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United States China IT

DHS Warns of Sharp Rise in Chinese-Made Signal Jammers (theregister.com) 23

The Department of Homeland Security is concerned about the rate at which outlawed signal-jamming devices are being found across the US. From a report: In a warning issued on Wednesday, it said it has seen an 830 percent increase in seizures of these signal jammers since 2021, specifically those made in China. Signal-jamming devices are outlawed in the US, mainly because they can interfere with communications between emergency services and law enforcement.

While the Communications Act of 1934 effectively prohibits such devices, signal jammers of the type DHS is concerned about have only circulated in the last 20 to 30 years. Authorities have paid special attention to relay attack devices in recent years -- the types of hardware that can be used to clone signals used by systems such as remote car keys, although the first examples of these devices date back to the 1980s.

DHS Warns of Sharp Rise in Chinese-Made Signal Jammers

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  • by timholman ( 71886 ) on Friday June 20, 2025 @05:16PM (#65464395)

    The rise in the use of signal jammers is due in no small part to the popularity of WiFi-connected security cameras. For example, signal jammers are very popular tools among professional burglary rings. They've hit multiple homes in the pricier areas of the county I live in.

    Companies like Ring have been very successful in convincing consumers that "Ring = home security", when in fact Ring cameras are a terrible choice due to the fact that they must have a WiFi connection in order to operate. The burglars scout out pricey homes in neighborhoods where no one ever talks to their neighbors, and houses are isolated by distance, foliage, and fences. And it just so happens that the owners installed Ring cameras.

    So the burglars drive up, activate their jammers to knock out both the Ring cameras and the cell connection for any burglar alarm, then clean the place out. Even if an alarm goes off, chances are that no one will hear it, or call the police if they do.

    If you're truly serious about video security, you need hardwired cameras with onsite storage and battery backup. You might still get robbed, but at least you'll have something to show the police.

    • Since wifi and bluetooth use the same frequency it would be great to fire up a jammer for when people walk by carrying those enormous bluetooth speakers.

    • I solve this problem by not having much at home that's worth stealing.

      There's SOME stuff, but really, not that much. They'd get maybe $2000 selling my shit to someone. Not the end of the world for me.

    • by Tailhook ( 98486 )

      pricey homes in neighborhoods where no one ever talks to their neighbors, and houses are isolated by distance, foliage, and fences.

      I've lived all over, in all sorts of dwellings and properties. At the moment, I'm in the sort of neighborhood you have in mind.

      FYI: On large properties — when you have private roads, culverts, shared fences lines, trees and other growth, property line issues, etc. — you do have to interact with neighbors. Repairs, maintenance and other issues come up, and this has to be coordinated with neighbors. Properties are often unoccupied, and neighbors rely on each other to deal with things. In the

      • Cool anecdote, bro.

        My step mom has 11 acres, and my dad has 9.
        I've never seen the neighbors.
        In my condo, I quite literally see my neighbors every single day.
    • Critical issue here: cameras don't prevent burglaries. They are not really any sort of security from that type of event.
      Yes, they may be security for other purposes, but all you're doing in the event of burgulary is capturing (often useless) evidence.
    • by dbialac ( 320955 )
      All of this is true, but do keep in mind that such jammers are actually quite illegal in the US.
  • by registrations_suck ( 1075251 ) on Friday June 20, 2025 @05:38PM (#65464427)

    I really want one. But I fear my government ):

    • Buy some tactical gear, a mask, and a fake ICE badge and you’re set. You can do whatever you want.

      • >"Buy some tactical gear, a mask, and a fake ICE badge and youâ(TM)re set. You can do whatever you want."

        As long as "whatever you want" means arresting, processing, and then likely deporting illegal aliens. Kinda their job as defined and supported by law.

        Yeesh, not even a decent troll attempt.

        • Deporting people without following due process is otherwise known as kidnapping. People can't simply be deported without a judge issuing a warrant. I guarantee all these people wearing masks to hide their faces were the biggest loudmouths during covid. You're law enforcement? Stop hiding your face and show me your badge. They're most likely unqualified cosplayers.

          Most of the people being deported are working and I can't fault them for trying to make a living. If the powers that be really cared about the flo

          • >"Deporting people without following due process is otherwise known as kidnapping."

            None of this has anything to do with the thread topic.

            You are insinuating that most people being deported had no due process, and that is factually incorrect.

            >"Most of the people being deported are working"

            Completely irrelevant

            >"and I can't fault them for trying to make a living."

            You can fault them for continuously breaking the law.

            >"If the powers that be really cared about the flow of illegal labor they would sta

            • You are insinuating that most people being deported had no due process, and that is factually incorrect.

              Actually, for a while, nearly 100% of them were deported without due process.
              A Trump appointed judge put a stop to that bullshit.
              The situation is now better, for sure, but let's not forget he literally raced to get people on planes out of the country before they could see a Judge.

              • by dbialac ( 320955 )
                The law he was trying to leverage doesn't require due process. At this point, it is unclear if he'll be able to use it as it's currently tied up in court. If the courts rule in his favor, they'll be on express lane out of the country. Sell your house now before housing becomes affordable again because of all of the deportations freeing up those houses.
              • >"Actually, for a while, nearly 100% of them were deported without due process."

                Not sure I believe that. Some number already had a deport order issued by a judge; that *was* their due process. In some other cases it could be expedited removal which is generally within 2 years of entry by sea or 14 days/100 miles of the land border. In those cases they can be deported immediately. And also in many other cases without being able to attend a hearing in immigration court when one of these occur: Comes t

          • by dbialac ( 320955 )
            Better idea: tackle it from both ends. Deport people here illegally and arrest and jail the people who hire them. Regarding the immigration angle, we already have the 2nd most open immigration in the world, second only to New Zealand. 1 million people legally immigrate to the US every year. Yeah, I bet you didn't know that it's harder to immigrate to Canada and Australia than to the US. Notably, the four countries with the most open immigration policies, these four countries, are all former British colonies
    • Haha.. ohh.. nothing..yeah, me neither, never crossed my mind, but ... how much are these things?
  • Okay, but ... (Score:4, Insightful)

    by fahrbot-bot ( 874524 ) on Friday June 20, 2025 @06:03PM (#65464479)

    Not sure why it's relevant that they're made in China, except to further a political agenda.
    I mean, wouldn't signal blockers made anywhere work the same and be just as bad?

    Would DHS prefer people use U.S. made signal jammers?
    Upside - It would bring that manufacturing back, etc... and they'd be tariff-free!

    /s

    • >"Not sure why it's relevant that they're made in China"

      Probably because the observations support that they are, in fact, coming from China. China has a track record of not really caring about our laws, you know. The implication is that they are feeding an illegal market. Is there a political agenda on their part (as is likely with the whole Fentanyl precursor stuff)? Possibly. But it is more likely just happily making money on a consumer demand.

      We have two converging issues- over-reliance on wirele

      • I do wonder how much of jammer use is for ... wanting to disrupt the constant, incredibly rude/annoying/selfish behavior of many mobile phone/device users.

        I was in a doctor's office a little while ago and there was this (much) older guy watching YouTube videos on his phone with the volume up, while literally sitting across from a sign that asked people not to do things like that. His wife nudged him after a few minutes and he turned it down. It was annoying, but the guy was clearly a little hard of hearing, though don't know why he didn't have ear buds...

        • know why he didn't have ear buds...

          Because like all such people who listen to their shit in public without headphones, he's A FUCKING ASSHOLE.

  • ... Hedy Lamarr when we need her?

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