This device is suitable for classroom, meeting room, library, movie theater and other places where need to keep quiet. Due to its small size and easy to hide, the device is popular with teachers and administrators. As the most popular handheld jammer, this product has a small size, easy to carry. Can block 8 frequencies, and have a very large jammer range. With a separate frequency control switch, you can select the frequency range that needs to be disturbed as needed
This mobile phone blocker is suitable for classroom, meeting room, library, movie theater and so on. Some education institutions and disciplinary agencies will also purchase the product. It is one of the most popular desktop jamming devices. It has very high power, the jammer range is large, the interference signal output is stable. It has a single frequency switch, and can adjust the output power and control the jamming range.
Coupon Code: PJ0801
This jammer device can jamming all cell phone signals such as 2G, 3G , 4G. Except for cell phone signals, it can also jamming WiFi and PHS signals. The device is available in classrooms, libraries, cinemas, offices and other places where cell phone signals and WIFI signals are prohibited. Because the desktop block device has more jammer range and more stable jammer performance, this device is deeply loved and trusted by customers
The ultra high power desktop cell phone signal jammers can jamming 16 bands, has high applicability. As the most powerful desktop jammer, this device has comprehensive jamming bands, can jamming all mobile phone frequencies, WiFi, GPS, Walkie - talkie and so on. A total of 16 different signal frequencies can be interfered. The range of applications is very wide. This product has a very large range to jammer signals, can block all signals within 70 meters, able to meet the needs of the vast majority of situationsa
Coupon Code: EO0016
This is a small multi-function cell phone jamming device. It can interfere with major mobile phone signals, such as 2G,3G,4G and other signals, as well as WIFI and GPS signals. Has independent frequency band switch, you can turn on the corresponding frequency band for interference. Because it is very convenient to carry, it has become a must for most teachers and drivers.
This is a very portable mobile signal jammer. Due to the convenience of carrying, the weight is lighter, deeply loved by the customer. Can be used and charged in the car. Design small and exquisite, easy to carry. Can continue to work 24 hours a day. Use of advanced cooling system, heat dissipation is very good.
This desktop mobile phone jammers has a very good heat dissipation, with two cooling fans, can work all day long. Use of high hardness black aluminum shell, improve product heat dissipation. On both sides of the inlet, the outlet symmetrical layout of the formation of convection, two silent fans will heat out to ensure that the host work stable
This cell phone blocker has a very convenient single frequency switch. You can choose to open or close a frequency band as needed. With good heat dissipation system, it can work for a long time. Can block the main mobile phone band and WIFI and GPS signals
This is a mini hidden type multi - purpose mobile phone jamming device. First of all, the design of this device is very portable. The size of 20mm*20mm*26mm can be easily put into pocket or backpack. Second, the device has a very strong concealment. The device looks like a portable power source, can ensure that you are not easily perceived by others during your use. Third, although the device is very small, but it can also interfere with multiple signals
It using a new photo-frame design, has a very high hidden performance. Able to jamming all cell phone signals, allowing you to enjoy a quiet moment. Output power of each band can be adjusted by knob and jamming range can be regulated. wireless remote control available to ON/OFF the device in a range of 10 meters. Each band has a separate switch and has LED display light
This 6 bands jammer can jam al cell phone signal: 2G, 3G, 4G, WiFi, GPS. Is the best choice for school, the examination room, office. Can be isolated from the signal to ensure information security. Apply to all kinds of examination room, gas stations, churches, courts, libraries, conference centers, theaters, hospitals, military power and other places prohibit the use of mobile phones
The jamming device is the only one that is currently equipped with an LCD screen. You can clearly observe the data by displaying the screen. It can be more precise. With a single frequency switch button, it is convenient to open or close a frequency band.
This jamming device has a hidden design. You can hide the antenna and not easily noticeable. Has a separate band control button. You can open or close a frequency band according to your needs. This jammer is easy to carry, and you can put it in a backpack or tie it to your arm as needed
This 5 bands jamming device has a very portable design, and it is very convenient to remove the antenna. There are separate frequency switches that can be turned on or off as needed. Effective prevention by GPS satellite positioning tracking, to protect your whereabouts of privacy and confidential information
This jammers can cut the full frequency signal of phone and WiFi signal within 50 meters of the radius. Built-in 8 bands has a very good camouflage performance. The most extensive frequency range: 100MHz-2700MHz full coverage. To ensure that the device for a long time to start working without hot, stable performance, safe and reliable
This all cell phone signal 6 bands jammer can jam 2G, 3G, 4G, uhf, vhf signal in 40 meters, effectively protect your personal privacy and information security
This phone holster can effectively jamming mobile phone signals, so you will not be disturbed by incoming calls. When someone dials the phone, you will receive a "The user you are calling is temporarily out of service."
How to choose your mobile phone jammer?
Imagine a noisy phone ringing next to you when you dine quietly. The phone rang when you were watching a great movie. At this time, maybe you need a cell phone signal jammer.
There are many legal purposes for using them in some peoples everyday lives. Cellular based security systems testing, cell phone testing, wireless product testing, and GPS product testing are areas where technicians use them all the time to verify their equipment is working without actually causing unnecessary calls to 911 centers. Many schools, theatres, movie shops, dorms, auditoriums, restaurants, and so forth can also use them legally.
There are many types of blocker cell phone to choose. Each jammer has its own special application range, your can choose products according to needs. If your have any questions, please contact us, we will quickly answer for your.
Now let's start selecting the jammer. First, you need to know what types of mobile jammers are there. According to the interference frequency band classification: 2G , 3G , 4G cellphone signal jammer. According to appearance classification: Handheld telephone blocker, desktop cellphone blocker device, mini type mobile jammer, hidden cell phone blocker. Second, you need to know what frequency band you want to blocker, how much volume is needed and how much range to blocker. The main frequency bands used in the United States of America in communications are GSM850, GSM1900, 3G (850/1900 and 1700/2100) and 4G (Verizon USA 4G, Sprint Clearwire WiMAX and T-Mobile 4G) If you know the above two points, then it will be easy to pick out the right jamming device for you.
Cell phone jamming devices overpower the cell phone by transmitting a signal on the same frequency and at a high enough power that the two signals collide and cancel each other out. Cell phones are designed to add power if they experience low-level interference, so the jammer must recognize and match the power increase from the phone. Cell phone jamming devices were originally developed for law enforcement and the military to interrupt communications by criminals and terrorists. The bombs that blew up commuter trains in Spain in March 2004, as well as blasts in Bali in October 2002 and Jakarta in August 2003, all relied on cell phones to trigger explosives. It has been widely reported that a cell-phone jammer thwarted an assassination attempt on Pakistani President Musharraf in December 2003. When President Bush visited London in November 2004, it was reported that British police considered using jammers to protect the president's motorcade through London.