SHOP SIGNAL JAMMER BY CATEGORY
Selected mainstream cell phone frequency jammer categories, click on the picture to enter the relevant page, helping you quickly find the jammer device that best suits your application scenario.
- Can jam 2G/GSM, 3G, 4G, 5G and other mobile cellular signals
- Independent switches control each frequency band
- 5-100M suppression range optional
- Portable, Desktop, Wall-mounted types available
Cell phone jammers can be used to shield mobile communication signals in a specific area, creating a quiet, safe, and undisturbed environment.
- Can block 2.4GHz / 5GHz wireless network signals (some models can block WiFi6E)
- Privacy and security protection (anti-sneak protection, anti-remote monitoring, illegal data transmission)
WiFi network jammers prevent devices from connecting to the Internet in a specific space to ensure information security or maintain management order. They are often used for confidential meetings, important negotiations, examination room management, parental control, etc.
- Jamming civilian GPS (L1/L2/L5/), GLONASS, GPS L3/L4 (military scientific research purposes)
- Anti-tracking, anti-positioning, blocking navigation signals
- USB, OBD mini design, portable and car-mounted styles available
These device will interfere with GPS and GLONASS. Use these GPS tracker blockers to protect yourself from unwanted tracking or remote monitoring.
- Effectively shields common drone control frequency bands (2.4GHz / 5.8GHz), positioning signals.
- One-key expulsion / forced landing function
- Low-altitude drone defense
- Various models available, including handheld, backpack, vehicle-mounted, fixed, etc.
This Jamming device can interfere with the commonly used control bands of drones, GPS/GLONASS satellite navigation signals, and image transmission signals, and drive away / force landing illegal UAVs(Quadcopter-drones) with one click.
- Supports interference with common remote control frequency bands such as 315MHz, 433MHz, 868MHz, 915MHz.
- Car keys, garage door remote controls, remote bombs, remote alarms.
- Interference distance ranges from a few meters to 100 meters.
The device is mainly used to block car key (lock) signals to prevent unauthorized remote operations (car remote controls, remote alarms) or potential security threats (such as remote bombs).
- Effective block UHF (400-500MHz) and VHF (135-174MHz) frequency bands
- Interfere with communication signals of walkie-talkies, wireless microphones, radio broadcasts, FM and other equipment.
- Anti-leakage
UHF/VHF jammers are used to shield radio calls and audio transmission signals to prevent information from being illegally sent or received in a specific area.
- Protect voice privacy and confidential conversations
- Block eavesdroppers, voice recorders, cell phone microphone recordings
- Suppress all types of recorders
Anti-recording Blocker can jam the pickup function of recording devices by emitting white noise or ultrasonic waves, preventing private conversations from being eavesdropped or recorded without your knowledge.
- Full-band coverage, one machine with multiple functions
- High power output, strong signal suppression
Military-grade stability - All-weather working ability
- Military, prison, large private venues
Multi-function high-power jammers are mainly used to suppress multiple wireless signals simultaneously in sensitive areas to build a safe control space that fully isolates external communications and positioning.
- Scan for eavesdroppers, cell phone microphones, hidden recording devices and wireless microphones
- Detect hidden cameras
- Find GPS tracking devices in cars
- Detect Common spy devices
This RF scanner (some people call it Cell phone Detector, Camera finder, Bug Detector) device supports detection of signals from low-frequency wireless remote controls (such as 315MHz, 433MHz) to high-frequency WiFi, Bluetooth, 5G/4G cell phones, GPS, etc., covering common spy devices, positioning devices, wireless cameras, hidden monitors, cell phones and other transmission sources.
- High-precision real-time positioning
- View real-time location, trajectory playback, speed information
- Sound, light and vibration alarm, electronic fence
This device is mainly used for vehicle anti-theft, elderly/children/pet care, logistics tracking, asset management, special personnel supervision and other purposes.
🏆 Best-selling Signal Jammer recommendation (2025 Hot-selling model)
The signal jammer displayed here are of first-class quality, high cost performance and widely praised by customers. Come and buy them!
P-US-08 – 8 Bands portable GSM Cell Phone Jammer
P-US-12-1 – 12 Antennas 5G Phone and WiFi Signal Jammer (12W)
P-US-01 – Mini WiFi/Bluetooth Jammer for 2.4GHz (0.8W)
P-US-04 – Portable 4 bands Wi-Fi Signal Jammer for Spy Camera
View more best-selling jammer product parameter comparison tables, quickly match the signal blocker that best suits you！
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Where are electronic network jammers often used?
Family Space: Press the "mute button" for life
Are you tired of the embarrassment of keeping your phone in your hand at the dinner table? Use the T-US-012-2 Desktop 12 Bands Electronic device Scrambler to block signals in a small area in the living room or bedroom, providing a pure "disconnected corner" for family, reading or rest time, so that technology is controlled by people instead of being the master.
Education scenario: Guardian of concentration
The proliferation of mobile phones in the classroom has become one of the biggest sources of interference in teaching. With T-US-NZ10 Mobile phone Silencer, teachers can enable signal shielding during teaching hours, allowing students to focus on the blackboard rather than the screen, creating a good learning atmosphere. Some models also support timing control and regionalized interference, suitable for multiple classes to rotate.
Privacy protection: Make eavesdropping impossible
In private conversations or sensitive activities, signal leakage often means privacy risks. Deployment of signal jammers, such as the P-US-12-1 Portable 5G Cell Phone Wifi GPS Signal Blocker, can effectively shield wireless monitoring devices and mobile phone signals, and build a "silent barrier" for conference rooms, hotel rooms and even home spaces.
Business workplace: blocking information security from the source
Financial statements, R&D data, business talks... In an office environment where information circulates frequently, a mobile phone may also become a potential "leakage point". Using T-US-011 Commercial Anti-Leakage Cell Phone and WiFi Jammers, Bluetooth, Wi-Fi and cellular signals in a specific area can be blocked to ensure that data is not privately transmitted or leaked.
Government military and police: invisible warriors defending communication security
Government agencies and military sites have almost stringent requirements for communication security. Signal jammers have become a key tool to combat espionage and block remote control of illegal drones. For example, the Backpack-W1 Military Backpack Drone Radio Jammer supports multi-band simultaneous interference, effectively covers Wi-Fi, GSM, GPS and other channels, and ensures that mission communications are not intercepted.
Medical institutions: escort equipment
High-precision equipment such as heart monitoring and nuclear magnetic resonance imaging are extremely sensitive to electromagnetic interference. Deploying T-US-022 Medical Stationary full-band Signal Jamming Device in the intensive care unit or operating room of a hospital can prevent mobile phone signals from interfering with diagnostic equipment, improving diagnostic accuracy and patient safety.
Explore Our Latest Insights
Stay ahead with expert tips, tech updates, and practical advice on signal protection and privacy—straight from the source of jammer field.
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Video
Quickly understand the principle and application of signal jammers, 1 minute to show you how it shields wireless signals.
Buy the Advanced and Trusted Signal Jammer online from TheJammerBlocker™
In an age full of signals and surveillance, true freedom comes from controlling privacy.
Whether you want to prevent eavesdropping, counter GPS tracking, block mobile phone harassment, or create a “quiet zone” for a meeting space, TheJammerBlocker™ provides you with industry-leading high-performance signal jammers.
What is a signal jammer? How does it work?
A Signal Blocker (Frequency Jammer) is an active RF shielding device that emits electromagnetic waves of a specific frequency to conflict with the signals of mobile phones, GPS, Wi-Fi, cameras and other devices, making them unable to receive or send data within the coverage range.
This means: no tracking, no monitoring, no interference.
Why buy a signal jammer device?
In the following scenarios, electronic jammers can provide you with key protection and convenience:
✅ Anti-eavesdropping: Shield GSM monitors to ensure call privacy
✅ Anti-tracking: Interfere with GPS signals to prevent vehicles or people from being located
✅ Meeting mute: Prevent mobile phone ringing and interference during meetings
✅ Wireless camera blocking: Interfere with WiFi or wireless monitoring to prevent privacy leakage
✅ Full information protection: Multi-band models support simultaneous blocking of mobile phones, Wi-Fi, Bluetooth, and GPS
No judgment, no record, no trace – a true Privacy and security tools.
How to choose a suitable jammer? Key points you need to know:
Different industries and personal needs correspond to different models. Here are the parameters you need to focus on:
🔹 Frequency compatibility: Make sure the device supports the 5G frequency band used in the United States (617-652MHz, etc.)
🔹 Interference range: From 3 meters at close range to 2 kilometers at long range, multiple models are suitable for different scenarios
🔹 Power supply method: USB power supply, built-in lithium battery, car cigarette lighter or wall plug power supply are all available
🔹 Portability or fixed: Car/portable models are suitable for mobile use, and fixed models are suitable for long-term coverage
🔹 Multi-frequency interference capability: Mobile phone + GPS + WiFi integrated model (such as P-US-12-1), stronger adaptability
🔹 Excellent heat dissipation performance: Ensure stable operation of the device and improve durability
💡 We recommend avoiding models with built-in antennas, and prefer devices equipped with external or directional antennas to improve interference efficiency
Beware of false parameters, traps to avoid when purchasing
Many online platforms (especially some Asian or Amazon signal blocker supply sites) often exaggerate the interference range by 5-10 times.
These claims are usually accompanied by disclaimers such as “tested at only 20% of the signal tower power” –
which is not representative at all in reality, especially in dense urban environments (such as Los Angeles, New York, Chicago).
At TheJammerBlocker™, we only publish test results in real scenarios, and refuse exaggeration and misleading.
TheJammerBlocker™ – America’s most trusted online frequency jammer shop.
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✔ Customization: Customized according to the application scenario
✔ Best price guarantee: If you find a cheaper portable cell phone jammer on other websites, we will refund the difference
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TheJammerBlocker™ does not just provide electronic jammer devices, but builds a right to control your space for you.
Whether it is personal privacy, corporate confidentiality or daily peace of mind, we have prepared the right solution for you.
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