Questions tagged with 'cellphone'
  • gsm is a kind of mobile phone jammer frequency band
    Faced with the many choices on the market, what kind of signal frequency does gsm belong to?
    2 comments Most recent by PerfectjammerJuly 2021
  • How to better control the child's mobile phone time?
    It is a common phenomenon that children are addicted to mobile games, but I am really worried about my children. They play mobile games day and night. I want to stop him, but he no ...
    2 comments Most recent by PerfectjammerApril 2021
  • Are apps on Android smartphones safe?
    Hi! I use Verifon’s Way2Ride app on my Android smartphone, and I want to know that it’s really safe, because I heard it uses the very fragile NFC technology. I want to make sure...
    2 comments Most recent by PerfectjammerNovember 2020
  • Write comedy church
    Write a comedy to make you laugh, but to eliminate the noise, use the best gsm jammer. Actors improvise for many reasons, whether it is to allow them to be creative at any time or t...
    2 comments Most recent by PerfectjammerSeptember 2020
  • How to make a driving car quiet?
    There are noisy voices of mobile phones everywhere in the car. I want to make the journey quieter. What should I do to ensure driving safety?
    2 comments Most recent by PerfectjammerAugust 2020
  • What accessories are needed to make jammers
    Hello everyone! I want to make a jammer device to block cell phone signals by myself. What auxiliary materials are needed? where can buy this? What do you recommend?
    2 comments Most recent by PerfectjammerJuly 2020
  • How to ban phone ringtones while working
    The ringtone is very convenient for us to make important calls, but despite the popularity of mobile phones, personal information leakage, ringtone noise problems, various sales cal...
    2 comments Most recent by PerfectjammerJune 2020
  • How to prevent being photographed in the hotel?
    On the Internet, I have seen a lot of news reports about stealing photos, especially in hotels, how can I prevent the photos from being taken?
    2 comments Most recent by PerfectjammerJune 2020
  • Which is better, 3 antenna jammer or 4 antenna jammer?
    Hand-held jammers are very popular, they have several antenna designs, such as three and four. I need to buy such a signal blocking device, which is better? Can you recommend it to ...
    2 comments Most recent by PerfectjammerJune 2020
  • Where can I buy a jammer that blocks mobile phone signals?
    Hello everyone! I am here for the first time and need your help. I want to buy a jammer that does not allow Internet access using mobile phones.
    2 comments Most recent by PerfectjammerJune 2020
  • Is there a jammer that can satisfy CDMA DCS PCS GSM 3G 4G WiFi phone signal at the same time?
    I need a powerful multi-function mobile phone to interfere with, the protection distance is less than 20 meters, and it is easy to carry ~ Any suggestions?
    2 comments Most recent by PerfectjammerMay 2020
  • How to choose a cell phone jammer?
    Hello everyone, I need to buy a cell phone jammer in the classroom. As a teacher,...
    5 comments Most recent by alexytonyMarch 2020
  • I need to block the AdTrap routing device
    Hi guys! I need advice on how to block this AdTrap device? It is a real necessity, so I will appreciate any possible help.
    2 comments Most recent by PerfectjammerNovember 2019
  • Can someone use Glympse from my new Mercedes A Class to spy on me?Hi guys! Recently bought new Merce
    Hi guys! Recently bought new Mercedes A Class, it has an exclusive application called Glympse there. It's a location-sharing application, so I'm worried if someone tries to locate me using Gly...
    2 comments Most recent by PerfectjammerNovember 2019
  • How can I stop talking on mobile phones at the cinema?
    Hi everybody! Help me please! I'm sick of these people who use their mobile phone in the cinema during the show! How can I prevent them from using phones there?
    2 comments Most recent by PerfectjammerNovember 2019
  • Can monitoring of the GE fleet simply be stopped?
    Hello everyone! My company has recently joined GE Fleet. I do not do anything wrong. I just want to know if there is a product that will prevent them from following me. If you are familiar wit...
    2 comments Most recent by PerfectjammerNovember 2019
  • What is smart clothing? Is it dangerous?
    Hi people! I have heard that there are smart clothes developed in some research labs around the world. What is this thing and can it possibly become a threat to us?
    2 comments Most recent by PerfectjammerNovember 2019
  • Are there indicators on jammers?
    Hello everyone! Someone may think it's not very important, but I want to know: do signal jammers have some kind of indicator of their work process?
    2 comments Most recent by PerfectjammerNovember 2019
  • Can I prevent aircraft pilots from sending SMS in the cockpit?
    Hello everyone! I was looking for details on sending SMS while driving on the Internet and came across an article about Mashable about an Australian pilot using a mobile phone and almost crash...
    2 comments Most recent by PerfectjammerNovember 2019
  • I need more information about GSM car alarms!
    Hello! I was browsing your personal blog on security and a message about GSM car alarms hit me. I would like to know how a cell phone signal blocker will work exactly against this type of alar...
    2 comments Most recent by PerfectjammerNovember 2019
  • What temperatures can the signal jammer hold?
    Hello everyone! I want to know one thing about the scrambler's operating process before buying it: Can it work in high and low temperature environments?
    2 comments Most recent by PerfectjammerNovember 2019
  • Is it true that Intel will manufacture the microchip with WiFi in a few years?
    Hello everyone! I heard that Intel was going to surprise us all in a few years by making a chip with built-in WiFi. Is it a joke or real information?
    2 comments Most recent by PerfectjammerNovember 2019
  • Can I use Bluetooth jammer for security application
    Hello people! Can someone tell me about using Bluetooth jammer? Can I use it for security purposes to protect my personal information? Thanks in advance!c
    2 comments Most recent by PerfectjammerNovember 2019
  • How can I block shower room spy camera
    Hello guys! Please help me! The shower room in my hostel is being bugged with hidden spy camera and I can't find it! How can I block it from making a video?
    2 comments Most recent by PerfectjammerNovember 2019
  • How to block a phone call
    Hi! My name is Jimmy and I want to ask if someone knows how can I block incoming phone call? Is it hard to do and what do I need to have or use for this?
    2 comments Most recent by PerfectjammerNovember 2019
  • How to block gps tracking on cell phone
    Hi! Recently I've read about cell phone GPS tracking system and that it can be used to track me down. Is there any way to block this GPS on my cell phone?
    2 comments Most recent by PerfectjammerNovember 2019
  • How to block a satellite signal
    Good day to all! I have uncommon question for you. Is it possible to block a satellite signal? And if the answer is yes, then how can I actually block it?
    2 comments Most recent by PerfectjammerNovember 2019
  • Does tracker jammers work

    Hello people! I suspect that I am tracked by some kind of tracking device, and I want to know - do those tracker jammers really working? Can I use them?

    2 comments Most recent by PerfectjammerNovember 2019
  • Can use cell phone signal blocker for schools

    Hello! I am a teacher in the school and I am sick of pupils cheating at exams and distracting during lessons. Can I use cell phone blocker in my classroom?

    2 comments Most recent by PerfectjammerNovember 2019
  • How can prevent sexting
    Hi! In recent years, terrorist attacks in Europe, particularly in France, have multiplied. These are mainly bomb attacks controlled remotely. The degree of damage of the attack.
    2 comments Most recent by PerfectjammerNovember 2019
  • How to DIY a mobile signal jammer

    I want to create my own signal jammer to be able to tune it as I wish and enjoy the work of my home-made gadget. Is it possible to build such device at home?

    2 comments Most recent by PerfectjammerNovember 2019
  • What device should I use to jam RF signal

    What jammer do I need to purchase to jam this RF signals ? Many thanks in advance. Bob J

    2 comments Most recent by PerfectjammerNovember 2019
  • How To Protect Your Privacy By Signal Blocker
    Audio recording pen can help us recording some work, learning or something of the life that can bring some convenience to us. That is the reason why it so popular in life. But wh...
    2 comments Most recent by PerfectjammerOctober 2019
  • Prolonged use of mobile phones affects intelligence
    For parents, in addition to the child's health, the child's intellectual development is also a lot of parents concern. Therefore, many parents are devoted to how to make their children develop...
    2 comments Most recent by PerfectjammerOctober 2019
  • Smartphones are progress or decline
    As we all know, with the invention of smart phone, our life has become more and more convenient, but there are also many disadvantages. One obvious point is that people who use s...
    2 comments Most recent by PerfectjammerOctober 2019
  • Whether WiFi and cell phone signals are harmful to human health
    Many electromagnetic waves now emit harmful radiation, but many people are not aware of the danger. For example, we often use smart phones, it can emit blue light that is harmful to our eyes, ...
    2 comments Most recent by PerfectjammerOctober 2019
  • The signal in the library became very weak
    Recently, a very strange thing happened to me when I went to the school library, my mobile phone had almost no signal in the library, and I missed several calls from my friends. What's the rea...
    2 comments Most recent by PerfectjammerSeptember 2019
  • The cell phone signal disappeared during the exam
    Recently, there is examination week in our school, it is very common thing, but one thing is different from previous years, during the examination period, if you are too close to the classroom...
    2 comments Most recent by PerfectjammerSeptember 2019
  • Stop employees from using cell phones in the bathroom
    Recently, I noticed a very bad phenomenon in my company, that is, employees spend a lot of time in the bathroom. As far as I know, most people watch video in the bathroom or log on to facebook...
    2 comments Most recent by PerfectjammerSeptember 2019
  • Can use a mobile phone for a long time really myopic
    My child likes using mobile phone very much. He will chat with his mobile phone and watch video all day long. He hardly ever sees him put down his mobile phone. So I wonder if this will make h...
    2 comments Most recent by PerfectjammerSeptember 2019
  • I want to ban students from using mobile phones in class
    I am a new teacher, because I have little experience, so the students do not fear me at all. There are always a lot of students in my class who use their phones, oh yeah, maybe they are using ...
    2 comments Most recent by PerfectjammerSeptember 2019
  • Cell phone reception in the church was very weak
    During a recent prayer service in church, I found that my cell phone reception was so weak that I could barely receive calls or messages.Nothing like this had happened before, but since the ph...
    2 comments Most recent by PerfectjammerSeptember 2019
  • Missing cell phone signal on the train
    I have to say this is a very strange thing. Several times recently I've been on a train to Devon and lost my mobile phone signal for no apparent reason.What is the cause of my complete inability to answer phone calls and receive any messages on the train? ...
    2 comments Most recent by PerfectjammerSeptember 2019
  • Can signal interference be kept in the office
    Recently, I bought a phone jammer online and put it in our office area.The results were good. There were significantly fewer slacking behaviors at work. But recently I heard that this kind of ...
    2 comments Most recent by PerfectjammerSeptember 2019
  • Why is there no cell phone signal in the restaurant
    This happens all the time, every time when I go to a restaurant for dinner, I will find my cell phone signal is lost.But as soon as I get out of the hotel, the signal comes back on.What exactl...
    2 comments Most recent by PerfectjammerSeptember 2019
  • Is cell phone signal necessary in school
    Nowadays, cell phones are very popular all over the world, so more and more students start to use cell phones. Although mobile phone can let students get more knowledge, children are easy to g...
    2 comments Most recent by PerfectjammerAugust 2019
  • How do U.S. citizens feel about signal interference
    According to incomplete statistics, most American citizens are understandable about the phenomenon of signal interference. Because they think somewhere needs to be quiet. Not eve...
    2 comments Most recent by PerfectjammerAugust 2019
  • Is there combined GSM 3G 4G jammer?
    Hello, everyone. I have a complicated situation here, which involves jamming several signals simultaneously.Is there a jamming device for sale?
    2 comments Most recent by PerfectjammerJuly 2019
  • Is it possible to jam GSM/GPS tracking device, without jamming mobile phones?
    I need to block a GPS tracker installed in my car, but the problem is that I need my mobile phone working. Can just block the GPS signal without interfering with the normal use of the phone
    2 comments Most recent by PerfectjammerJuly 2019
  • Can a hacker break into my mobile bank through a smartphone?
    Hello, guys
    I often use mobile banking for payment. Recently, I read a news that this payment method may h...
    2 comments Most recent by PerfectjammerJuly 2019
  • Can block access to social networks in the office?
    Hello, every one
    I have tried to limit the access to these social networking sites on the computer, but my...
    2 comments Most recent by PerfectjammerJuly 2019
  • Whether can the police without permission to monitor cell phone?
    Hi, guys
    I know that the police must be authorized to for personal GPS tracking. Then l...
    2 comments Most recent by PerfectjammerJuly 2019
  • How to protect my smartphone form spying?
    Recently, I found my smart phone seems to be spy tools to monitor. How do I in does not affect my other equipment under the condition of normal operation to stop this espion...
    2 comments Most recent by PerfectjammerJuly 2019
  • Can 4G jammers prevent cheating after 5G phones come out
    With the arrival of 5G, our life seems to have changed a lot. Our school is now facing such a problem. We need to purchase a batch of jammers to prevent students from c...
    2 comments Most recent by PerfectjammerMay 2019
  • Can I use the jammer in the meeting room
    Hello, everyone
    Our company is a high-tech company. Competitors often eavesdrop on our ...
    2 comments Most recent by PerfectjammerMay 2019
  • Whether the mobile phone jammer can prevent eavesdropping
    Hello, everyone
    I heard that cell phone jammers can prevent meetings from being bugged. Is that true?
    2 comments Most recent by PerfectjammerMay 2019
  • Cell phone jammers can replace Faraday cages?
    Hello, everyone
    Our school planned to build a large Faraday cage, but it was very expensive. I've see...
    2 comments Most recent by PerfectjammerMay 2019
  • What is the range of cell phone jammers
    Hello
    I learned about the device online. I'd like to know what the maximum range ...
    2 comments Most recent by PerfectjammerMay 2019
  • How can you ban children using a mobile phone
    Hello, every one
    My child likes playing with his mobile phone very much. He often watches hi...
    2 comments Most recent by PerfectjammerMay 2019
  • What kind of cell phone jammer is the most popular
    Hello, every one.
    I want to buy a cell phone jammer, but I don't how to choice. What's jammer is the most popular in 2019 US?
    2 comments Most recent by PerfectjammerMay 2019
  • Can schools jam cell phone signals

    Can schools now disable cell phone signals at will? My middle school has started installing a device called a cell phone jammer. Does the school have the r...

    2 comments Most recent by PerfectjammerMay 2019
  • Can US prisons legally use jammers
    I heard that some prisons have started to use this kind of equipment to supervise prisoners. Is it true? If so, where can they be bought?
    2 comments Most recent by PerfectjammerMay 2019
  • Why are more and more schools using cell phone jammers
    Our school seems to have installed such equipment recently. Why do schools need such equipment? What is the point of the device other than making it impossible for us to use cell phone properl...
    2 comments Most recent by PerfectjammerMay 2019
  • Why are signal jammers becoming more popular
    Hey, guys! Recently a device called a signal jammer has become more and more popular. Why?
    2 comments Most recent by NoraBrownMay 2019
  • When will 5G jammers appear?
    Hello, everyone! It is said that huawei will release the first 5G mobile phone this year. Will there be 5G jammer soon? I just bought a 4G jammer. I wonder, after 5G comes out, will my jammer ...
    2 comments Most recent by PerfectjammerMay 2019
  • What signal can the mobile phone signal jammer interfere with at present?
    Hey, guys
    Now mobile phone signal jammer development at what stage, can interfere with what kind of signal?
    2 comments Most recent by PerfectjammerMarch 2019
  • Signal Jammer? Why we use it?
    Hi, brothers
    I want to know what a signal jammer is and why do we need it?
    2 comments Most recent by PerfectjammerMarch 2019
  • Why we need a portable jammer?
    I heard there are portable jammers and desktop jammers. Why do people tend to buy portable?
    2 comments Most recent by PerfectjammerDecember 2018
  • Can I buy a mobile phone jammer for car?
    I have a bad habit. I always like to see a cell phone while driving. I know this is very dangerous, but always can't help to do it. Therefore, I want to know if there is a cell ...
    2 comments Most recent by PerfectjammerNovember 2018
  • Can Canada use 4G mobile phone signal jammers?
    Hello, everyone.
    I am a restaurant owner that living in Ottawa. I hope my customers can more concentr...
    2 comments Most recent by PerfectjammerNovember 2018
  • How to buy WiFi and cell phone signal jammers?
    I am a school leaders. Thanks to the popularity of smart devices, more and more people are using them to break school rules. Such as using cell phone in class to watch video ...
    2 comments Most recent by PerfectjammerSeptember 2018
  • Now there are 5G jammers?
    With the popularization of 5G signals, more and more countries and cities began to use this new cell phone signal. So, keep quiet for a certain purpose, whether to have the corresponding ...
    2 comments Most recent by PerfectjammerSeptember 2018
  • Where can buy high power selective cell phone jammer?
    I want to buy a selectivemobile jamming device. But I searched a lot of online stores and found no similar products. Can anyone tell me where I can buy this kind of device?
    2 comments Most recent by PerfectjammerJuly 2018
  • Are cell phone jammers legal in the workplace
    I want to know whether it is legal to use mobile jamming devices in the office area? Our office area needs to ban cell phone signals and prevent employees from being distracted
    2 comments Most recent by PerfectjammerJune 2018
  • How to block cell phone signals in public places
    I've met people who talk on the phone loudly in public more than once. Sometimes you have to listen to someone tell you the menu for dinner for half an hour. I can't st...
    2 comments Most recent by PerfectjammerJune 2018
  • How to jam mobile phone signals in school
    With more and more applications of mobile phones, more and more people pay attention to mobile phones. As a result, many students are still paying attention to their mobile ...
    2 comments Most recent by PerfectjammerJune 2018
  • Does long use of cell phones affect intelligence
    According to statistics, students who use mobile phones for a long time have lower attention and intelligence than their peers. As a education worker, I felt it was necessar...
    2 comments Most recent by PerfectjammerJune 2018
  • Are cell phone signal harmful to the brain
    I recently read a report that receiving cell phone signals for a long time is harmful to the brain. This message really freaked me out. If the news is true, how can I protect myself?...
    2 comments Most recent by PerfectjammerJune 2018
  • How to ban cell phone signal in court
    It has to be said that the court is a place that needs to be kept quiet. But with the popularity of mobile phones, cell phone ringtones are now always heard during court ses...
    2 comments Most recent by PerfectjammerJune 2018
  • What can jam mobile phone signal
    I wonder if there is any device that can block cell phone signal? Although cell phones are a great invention. But I can't stand my neighbors talking loudly on the phone...
    2 comments Most recent by PerfectjammerJune 2018
  • How to stop using cell phones in theater
    If you're watching a play in a theater, How do you feel when suddenly the cellphone screen of the audience around you lights up？ As a theater worker, I have received ...
    2 comments Most recent by PerfectjammerJune 2018
  • Where can buy large range mobile jamming devices
    Hey, guys. Recently, our school will invite a famous person to give a speech. But I'm worried about students using mobile phones during their presentations. So I w...
    2 comments Most recent by PerfectjammerJune 2018
  • How to avoid eavesdropping on confidential meetings
    Hey, guys. Our company is going to organize a big meeting recently, during which there will be many small secret meetings. What needs to be done to prevent eavesdroppin...
    2 comments Most recent by PerfectjammerJune 2018
  • How can both jam cell phone and wifi signal
    As a college teacher, I have to say that because the school is covered with WIFI, students no longer pay attention to class. They connect to WIFI and then watch video in cla...
    2 comments Most recent by PerfectjammerJune 2018
  • Can jamming devices be used at gas stations
    It is very dangerous for the gas station because there is a spark when you answer the phone. But is there nothing to stop it. So I wonder if I can use the jamming device at the gas s...
    2 comments Most recent by PerfectjammerJune 2018
  • Can jam cell phone signals in restaurants
    As a restaurant worker, I have to say that it is very impolite to answer the phone loudly during dinner. But there is no doubt that advice is useless. So I want to know...
    2 comments Most recent by PerfectjammerJune 2018
  • Can use a cell phone blocker in classroom US
    Can I use mobile phone blocker device in order to prevent students from reading mobile information during class? It's really hard to stop students from getting distracted in class<...
    2 comments Most recent by PerfectjammerJune 2018
  • Why don't use cell phone at the cinema
    As a movie buff, I can't stand it when someone answers the phone during the movie. I know that there is a kind of jamming device that can block cell phone signal. Can the cinema use ...
    2 comments Most recent by PerfectjammerJune 2018
  • How to block cell phone signal in library
    I'm a librarian. With the popularization of mobile phones, more and more people have mobile phones. More and more people answer the telephone in the library. The atmosphere in t...
    2 comments Most recent by PerfectjammerJune 2018
  • Can use a signal jammer in exam room?
    As an educator, nothing is more worrying than cheating in exams. I heard that other countries use jamming devices to prevent students from cheating in exams. Is it true? Can it be us...
    2 comments Most recent by PerfectjammerJune 2018
  • How to make a cell phone jammer homemade
    I'm very interested in mobile interference devices. But I'm in a city where I can't find a shop for this kind of equipment. So I want to know how to make this device
    2 comments Most recent by PerfectjammerJune 2018
  • Is it legal to block cell phone signals?
    I've heard about mobile interference devices a long time ago. I've always wanted to buy one, but I don't know it's legal or not
    2 comments Most recent by PerfectjammerJune 2018
  • How to disrupt cell phone signal
    Hey, guys. I'm fed up with cell phone ringtones in the library. Who can tell me how to jam cell phone signal?
    2 comments Most recent by PerfectjammerJune 2018
  • Where to buy cell phone jammer in USA
    Hey, guys. I want to buy a cell phone jamming device. But I don't know where to sell it. Can anyone tell me where I can buy this kind of device in America?<...
    2 comments Most recent by PerfectjammerJune 2018
  • What is a cell phone jammer used for
    I have learned some information about mobile interference devices on the Internet. But what's the use of such devices?
    2 comments Most recent by PerfectjammerJune 2018
  • How to kill cell phone signal
    I live next door to a neighbor who often calls late at night. Every day from 1 a.m. to 3 a.m., he would make regular phone calls and wake me up from sleep. So I want to know what can...
    2 comments Most recent by PerfectjammerJune 2018
  • What can block cell phone signal
    I'm a restaurant manager. I want to know how to block cell phone signal. Telephone rings and loud conversations are often heard during meals. So I want to make the customers hav...
    2 comments Most recent by PerfectjammerJune 2018
  • How to block cell phone signal in my house
    Hey, guys!
    I have a question want to ask you for help. How to jam cell phone signals at home? My chi...
    2 comments Most recent by PerfectjammerJune 2018
  • How to get a personal cell phone signal blocker device
    I've heard about this kind of equipment. But as far as I know, this kind of equipment is usually purchased by the government or the education department. I'd like to know how can hav...
    2 comments Most recent by PerfectjammerJune 2018
  • How to stop phone tapping
    Hi, everyone!
    I seem to be in trouble. My phone seems to have been bugged, and I don't know where it ...
    2 comments Most recent by PerfectjammerJune 2018