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Is there a way to block cell phone signals on devices owned by neighbors?
19 lutego 202419 lutego 2024 Dodaj komentarz0 komentarze Bez nazwy Bez nazwy
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The convenience of being able to reach out to individuals at any hour is truly remarkable. However, the use of cell phones in restaurants, theaters, concert halls, malls, and religious institutions has become a concern due to certain users' inability to discern when to conclude their conversations.Have you ever found yourself irritated by listening to a discussion about a highly personal situation, where the speaker reveals intimate details to their friend and those around them?


While the majority of us simply complain and carry on, there are individuals who go to great lengths to retaliate. Cell phones, essentially serving as handheld two-way radios, can experience signal disruption or jamming, similar to any other radio device.


By transmitting a signal on the same frequency and with a sufficiently high power, jamming devices can overpower cell phones, resulting in the collision and cancellation of the two signals. To counteract any minor disruptions, cell phones are designed to amplify their power, hence the signal jammer must be able to detect and replicate the power increase from the phone.


Cell phones function as full-duplex devices, employing two separate frequencies for simultaneous talking and listening. Some jammers interfere with only one of the frequencies utilized by cell phones, leading to the blocking of both frequencies. This deceives the phone into assuming there is no service since it can only detect one frequency.


Devices with lower complexity are designed to block only one set of frequencies, whereas more sophisticated jammers have the capability to block multiple network types simultaneously. This prevents dual-mode or tri-mode phones from automatically switching between different network types to search for an open signal. Some high-end devices have the ability to block all frequencies at once, while others can be fine-tuned to target specific frequencies.


Blocking a cell phone signal simply requires a device that can transmit on the correct frequencies. While various cellular systems may process signals differently, they all rely on radio signals that are vulnerable to interference.The 900-MHz and 1800-MHz bands are utilized by GSM in Europe and Asia for digital cellular and PCS-based systems, whereas in the United States it operates within the 1900-MHz (sometimes referred to as 1.9-GHz) band.The versatility of gps jammer allows them to operate on any frequency, making them highly effective against AMPS, CDMA, TDMA, GSM, PCS, DCS, iDEN, and Nextel systems. Whether it is traditional analog cell phones or contemporary digital devices, both types are equally susceptible to disruption caused by jamming.


The actual range of the gsm jammer depends on its power and the local environment, which may include hills or walls of a building that block the jamming signal. Low-powered wifi jammer block calls in a range of about 30 feet (9 m). Higher-powered units create a cell-free zone as large as a football field. Units used by law enforcement can shut down service up to 1 mile (1.6 km) from the device.


I'll give you a serious answer since many others won't. I know from experience that, yes, your neighbor COULD have such a device. They're rather inexpensive. $150 can get someone a cell phone jammer conveniently delivered to their door.


Is it likely though? Anything is possible. You never really know who your neighbors are. I move around a lot & after all the awful neighbors I have had, I put nothing past anyone.


FCC probably won't take your claim seriously without proof. Just repeat the performance a few times & record the results. However, if the guy has a jammer it would probably be best not to talk about your test out loud.


Reason being, when someone has a jammer, they usually also have a listening device. No, I am not joking. Every person in this would be paranoid if they knew the number of people who buy listening devices so they can spy on their neighbors for shits & giggles....or worse more malicious reasons.They're easy to acquire & work wonderfully. Don't talk about your plan to test him so you can record it. If he has a jammer, chances are that he's the type to have such a device to listen to you in your home.

 

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