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 1–40 of 94 results
- 329.99$
Introducing the top-selling cost-effective cell signal jammer, revered for its unmatched performance and sleek black design. This powerhouse portable jammer device is engineered to flawlessly intercept a wide array of signals, saying goodbye to unwanted intrusions.
475.32$Exciting new arrival! Our cutting-edge cell phone blocker is packed with powerful functions and features to deliver comprehensive communication protection. With a sophisticated 10-antenna design, this device adeptly disrupts GSM/CDMA/3G/4G mobile phone signals while also interference with GPSL1, WIFI 2.4G & 5.2G, Lojack, Remote Control, and more, ensuring your communication remains secure.
- 705.16$
Absolutely! Our unique frequency jammers enables you to combat intrusive signals that disrupt communication channels, whether it’s a phone ringing or a text message during an important meeting, or a covert surveillance tactic used by a competitor seeking confidential information. Complete protection against detection by pinhole cameras, especially in high-risk environments like hotel rooms during business travel.
- 1,286.99$
Currently, our latest product, the P-US-027, is a portable 5G cell phone and wifi 6E Jammer equipped with 28 bands. This jammer’s design is distinguished by its well-organized construction, excellent craftsmanship, and ergonomic size and shape, ensuring a comfortable and user-friendly experience.
- 428.29$
Discover a revolutionary 8 bands carryable mobile signal scrambler designed for the modern age. Featuring omnidirectional antennas and independent frequency band switching, this hot-selling cell jammer product delivers powerful signal jamming capabilities.
- 528.98$
Looking for a versatile Cellphone Blocker that’s globally compatible? Introducing the P-US-010-1 — a top-notch cell jammer that stands out with its sleek appearance and formidable capabilities…
- 418.99$
Say hello to the versatile and powerful P-US-08-4 GSM Jammers – your all-in-one solution for disrupting GSM, 3G, 4G mobile signals, 2.4GHz WiFi Bluetooth, and Lojack signals with ease!
- 1,089.99$
Blocking out unnecessary signals is definitely your best protection. Powerful power output of 90w – the all-round interference commander-High Power 5G Phone blocker is worth your investment.
- 497.78$
Want a distraction-free meeting environment? Or want to ensure that students can’t search for answers online during exams? The smartphone jammers can do it with one click! Equipped with a 10-channel built-in omnidirectional antenna plus an original IC chip and integrated circuit, it can fully and stably block all mobile phone and WiFi signal within a range of 5-40 meters.
- 356.68$
By cutting off 8 types of signals within a range of 10-20 meters (see below for details), this phone blockers effectively protects personal privacy and avoids the trouble of being tracked or monitored. This Research-backed cell phone scrambler is about the size of an adult’s palm, but is still easy to carry, solving the problem of being unable to carry large devices when going out.
- 496.16$
This mobile phone reception blocker for home is like an invisible guardian sneaking between conference rooms and classrooms. Cast a wide silent net within a range of 10-50 meters, effectively neutralizing GSM, 3G, 4G, 5G and WiFi signals. The actual range depends on the local signal strength. The built-in antenna is like a commander with unique skills. It can be hung high on the wall or placed on the desktop.
- 925.20$
The cell phone and 4G Internet signal jammer, designed to look like a painting, automatically or continuously blocks the transmission of data over 3G, 4G Internet, Wi-Fi, and GSM networks.
429.62$This GSM signal isolator is equipped with six antennas, which can cover almost all common mobile phone signals, including CDMA, GSM, PCS, 3G and 4G. Unfortunately, it cannot block current 5G signals.
875.42$This 5G jammer is equipped with 12 antennas, which cover a variety of signals with a wide frequency band, including traditional GSM, CDMA and new LTE signals. The low-power design ensures the interference effect while reducing electromagnetic radiation and reducing the impact on the surrounding environment and other electronic devices.
- 678.26$
Imagine a cloak of protection enveloping your vehicle and location, rendering it invisible to prying eyes. The portable 5G Phone Jammers act as a silent guardian, locking out unauthorized wifi and mobile phone signals that seek to compromise your whereabouts.
- 237.99$
Experience top-tier protection with this compact and powerful GSM Jammers gadget that blocks a wide optional range of signals, from GPS to WiFi and even 3G 4G cell phone frequencies, in a radius of 5-20 meters.
- 1,489.57$
Tired of constant phone interruptions? The T-US-016-3 signal jamming device offers the ultimate focus solution. With 16 independent channels, each with its own adjustable power knob (2 to 10 watts), it creates a powerful interference zone up to 80 meters, ensuring uninterrupted concentration based on local signal strength.
- 35.36$
This cell phone signal blocking bag is used to block signals from a single phone placed inside. This feature is particularly useful during meetings to prevent information leaks through the phone and avoid unwanted calls.
- 735.69$
The P-US-010-5 GPS navigation Blocker we introduce to you is different from the ordinary jammers on the market that eliminate 10 antennas and 13 frequency bands at the same time. It is even better. When it comes to wireless communications or location tracking, we have a reason to be a private privacy advocate.
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.
- 936.49$
This 12 frequency bands of the cellular jammer cover mobile phone, WiFi, and GPS signals within a range of 1-15 meters. The shell is made of black aluminum alloy and the surface is anodized, which has durability, anti-oxidation and corrosion resistance. In addition, it has a heat dissipation device that other jammers cannot match.
749.66$Check out this cell jammer with ten high-gain omnidirectional antennas and an efficient management chip, designed to block multiple frequency bands. Its porous metal shell and cooling fan ensure stable operation under high load without overheating or shutdown.
1,388.74$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.
- 901.28$
Equipped with powerful 18-band functions, this versatile 5G mobile internet jammers can be with you at all times. Lightweight and portable, whether it is traveling or business negotiations, it can be used at any time.
- 256.37$
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.
- 119.89$
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.
- 849.78$
This 46W, 8-antenna Bluetooth desktop jammer covers up to 60 meters with a high-gain omnidirectional antenna that targets only receiving signals. Need to block just the 2.4G signal without affecting others? We offer fully customizable jamming solutions tailored to your specific needs.
- 818.69$
This 12 bands signal jammer can block almost all common signal types. Each antenna is detachable and supports a 90-degree folding design, which allows flexible adjustment of the antenna angle and layout according to different scenarios to ensure maximum signal interference effect.
- 433.75$
The handheld P-US-12-1 5G signal scrambler blocks 12 frequencies, including all cellular bands, WiFi, and GPS. It covers a range of 5 to 20 meters, ideal for users needing multi-frequency jamming.
679.99$Introducing the T-US-08-6, a state-of-the-art iPhone cell phone jammer for classroom taking the education industry by storm! This simple to use high power Wi-Fi blocker is designed to provide comprehensive signal shielding for iPhones or other mobile devices in classrooms, conference rooms, or exam rooms. Its simple and stylish design makes it easy to install on the wall or desktop, ensuring you can focus on studying or teaching without any distractions.
- 425.36$
P-BIN08 is a versatile wall-mounted GSM 3G 4G jammer designed for large-scale use. This device offers easy installation at home or in the office, meeting a variety of needs. It is a valuable tool for teachers looking to maintain the confidentiality of exams and facilitate focused learning for students.
- 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.
- 721.16$
From 5G down to 2G cellular signals, it ensures comprehensive coverage, providing users with enhanced control over their communication environment. This P-US-016-4 mobile network blocking equipment doesn’t just stop at cellular signals. It goes beyond to disrupt connections to various device frequencies, including WiFi, GPS, and more.
- 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.
- 1,198.25$
Exciting news! Allow us to introduce our meticulously designed Cell Phone jammer, crafted to elevate your experience with its versatility and exceptional features. This world leading signal blocker comes equipped with DIP switches and an LCD display, ensuring effortless operation and monitoring at your fingertips.
- 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.
Showing 1–40 of 94 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.
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).
