gray Jeep.

Thanks to a FLOCK camera obtained by the Village of Cambridge via the Sheriff's Office, deputies were positioned advantageously to execute the arrests.

Following a report of a crime, deputies from the Vanderburgh County Sheriff's Office halted Jaime Riveras, a Chilean citizen, on Highway 41.

According to Sheriff Robinson, Riveras reported that he was traveling from St. Louis to Florida and did not pause in Evansville.

According to Sheriff Noah Robinson, a search warrant was secured for all items located in the vehicle, in addition to the witness accounts. This search revealed two cell phones inside the vehicle, which provided GPS data confirming that the suspect vehicle was at Riveras' residence, situated within the premises that had been burglarized.

Riveras has been charged with multiple offenses, one of which involves the alleged use of a signal gps jammer to obstruct crime reports.

The VCSO maintains that this investigation remains active and is currently pursuing leads related to Rivera's associates.

This announcement is issued by the office of Attorney General Chris Carr.

Attorney General Chris Carr is calling on the Federal Communications Commission (FCC) to promptly authorize the deployment of cell phone jammers within state prisons and local jails. The FCC currently maintains a ban on the use of cell phone signal jammers, a restriction that applies to both state and local authorities. However, contraband cell phones are being utilized in correctional facilities nationwide to orchestrate violent acts and other criminal endeavors, thereby creating a substantial safety threat to correctional staff, visitors, inmates, and the general public.

Carr stated that the most effective method to safeguard the public from the threats posed by contraband cell phones is to permit the implementation of cell phone jamming technology within correctional facilities. However, he noted that the FCC persistently obstructs these initiatives. He emphasized that this antiquated guidance restricts essential law enforcement resources, endangers correctional officers, and facilitates the growth of criminal organizations both inside and outside of prisons. He reaffirmed their dedication to combating violent crime in all its forms, urging the federal government to eliminate this significant obstacle to public safety.

In the state of Georgia, authorities seized 8,074 contraband cell phones in 2023, with an additional 5,482 confiscated in 2024 to date. Recently, a prominent figure from the infamous "Yves Saint Laurent Squad" gang, currently incarcerated, utilized a contraband cell phone to orchestrate the stabbing of an 88-year-old veteran from Georgia. Furthermore, a gang leader from North Carolina managed to arrange the kidnapping of a prosecutor's father using a cell phone while imprisoned. In California, prison gangs exploit contraband cell phones to facilitate murders and drug trafficking operations within the correctional facilities.

“There are hundreds of examples across the country of how contraband cell phones in the hands of inmates have been used as lethal weapons and enabled them to continue their criminal activities. We are outraged that these individuals are continuing these activities and endangering the public,” said Georgia Department of Corrections Commissioner Tyrone Oliver. “As attempts to infiltrate our prisons with contraband cell phones continue to evolve, access to jamming technology is critical to our ability to combat these attempts. We thank Attorney General Carr for his support of our ongoing commitment to public safety and safe prison operations.”

In his correspondence, Carr observed that the Federal Communications Commission's policy is grounded in legislation established in the early 1990s, prior to the time when incarcerated individuals started utilizing illicit cell phones to organize and partake in unlawful and hazardous actions.

Carr also emphasized that 47 USC § 333 does not prevent the FCC from changing its stance to permit state agencies to utilize cell phone jammers within correctional facilities. Moreover, the U.S. Bureau of Prisons has acknowledged the potential benefits of cell phone jammers and has been authorized to deploy them in multiple federal prisons, including at least one situated in Georgia.

Is there a device or method to call 911 even if cell phone jammers are being used in the area?

In the past, my abuser would use a cell phone jammer when he broke into my house, preventing me from calling the police right away. I tried to call 911, but the call never went through.

I eventually reported him to the police. I'm worried he'll show up again. How do I make sure I can call 911 no matter what? Will a wearable panic button still work with a cell phone jammer? What about a satellite communicator for hiking/backpacking?

Realistically, the FCC will only start investigating once the problem is frequently reported because they don't have staff around the country to do this kind of signals intelligence. If the OP lived in or near a major city, they would have more success because the FCC offices in major cities do have equipment to locate pirate signals and jammers, but again, I don't think they would respond to any single incident because they would never be able to get there in time to get the information.

There's a guy in my area who puts a jammer in his car every day when he drives on a busy interstate during rush hour because he thinks it will stop people from using their phones and make his driving safer. All the cell phone carriers reported it, but it took the FCC 3 years to actually investigate and catch him.

In areas with cell phone signal jammers, it can be very difficult to call 911 because the main function of a signal jammer is to block the network signal of the mobile phone.

However, there are several strategies and techniques that may help when calling 911 in an emergency:

Landline Phone: Using a traditional landline phone will not be affected by cell phone signal jammers and can directly dial 911. Although landline phones are not widely available, they may be available in some buildings (such as hotels or office buildings).

Satellite Phone: Satellite phones do not rely on traditional cellular networks and are therefore not affected by ground-based signal jammers. These devices can connect to satellites in extreme environments to send emergency messages. However, satellite phones are more expensive and require direct access to the sky, so they may not work well inside buildings.

Wi-Fi Network Calling: If the Wi-Fi network in the area is not interfered with, using Wi-Fi calling features (such as some smartphones and VoIP apps) may be able to bypass interference and dial 911.

A drone jammer (also known as a drone jammer gun) is a device used to bring drones to the ground.

It works by interfering with the radio signals that control drones, grounding drones by blocking their communication systems.

But with the increase in the number of drones in the air, there is now a big challenge - how to keep drones away from no-fly zones?

The FAA has been working hard to ensure that drone pilots and the general public adapt to the evolutionary stage we are currently experiencing.

However, despite the best efforts, the process of drones entering commercial airspace has not been smooth sailing, and drone incidents seem to be happening more and more frequently at sporting events, airports and other places.

How does a drone jammer work?

Drone jammers work by sending electromagnetic noise at radio frequencies, with the goal of covering the same radio and GPS signals that drones use when operating.

The frequencies of drone wifi jammers are usually specified as 2.4Ghz or 5.8Ghz, which are public frequencies not allocated to manned aircraft, public broadcasts or mobile phone signals.

When a drone is jammed with a jammer signal, the most common reaction is for the drone to return to its point of origin (unless the GPS is also jammed), which gives the jammer operator the option to track the drone and find the pilot. In some cases, a drone jammer may cause the drone to land on the scene so that an investigation can be conducted.

Types of Drone Jammers

Drone jammers come in many forms, each designed to meet specific needs and environments. Understanding the different types of drone jammers is essential to choosing the right jammer for your security needs.

Portable Jammers

Features. Portable drone jammers are compact and easy to carry, making them ideal for personal use or rapid deployment in the field. They typically have limited range, but are sufficient to jam a drone's communications at close range.

Availability. These jammers are easy to use and usually operate with the push of a button. They are favored by security personnel and individuals who need a quick solution to prevent drone intrusion during events or in sensitive areas.

Fixed Jammers

Features. Fixed jammers are more rugged, have higher output power, and can cover larger areas. They are permanently installed in key locations such as government buildings, airports, and prisons.

Effectiveness. Fixed jammers provide a persistent and reliable barrier against drone intrusions due to their fixed location and enhanced capabilities. They can jam multiple frequencies simultaneously, ensuring broader protection.

Tactical Jammers

Features. Designed for military and law enforcement use, tactical jammers are rugged and built to withstand a variety of environments. They often have advanced targeting capabilities to selectively jam specific drones without affecting other communications.

Used in Military and Law Enforcement. Tactical jammers play a vital role in national defense strategy, protecting troops from drone surveillance or attack. They are also used in critical operations to ensure drones do not compromise mission security.

Although this question might seem exceptionally important, the answer is quite simple and varies across different countries.

To put it succinctly, cell phone jammers are deemed illegal in most countries, while in a few others, there are no clear regulations or official statements from the government concerning their use.

We should consider a number of significant countries that ban the use of cell phone signal jammers by consumers, permitting their use exclusively by military entities.

Are Cell Phone Signal Jammers Illegal in the United States?

Jamming cell phone signals is illegal in the United States and is regarded as property theft according to the Communications Act of 1934. Individuals wishing to access more information can click on the following link: Communications Act.

The FCC (Federal Communications Commission) strictly prohibits the operation of jamming devices that interfere with licensed radio networks, which encompass cellular frequencies, PCS, GPS, and police radar.

According to the Federal Communications Commission (FCC), the use of cell phone signal jammers can hinder individuals from reaching emergency numbers such as 911, which poses a considerable danger to public safety. Federal law strictly forbids the operation of these jammers, and there are no exceptions to this rule. This includes all organizations, whether they are businesses, educational institutions, or other private sector entities.

Consumers are forbidden from using cell phone jammers in their homes. Local law enforcement may receive exceptions, but this requires strict approval from federal law enforcement agencies. In the United States, the use of cell phone jammers can lead to significant fines, which may reach thousands of dollars.

A well-known incident features a man in Florida who incurred significant penalties for utilizing a cell phone jammer while on public transportation, as he could no longer tolerate the noise and aimed to obstruct the signals of other riders.

The possession and utilization of a cell phone jammer can potentially result in incarceration. While this poses a serious concern, using the device privately within your home or automobile is likely to keep you out of legal trouble.

So what about other countries?

Most countries follow the same rule: fines and criminal sanctions for those who break the law on using cell phone jammers.

Australia

The ACMA (Australian Communications and Media Authority) has made it clear that it is illegal to use, supply or possess a mobile phone or GPS jammer or booster in Australia.

The use, supply or possession of mobile phone jammers is prohibited because it "facilitates criminal and terrorist activity". This is the best they have come up with.

India

Unlike other major countries, India has specific regulations that private sector organizations or individuals cannot procure or use such devices in India.

The Cabinet Secretariat published a "jammer policy" on its website stating that norms have been framed for the procurement and use of jammers by states/union territories, defense forces and police.

Under the Telecommunication and Data Protection Act, 1992, mobile signal jammers are controlled items and can only be imported into India with a license issued by the DGFT.

The policy says the move is to "prevent the indiscriminate proliferation of jammers and ensure that mobile jammers installed do not cause excessive or unintentional interference to the existing mobile phone network."

UK

Under the Wireless Telegraphy Act 2006, anyone who intentionally interferes with wireless telegraphy (e.g. radio communications) commits an offence.

If convicted, you could be sentenced to up to 2 years imprisonment and/or a fine not exceeding the statutory maximum, or both.

OfCom warns that consumers are strongly advised not to operate devices that interfere with radio communications as they could "cause you to miss calls and, in the worst case, they could pave the way for criminal conduct or even endanger someone's life".

Canada

Under the Radio Communications Act, it is illegal to import, manufacture, sell, possess and use jamming devices that interfere with cellular frequencies in Canada.

You could face up to a year in prison or a fine of up to $5,000. According to a statement on ic.gc.ca, only law enforcement agencies are allowed to import radio equipment that interferes with radio communications.

A report issued by the Justice Department has revealed a new approach to mitigating criminal activities in prisons: the successful implementation of a signal jammers that obstructed mobile signals from illicitly introduced phones in a Maryland correctional facility.

The announcement disseminated swiftly across various prisons. For Brian Sterling, who oversees the South Carolina Department of Prisons, this news confirmed his stance that jamming technology is the most cost-effective and impactful method to prevent the entry of phones into correctional institutions.

A cell phone jammers is a small and cost-effective apparatus that generates a continuous tone directed at an antenna, which effectively hinders any mobile phone from making or receiving calls. Generally, these jamming devices are inexpensive, with various models available online, ranging in price from $119 to $650.

For an extended period, prison officials have maintained that inmates are resourceful in their attempts to introduce phones into correctional institutions. In South Carolina, Sterling observed that couriers would navigate through forested regions, tossing backpacks containing contraband over the prison walls; furthermore, drones would monitor prison yards, releasing phones to inmates when guards were not present.

We require a comprehensive set of tools to effectively confront this challenge.

Sterling has implemented 50-foot nets around his facility, eliminated trees to hinder the escape of drones after they have been deployed, installed sophisticated metal detectors, and collaborated with the Justice Department in numerous prosecutions of staff members for the illegal transportation of cell phones.

In a phone interview, Sterling stated, "We are in a state of war. It is essential that we utilize all necessary tools to confront this challenge."

The pivotal moment for Sterling was marked by the shooting of one of his correctional officers. On March 5, 2010, Captain Robert Johnson was at his home in Sumter, South Carolina, when a gunman invaded the premises and shot him six times at close range with a .38-caliber revolver. The assailant, Robert Odell Brown, 33, was killed in February during a violent altercation among inmates at the Lee County Correctional Facility in Bishopville, South Carolina.

The incident was coordinated by the Lee County Correctional Facility through the use of a cell phone. Following this event, Sterling has been focused on introducing jammers into correctional facilities.

Another viable solution to jamming is the implementation of small box antennas, which are cost-effective at roughly $400 and can adequately cover a block with about 10 units. The boxes require interconnection, but once the system is operational, all phones will seamlessly connect to these antennas, ensuring that signals do not escape the designated area. Levitan noted that this strategy can effectively block calls without the need for the forceful measures associated with jamming technology, as long as the facility maintains oversight of the equipment.

According to the findings, the operational costs of a controlled access system compared to jamming are minimal, and controlled access is identified as a more flexible method for restricting cell phone use. The installation of jamming systems in correctional institutions necessitates a precision-based approach, which is significantly more costly.

A representative from Tennessee is advocating for a ban on the use of illegal cell phones by inmates, citing concerns that these devices facilitate the planning of attacks, the management of drug rings, and the coordination of criminal activities.

In the forthcoming congressional session, Representative David Kustoff (R-Tenn.) is set to introduce a bill aimed at authorizing the deployment of cell phone jamming technology in state correctional facilities.

While cell phone jammer are able to interfere with cell phone signals, their deployment has been outlawed in state prisons as a result of the 1934 federal Communications Act, which was established long before the invention of cell phones.

During the introduction of similar legislation last year, Rep. Kustoff informed fellow members of Congress, "This technology will serve to protect inmates, correctional officers, and the broader public." He added, "State attorneys general throughout the nation have recognized that contraband cell phones in prisons represent one of the most critical public safety challenges currently faced by prison administrators."

Experts in the correctional field assert that inmates throughout the country have leveraged contraband cell phones to perpetrate serious crimes while serving their sentences. As an illustration, Kustoff noted that in Tennessee, an inmate used a cell phone to arrange a drug deal, which involved mailing a bag of meth to his girlfriend.

During a meeting on Wednesday, State Senator Jackson conveyed to lawmakers and Tennessee Department of Corrections Director Frank Strada that Representative Kustoff is seeking to determine the interest in the bill from the state's prison leadership. Strada affirmed his strong endorsement of the proposal.

According to Strada, "The act of jamming a cell phone will ultimately transform it into a non-functional device, similar to a brick, within a prison setting. I believe I reflect the sentiments of many correctional officers, whether state, federal, or local, who consider jamming to be an invaluable tool in our prisons."

Over time, state lawmakers have implemented legislation to address the issue of prohibited cell phones in correctional institutions. A significant bill was presented in 2021 by former Senator Paul Ross (R-Kingston) and former Representative Brandon Ogles (R-Franklin), which sought to designate the possession of a cell phone by an inmate as a Class E felony.

Representative Kustoff is set to introduce legislation concerning cell phone jamming in the forthcoming congressional session. He has communicated to state lawmakers that other Tennessee congressional representatives have expressed their support for the bill. Kustoff has a history of backing similar initiatives, the latest of which was proposed last year, but unfortunately, it did not advance out of committee.