Understanding Cell Phone signal Jammers
Cell phone Jammers operate by emitting signals on the same frequencies as mobile phones, effectively overpowering and nullifying them. Since mobile phones are full-duplex devices that use two separate frequencies for sending and receiving data, Jammers can disrupt one or both frequencies, causing the phone to believe it has no signal. Basic jammers may block a single frequency band, while more sophisticated ones can obstruct multiple networks at once, such as CDMA, TDMA, GSM, PCS, DCS, as well as 3G, 4G, and 5G networks.
Showing 41–80 of 118 results
- 366.99$
Unlike the old desktop GSM blocker device with 5 antennas, the T-US-P5 has been upgraded to a new version with an adjustable button to make the jammer easier to use, the maximum suppression distance can reach 40M. if you want to use this desktop signal blocker in a car, just use the car charger and connect it to the car.
156.58$The PUS-JMC5 GSM signal isolator covers 2G, 3G, and other bands within 5-20 meters, using advanced isotope antenna technology and downlink interference. It prevents interruptions from phone rings and satellite tracking.
455.26$The Exclusive Mobile GPS Jammers device has smart buttons, a complete cooling system and independent frequency control, and can easily withstand all common device signals within a distance of 2-20m, making it the best choice to prevent information leakage.
- 1,489.75$
The suitcase type 5G signal blocker is designed for medium and large spaces and is suitable for signal shielding in an area of 200 to 400 square meters. There is a convenient carrying handle on the top of the device, which is convenient for moving to different locations. It is equipped with an intelligent temperature control system to avoid damage caused by excessive local temperature.
749.66$Check out this cell jammer with ten high-gain omnidirectional antennas and an efficient management chip, designed to block multiple frequency bands. Its porous metal shell and cooling fan ensure stable operation under high load without overheating or shutdown.
1,788.74$Check out the P-US-T80 signal jammer! It covers all modern cellular communication blocking methods, and can also neutralize Wi-Fi and even drone signals. It has a built-in high-gain directional antenna and is ready to use right out of the box. It comes with a convenient carrying handle and three different styles of wall mounting options, allowing it to appear anywhere a signal needs to be blocked.
- 456.37$
This simple and portable signal jammers for GSM GPS looks like a Power bank and can be carried daily, because it is only 100 grams, which may be lighter than your iPhone. And you only need to turn on the POWER SWITCH on the right side, it will block PCS/CDMA/GPS/Glonass signal at the same time within 10 meters.
- 439.89$
This Mini cell phone jammer, which looks like an ordinary mobile phone and a mobile power bank, has become a “must-have artifact” for important occasions. Whether you hold it in your hand, put it in your pocket, put it in your bag, or quietly place it in the corner of the dining table, it can play a role in a hidden and practical way.
- 588.12$
This phone signal blocker looks like a high-end electronic weight scale and can be easily integrated into any environment. With just one button, it can accurately interfere with mobile phone and WiFi signal within a range of 1-10 meters. It can be placed on the desktop, mounted on the wall, or installed on a tripod.
536.27$Want to bring some order to the chaotic signals around you? Choose this phone and bluetooth jammer, which drowns out various wireless communication signals and prevents devices from connecting by generating “white noise” (electromagnetic interference) in the interference frequency range.
- 2,236.58$
This High Power Signal Isolator, equipped with six high-gain antennas, uses advanced UHF broadband interference technology to shield multiple signals, with an output power of up to 30W in a single frequency band. Each channel is equipped with an independent switch, which can shield specific signals in a targeted manner, making it very suitable for environments that require refined signal control.
- 121.99$
The CDMA GSM cell phone blocker is only 9.5*4.5*1.8CM and weighs only 0.068KG, which is the size of a mobile phone or lighter. Therefore, you can hide it better in your bag or pocket. Our devices come pre-configured from the factory, which is why we offer three different frequency options. You can choose the appropriate configuration according to your needs.
2,360.25$The T-US-K05 4g Phone Jammer blocks unauthorized calls and disrupts eavesdropping devices on various frequencies, ensuring privacy and confidentiality during meetings by creating a secure communication barrier. Ideal for protecting sensitive discussions.
- 488.76$
This T-US-615 4G cell jammer can cover mobile phone signals within a range of 10-40 meters. It is equipped with 6 detachable and 90-degree foldable antennas, which can independently control the frequency band. It supports in-car charging and OEM configuration.
- 9,999.85$
The USWR08 Military Manpack RCIED Jammer is a versatile backpack jamming system designed to protect VIP’s and groups of individuals from Radio Controlled Improvised Explosive Devices (RCIED) by disrupting the radio signals used to detonate the explosives in high-risk areas.
594.33$Don’t want to be disturbed? Let 4G phone and bluetooth signal blocker help you solve the problem. The device can suppress the main communication frequency bands (from traditional GSM and CDMA to 4G and even Wi-Fi). Instead of blindly conducting broad-spectrum interference, it selectively isolates information in a designated space. The non-logo design allows it to be hidden in places you don’t want to be noticed.
758.45$As a high-quality “noise reduction artifact”, T-KEDP phone signal jamming device can interfere with the signals of various communication devices (such as mobile phones, IP CCTV cameras, monitoring equipment, etc.) within a radius of 15 to 20 meters. It adopts an integrated structure with built-in antenna, and no additional external antenna layout is required.
- 2,119.26$ – 2,169.26$
Use the 135W fixed 4G iPhone mobile phone scrambler to quickly block signal interference in standard GSM, GPS and other frequency bands (covering the 700MHz to 2700MHz frequency range), covering a signal restricted area with a radius of up to 150 meters. Support 24 hours of continuous operation.
- 1,349.36$
Desktop 5G cell phone Jamming device that integrates multiple signal shielding functions. It adopts a silver metal body, and its streamlined design is not only beautiful but also easy to maintain. The heat sink of the body is neatly arranged, and the bottom is designed with dense heat sink fins to help improve heat dissipation efficiency.
- 556.23$
The phone jammer W-US-08 can block cellular, WiFi and UHF/VHF signals at the same time. Independent knob switches and status indicators are set on the control panel. Need to block 4G data but still allow basic 2G calls? W-US-08 can meet your needs.
- 215.36$
The affordable pocket-sized GSM GPS jammer P-US-G6 can disrupt GPS, BeiDou, Galileo, GLONASS, GSM, and GPRS signals. With a coverage range of up to 15 meters, it effectively blocks target signals without any blind spots, offering users a versatile and efficient signal jamming solution.
- 3,899.99$
The FS120W high power cell phone jammer is an effective device that can block cell phone signals within a range of up to 200 meters. It covers a range of frequencies including CDMA 800 MHz, PCS/PHS 3G 2100MHz and 4G2500Mhz , making it versatile for disrupting communications on different networks.
- 399.69$
A stationary powerful GSM 3G jammer with an internal battery, which makes it portable at the same time.
- 489.36$ – 539.36$
As people gradually pay more attention to privacy, our technicians have specially developed this best jammers block cell phone signals according to different needs, which means that it can block different types of radio frequency signals at the same time—— Including 2G-4G mobile phone signal & 2.4GHZ wireless network (including Bluetooth).
- 659.15$
8 bands jammers that can effectively interrupt 4G mobile phone and 2.4G WiFi signals within a range of 5 to 20 meters. They use explosion-proof and sun-proof flame red die-cast shells. While being sturdy and durable, they also enhance the safety warning effect through conspicuous colors, reminding users to pay attention to potential dangers around them.
- 1,299.17$
Desktop mobile phone scramblerspecializes in blocking CDMA 800/PCS networks, intelligently suppresses communication links through adaptive noise signals, and is compatible with 50Ω external antennas to increase the suppression range. It supports smooth power adjustment and interference area customization.
- 289.16$
The emergence of innovative solutions such as the 4 antennas electronic device frequency blockers not only do these devices stand out with their gold design, but they also provide a reliable way to prevent the transmission of specific frequency signals such as 2G, 3G, and GPS.
- 539.98$
The 8 bands mobile phone jamming device can effectively jam 2G 3G 4G cell phone signals, and can also block GPS, WiFi and other frequencies. It has eight working antennas, so it can simultaneously stop eight different frequency bands at a distance of up to 40 meters. You can set the parameters manually – or turn it off if you don’t want to interfere with any signals.
8,745.89$This 4G signal blocker has 6 independent channels and only interferes with the downlink frequency of the mobile system. The lid’s edges are sealed with large rubber gaskets to keep the interior dry.Equipped with overload, overtemperature and VSWR circuit protection functions. Modular design simplifies maintenance and parts replacement.
- 729.99$
Don’t hesitate any longer! Protect your peace of mind with our T-US-08-5 Indoor 5G jammer for cell phone signal! Block all spam calls, WiFi camera surveillance or GPS tracking!
- 1,688.08$
The key advantage of T-US-719 is its excellent reliability and durability. The shortest use time can reach 10,000 hours. In fact, the average life of this model is not less than 10 years. Therefore, the price of T-US-719 will be slightly higher than other equipment of domestic manufacturers.
- 349.99$
The T-US-06-6 desktop WiFi GSM jammer has adjustable output power function, allowing you to control the signal strength and coverage area. With its powerful built-in high-efficiency double-blade fan, the device can effectively dissipate heat and provide 24/7 continuous operation.
- 8,499.79$
The 5G cell phone WiFi jammer P-US-00-15 uses multi-channel segmented independent shielding technology to ensure accurate locking of shielding signal targets. It uses an omnidirectional antenna array to control mobile phone and WiFi signals within a range of 10 to 50 meters.
- 3,439.25$ – 3,489.25$
This high-gain mobile phone jammer simultaneously or selectively blocks multiple communication signals, covering an average range of 80–140 meters, extendable to 300 meters in ideal conditions. Its omnidirectional antenna ensures 360-degree coverage, eliminating the need for frequent directional adjustments in dynamic environments.
- 416.31$
One of the standout features of this celluar signal jammer is its ability to selectively disable frequencies. Users can choose to allow one or more bands to remain active while shutting others down. This flexibility ensures that you can tailor the jamming functionalities to specific needs without disrupting other bands.
349.78$This desktop 5-antenna 3G jammer blocker supports manual adjustment of interference intensity, 0-2W power can be smoothly controlled, and 0-50m range can be accurately blocked. It can handle conference room partition control, laboratory sensitive equipment protection, and small-scale suppression near windows.
- 408.99$
Looking for a blend of style and functionality in a mobile jammer? Look no further than the P-US-06-3 smart 4G signal blocker! Embracing a sleek military camouflage design, this jammer combines aesthetics with cutting-edge technology to keep you in control.
- 349.79$
The future technology 10-antenna adjustable 5G cellular network blocking device not only disrupts 5G signals but also serves as a GPS and Wi-Fi scramblers, offering extensive functionality in a sleek design.
- 1,877.25$
T-US-RS powerful signal suppression equipment adopts digital baseband signal synthesis (DDS) technology, which can not only suppress traditional GSM signals, but also provide strong interference protection for modern broadband communication networks (such as UMTS, LTE and 5G), and support remote programming and control via Ethernet connection to a PC.
- 1,753.86$
This waterproof wall-mounted Ultra-high power jammer for cell phone signal has a built-in 8-band antenna and a powerful 150W high power output, effectively blocking mobile phone signals and WiFi signals. Equipped with a user-friendly ON/OFF switch. The built-in directional antenna allows users to freely switch different frequency bands according to their needs to achieve the best jamming effect.
Showing 41–80 of 118 results
Looking to maintain peace and privacy in areas where mobile communications need to be restricted? Look no further than cell phone jammers, people also known as mobile signal blockers, designed to interrupt the signal transmission and reception between telephone and cellular towers. TheJammerBlocker offers a wide variety of these smart phone jamming devices to cater to diverse needs.
Our selection of mobile cell jammers includes models tailored to disrupt various mobile phone networks, from GSM (PCS 1900, CDMA 850) to 5G networks.
Types of Cellular Jammers and Their Characteristics:
Cellular jammers are categorized into three main types:
- Fixed Jammers: These are large, powerful models with a wide operational radius, featuring at least 10 antennas. Ideal for professional events, they operate around the clock to ensure comprehensive signal blocking.
- Portable cell phone Jammers: These compact devices are designed for short-range use and powered by an internal battery. They are perfect for small events where confidentiality is crucial.
- Shielding Bags: These bags, such as Jbags, hide the location of a specific device on any map. They have two sections: one for blocking communications and another for preventing harmful radiation.
These devices are useful in any setting where silence is required and help prevent eavesdropping through GSM vulnerabilities.
Mobile phone jammers are divided into two categories:
- Area-Wide Suppression: These devices generate radio frequency interference, preventing mobile phones from connecting to base stations. The range can vary from 3 to 50 meters, depending on the jammer’s power and the proximity of the base station.
- Targeted Influence: These devices detect specific phones and signal the operator that a particular phone is in an inaccessible area.
To protect mobile phones, jammers operating on GSM or CDMA channels are typically used. Therefore, buying a cell phone jammer means protecting yourself from all types of information leaks and having confidence in long-term confidentiality.
Why you need buy Phone jammers from TheJammerBlocker?
At TheJammerBlocker online store, we prioritize quality and reliability in all our mobile network Blockers products. Each signal stopper undergoes rigorous testing before leaving the factory to ensure its effectiveness in blocking mobile phone signals and preventing communication disturbances. Our dedicated team is committed to providing exceptional customer service and guidance to assist you in selecting the ideal GSM jammer for your specific requirements.
Embrace control over telephone usage in your surroundings with our 5G cell phone Jammer solutions. Explore our range today and cultivate a more serene and secure environment in any setting.
Read More about Exam Room 5G Jammer TX-NZ50W
How to smart choose the right mobile phone blocker from our store?
When selecting the perfect cell phone signal blocker from our store, it’s crucial to avoid common pitfalls and make an informed choice that aligns with your requirements. Here are some key points to guide you in selecting the most suitable mobile blocker for your needs:
Understand the Target Device Frequency: It’s essential to know the frequency of the smartphone device you wish to block. Opt for a cellular jammer that covers the specific frequency range of the target device for optimal effectiveness.
Consider Target Device Power: The power of the target device influences the intensity and reach of its signals. Choose a cell phone scrambler with sufficient power to effectively suppress the transmission and reception of signals from the target device.
Evaluate Application Environment: Your usage environment plays a significant role in selecting the right signal disruptor. If you require mobility, go for a portable jammer. For stability and durability, opt for a desktop 5G jammer. In complex environments with obstacles or close proximity to base stations, prioritize high-power cell phone jamming device.
Mind the Interference Distance: Select a cell signal blocker with an interference distance suitable for your needs. For instance, shorter distances may suffice for conference rooms, while larger venues may require longer interference ranges.
By considering these factors diligently, you can confidently choose a cellphone jammer that caters to your specific requirements.
How to use a cell phone signal jammer?
Using a jammer is very simple. Simply screw the antenna into the device, turn it on, and wait about 10 seconds. During this time, it will block all signals within its range that need to be blocked.
Important tips:
1. Never turn on the blocker until it is fully assembled.
2. When fixing, the markings on the antenna and the housing must match (improper fixing will cause the blockers to degrade or malfunction);
3. After connecting the antenna, check that the power switch is in the “ON” position, the generator is turned on, and the power indicator lights on each band are green;
4. a: { For handheld cell jammers } Each band can be turned on and off using the dip switch located above the indicator light; (the specific bands controlled by the dip switch are detailed on the side of the box )
b: { For adjustable desktop mobile phone jamming devices } Each band can be turned on and off using the button located below the antenna; of course, this button can control the power level, and thus the distance at which the jammer blocks the signal.
5. Place the scramblers in a well-ventilated area.
6. The antenna should always be placed vertically.
7. Avoid large objects to avoid shielding;
8. If used outdoors, make sure the device is dry.
9. Do not touch the antenna when the device is active.
10. When used in a car, make sure the car adapter provides 12V output, because the scrambler runs on 12V DC (Some blockers run on 24 DC, see the product specific introduction for details).
