Jammers with Less Than 40 Meters Jamming Range
Less than 40 meters jamming range jammers are built for users who require wider coverage and enhanced signal suppression compared to compact, 5M & 10M short-range jammer devices. With a maximum effective range of up to 40 meters, these models deliver noticeably higher output power and improved stability.
Desktop Systems and Custom Portable Options
Most products in this category are desktop-style jammers, designed for continuous operation and easy placement. In addition, some custom high-power portable models are available for users who need mobility without sacrificing range.
Browse this section to find high-stability, medium-range jamming solutions that combine power, control, and reliability for professional indoor use.
At TheJammerBlocker, this category is commonly chosen for environments where small portable jammers are no longer sufficient, but full-scale systems are unnecessary. Their coverage is broad enough to protect the entire medium-sized space without excessive spillover.
Showing all 35 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.
428.29$Discover a revolutionary 8 bands carryable mobile signal scrambler designed for the modern age. Featuring omnidirectional antennas and independent frequency band switching, this hot-selling cell jammer product delivers powerful signal jamming capabilities.
- 475.32$
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.
- 449.98$
Introducing our Superior WiFi Camera Blocker, the fool-proof ultimate solution to keep your signals secure and interference-free! With 3 high-performance antennas and effectively block All 2.4GHz &5GHz wireless signals with ease…
- 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.
- 785.25$
This mobile cell scrambler is not only superior in strength, but also the preferred communication security tool for professionals and ordinary users. Buy once and protect your communication privacy for life. You’ll be captivated by its functionality and design.
429.62$This GSM signal isolator is equipped with six antennas, which can cover almost all common mobile phone signals, including CDMA, GSM, PCS, 3G and 4G. Unfortunately, it cannot block current 5G signals.
- 356.63$
This Wifi blocker rejects radio communications from the source, uses broadband scanning technology, can scramble Bluetooth or old and new mobile phone signals, and can prevent location information from being displayed to others. The device exhibits characteristics such as searching the network, no signal, and no service system, providing users with safe and reliable information protection.
- 1,659.15$
This 32-antenna phone and WiFi jammer covers almost all current mainstream communication technologies, and independent switch control ensures efficient shielding while avoiding unnecessary interference. It supports optional wireless remote control and vehicle-mounted adaptation to meet fixed and mobile deployment needs.
- 575.36$
The High Power School WiFi Phone Blocker Jammer is an advanced tool for disrupting mobile phone and Wi-Fi signals, featuring a sleek, modern design. Its discreet appearance allows it to blend effortlessly into any setting, effectively performing its function without drawing attention as a signal jammer.
- 389.20$
Special offer for T-US-W3 desktop WiFi jammers! With an output power of up to 9 watts, it can effectively block all devices running on WiFi band signals (such as monitoring devices, pinhole cameras, 4k HD video transmission, and drone control, etc.). The recommended wall mounting height is 0.8 to 1.8 meters.
- 419.99$
Compared with T-US-06-1, Stationary frequency jamming device T-US-X6 not only inherits the high performance and reliability of the former, but also achieves significant improvement in flexibility, It stands out from similar products with its flexible independent adjustable power switch and multi-scenario customization function.
- 1,178.09$
Introducing this formidable stationary 5G Cell Phone jamming device boasts a full-band signal blocking capability, emitting a spectrum of white noise to suppress a wide array of electronic communication devices in the market.
- 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!
- 841.99$
P-US-016-5 allows you to ensure privacy and security in the hyperconnected world. It is a multipurpose 5G cell phone and wifi jammer that achieves the purpose of jamming by emitting the same radio frequency signal as the target device. Among the many wireless frequency blocker available, the innovation of the handheld 16 bands 5.8 GHz jammers are that it can control the signal you want to suppress through DIP switches.
- 1,039.69$
This ingenious mobile phone jamming device has an extraordinary ability to jam signals across a range of frequencies. The Cell Phone Jammer offers adaptable power settings, allowing it to effectively block cell phone and other communications signals within a 40 meter radius.
- 895.69$
The Wi-Fi signal jammers are like mischievous imp dancing amidst a sea of signals, effortlessly weaving its magic with its 21 antennas. With an aura of disruption, it stands tall against interference, shielding its domain like a vigilant guardian.
- 473.56$
The Silver Fixed Signal blocking device is equipped with eight antennas, which can effectively output interference capabilities up to 40 meters, effectively isolate target signals and ensure indoor communication security.
- 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.
- 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.
- 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.
- 337.45$
Designed for high-intensity and long-term use, this GSM signal jammer for cell phones can achieve continuous 7×24 hours of uninterrupted operation. It supports dual-mode power supply for vehicle and indoor use, plug and play, and is suitable for a variety of scenarios.
749.66$Check out this cell jammer with ten high-gain omnidirectional antennas and an efficient management chip, designed to block multiple frequency bands. Its porous metal shell and cooling fan ensure stable operation under high load without overheating or shutdown.
- 818.69$
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.
- 569.79$
It has three relatively large cooling fans at the bottom, which is the most important “heat dissipation place”, so the wireless network jammers can provide you with interference work uninterruptedly. It also has the ability to interfere with mobile phone signals, that is, the 2G (GSM/DCS), 3G and 4G mobile networks commonly used in our daily life.
- 368.99$
T-US-X03 Jammer can accurately block 2.4GHz (802.11b/g/n), 5.2GHz/5.8GHz (802.11a/n/ac) and Bluetooth signals to completely cut off the wireless communication link. which adopting frequency division independent amplification technology, 2W independent drive for each frequency band, achieving no dead angle signal paralysis within a radius of 30 meters.
849.78$During secret negotiations, it is particularly important to monitor the surrounding radio frequencies in all directions. The cell phone signal suppressor is designed to meet such challenges. It covers all frequency bands from 2G to 5G (including NSA and SA) and WiFi. Whether it is voice calls or data transmission, it can be blocked within the range of 5-40 (the best effect is 200 meters away from the base station).
512.18$The verified gps blocking device, designed much like a Wi-Fi router but with the purpose of blocking signals, emerges as a pivotal tool in such environments. This powerful tracker jamming device, ideal for fixed indoor locations, and explore how it maintains a controlled signal-free zone.
986.27$The biggest advantage of this GPS signal jamming device for car is its innovative integration of similar frequencies, allowing a single channel to block multiple frequencies. This design not only fully utilizes the effectiveness of each channel, but also maximizes its functionality. Whether it is GPS signals, drone communications or wireless cameras, they can all be effectively blocked, providing you with unprecedented protection and convenience.
- 548.98$
This 5G network blocker specializes in interfering and intercepting 5G and various full-band Internet, and mobile network signals. What sets this mobile signal jamming device apart is its individual control for each of the 10 frequency bands, allowing users to toggle them on or off as needed.
- 1,179.36$
In contrast to typical signal jammers, this stationary signal jamming equipment can target 16 kinds of signals, including less common yet widely used Radio frequencies…
- 653.69$
It excels further by precisely targeting and jamming 5G mobile phone network signals within the crucial frequency range of 617-652MHz, ensuring comprehensive signal control in diverse operational scenarios.
- 1,199.00$
Considering using the world leading stationary powerful 5G jammer to create a comfortable private space, without any disturbing from others or devices around.
468.19$This bluetooth signal scrambler allows you to simultaneously interfere with full-band WIFI signals and prevent all locators, trackers, navigators, and UHF/VHF signals operating on the GPS L1 frequency from being blocked. If the drone is operating using 2.4GHz, then it will also be forced to land. With this wireless blockers you can intercept the signal you want to abandon within a range of 20 – 40 meters.
- 1,792.68$
This is a technologically advanced fixed cell blocking device capable of interfering with the latest 5G technology signals. It covers almost all types of mobile networks, 5GHZ frequency bands and satellite signals.
Showing all 35 results
