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All Signal Jammers for Sale from our selection
Don’t allow intrusive signals to encroach upon your personal space any longer. Take control of your privacy and security with the help of top-of-the-line signal jammers at thejammerblock.com.
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Showing 1–40 of 348 results
869.25$This low-key speaker-like jammer can effectively prevent eavesdropping and recording restoration by emitting ultrasonic waves and pseudo-voice noise to the microphone, interfering with the microphone’s sound pickup and software noise reduction processing.
5,974.02$This UAV blocker covers six frequency bands from 400MHz to 5.8GHz, and can suppress intruding flight equipment in all directions. Once activated, it can cause fatal blows to the target, such as remote control loss, image transmission interruption, and navigation drift. It supports group strikes and can intercept multiple targets at the same time.
9,849.05$This high-power UAV signal blocker is specially designed for tactical vehicles. The three-band parallel module accurately locks the 700MHz to 1000MHz mainstream flight control link. It effectively interferes with the common signals of UAV (including analog and digital links). It builds a protective circle around the armored vehicle and its surroundings.
- 78.96$
This bank card-sized signal scanner can scan the 50 MHz to 3000 MHz frequency band for loopholes and issue visual and audio warnings. It provides two operating modes: “search” and “acoustic binding” to cope with different troubleshooting scenarios.
- 1,299.99$
The P-US-030 is a next-generation, full-spectrum signal blocker designed for users who require absolute control over modern wireless environments. Its combination of power, efficiency, and frequency breadth makes it one of the most advanced portable jammers entering the market in 2026. Engineered with 31 independently switchable bands, P-US-030 can jam almost every mainstream communication protocol used worldwide-including 2G/GSM, 3G, 4G, full-band 5G (sub-6 GHz, n77/n78/n79), WiFi 2.4G/5G/6E/7E, GPS L1-L5, FM broadcasting, LoRa, VHF/UHF, and many more.
- 167.84$
Need to mute your phone or disconnect your WiFi in certain situations? This cellular and bluetooth jamming device, as compact as an old-fashioned walkie-talkie, can block signals on four channels, making it easy to carry around and deploy on the go.
- 359.62$
This portable mobile phone blocker effectively protects against threats from cellular (including powered-off phones), Wi-Fi, and Bluetooth signals. It comes with three customizable channels and intuitive PC software that supports one-touch switching between multiple presets for personalized defense.
- 116.34$
This signal isolator is as small as a cigarette box and can protect against satellite positioning devices working in the GPS and GLONASS frequency bands. It can block location, trajectory, speed and other data in real time. It supports 12V / 24V vehicle power supply and is compatible with various power supply systems of small cars and large trucks.
1,189.74$This desktop recording blocker disguised as a digital clock is designed to prevent traditional eavesdropping devices such as voice recorders. It supports 7-meter remote control and can be stacked with office supplies for concealed deployment.
- 439.02$
This dual-control (adjustable + remote control) fixed frequency jammer can accurately lock the CDMA, PCS, 3G, and GPS L1 frequency bands. The knob can be used to fine-tune the interference intensity of each frequency band one by one, and the customized solution ensures that only the target signal is targeted.
- 558.77$
This GSM frequency jammer supports custom frequencies and is compatible with the frequency standards of mainstream operators and special missions around the world, covering all common wireless signals within a 25-meter radius. The built-in power adjustment knob prevents accidental touches or deliberate damage.
- 12,799.03$
This fixed and powerful signal suppressor is equipped with 8 high-gain omnidirectional antennas (optional), covering the current mainstream 4G LTE, WiMAX networks and various civil/commercial drone systems. The independent switch knob allows you to turn on or off a jammer module at any time.
- 1,549.28$
Is it difficult to determine whether there is a device secretly transmitting data in the confidential room? Let this powerful blocker increase your confidence in controlling information security. 4 high-gain omnidirectional antennas independently control the mainstream data transmission frequency bands, blocking the communication ability between mobile phones and eavesdropping devices in real time to ensure the security of important data.
- 79,999.99$
Don’t be fooled by its umbrella-shaped appearance – UDJS-3N is a highly integrated, easy-to-deploy portable anti-drone jamming system. Designed for rapid response and all-weather deployment, it can accurately strike all types of commercial drones within 1.5 kilometers, including mainstream brands such as DJI, Autel, Parrot, Yuneec, Skydio, etc.
- 18,739.06$
This powerful 4G signal scrambler host is enclosed in a waterproof, dustproof, and vandal-resistant rugged chassis, designed for extreme environments. It can accurately paralyze LTE communications and block eavesdroppers operating in the channel, and supports flexible configuration of omnidirectional or directional antennas.
856.14$Disguised as a ceiling light, this compact microphone blocker hides in plain sight and uses 24 ultrasonic transmitters to transmit in the 24-26 kHz band, which is imperceptible to the human ear, to prevent illegal recording and protect sensitive discussions.
- 869.33$
This concealed recorder suppressor uses 48 circular transmitting units to achieve 360° ultrasonic interference without dead angles, accurately interfering with mobile phones, recorders and other sound pickup devices, while blocking 4G calls, WiFi and other signal channels, shielding the entire link from recording to data transmission.
- 135.98$
This compact mobile cell jamming device can effectively block 2G voice calls, text messages and other basic communications. It is as light as a mobile phone and can be easily put into a pocket, and its low-key operation makes no one notice it.
- 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.
- 95.48$
Don’t want your signal to be tracked? Simply put your mobile phone, car keys and other devices with wireless modules into this shielding bag and seal it properly to instantly block cellular network, WiFi, GPS positioning, remote control, RFID/NFC and other signals.
- 279.88$
This low-profile portable locator integrates GPS, GLONASS, LBS and other six-fold positioning, and can accurately track indoors and outdoors. It provides three tracking modes, electronic fence, voice monitoring and other functions, and is compatible with 2G SIM cards to protect the safety of your family and property.
- 247.33$
This cat’s paw shaped locator adopts the new GPS+LBS+AGPS+WIFI quadruple positioning technology, supports the setting of multiple electronic fence areas (300-500 meters recommended), accurately monitors the dynamics of your pet, and reduces the risk of getting lost.
- 99.95$
With just a simple click, you can power it on or off, ensuring utmost convenience in usage. Whether you seek to evade wireless camera monitored in public spaces or safeguard your personal network security, this adorable and compact bluetooth signal jammer is tailored to meet your every need.
- 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.
- 66.89$
A-Tag Apple tags use decentralized positioning technology to build an intelligent tracking network through encrypted Bluetooth signals. When your tagged items leave your side, any nearby Apple device will automatically capture its signal and upload the location information to the Find My network through a secure relay – the whole process is like making hundreds of millions of Apple devices around the world your private search radar.
- 366.99$
G619 is a high-precision RF Detectors that covers an ultra-wide frequency band of 300-8000MHz and can detect wireless eavesdroppers, hidden cameras, GPS trackers and various RF signal sources (such as Wi-Fi, Bluetooth, 2G/3G/4G, etc.).
349.78$This desktop 5-antenna 3G jammer blocker supports manual adjustment of interference intensity, 0-2W power can be smoothly controlled, and 0-50m range can be accurately blocked. It can handle conference room partition control, laboratory sensitive equipment protection, and small-scale suppression near windows.
- 4,269.08$
T-US-G601 is a cylindrical anti-drone GPS jammer. It effectively jams GPS, GLONASS, Galileo and other satellite navigation signals by directional emission of 1.2GHz/1.5GHz frequency band jammer signals. The target drone will lose its positioning capability within the radiation range and be forced to hover, return or make an emergency landing. The maximum effective radius is 3 kilometers, which is suitable for sensitive area protection, privacy protection and military purposes.
- 199.25$
Own this 2-antenna jammer! It uses two detachable SMA interface antennas to jam two signals. The lightweight Skinner protective cover can protect the internal electronic components, and the equipped car cigarette lighter charger makes it flexible to deploy in mobile scenarios.
- 249.36$ – 305.79$
Portable 5 bands car-mounted GSM 3G cell portable jammer , 3W output power, a jamming range of up to 20m, and the ability to jam multiple frequencies. The built-in quiet cooling fan ensures that the device can be used in a low profile manner without attracting attention, which is especially important in sensitive environments that require careful handling.
- 6,249.99$
As a durable Jammer Device, the D-US-Z4 has a powerful output power of up to 160W and a coverage range of up to 1000 to 1500 meters. Compared with Backpack-W1 (25kg) with the same performance, D-US-Z4 weighs only 12.5kg, which is lighter. And it uses simpler smart buttons – return, forced landing and special function buttons, which are easier to operate.
- 219.66$
This vibration-sensing home security alarm system deters thieves with a piercing 113dB alarm, combines SOS fall assistance and smart anti-theft, and has 7 levels of sensitivity to accurately capture unusual movements, easily protecting your bicycles, electric bikes, motorcycles, and even the doors and windows of your home.
- 1,099.10$
The launch of this exquisitely designed microphone jammers can effectively prevent eavesdropping equipment from recording, and is compatible with various types of smartphones (iPhone, Android, etc.) and audio recording devices on the market. Independent mobile phone parking areas can be set up for centralized management.
- 3,599.99$
Backpack-W1 backpack UAV drone Jammer disrupts WIFI2.4GHZ/5GHZ, GPSL1 433Mhz 915MHZ signals in both vertical and horizontal polarizations, with a total output power of 300watts (50W per channel). The Backpack-W1 is equipped with six high-gain antennas, providing robust jamming capabilities.
- 4,899.76$
The BAD-6 drone blocking device shields vehicles and personnel from FPV drones, blocking six frequency bands. It features improved cooling, dual voltage, a 450-meter range, durable housing, and operates on 12/24 V power with 45-50 W per channel.
- 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.
- 239.99$
This box-type anti-locator GPS Scrambler CM4 is carefully designed to enhance the safety of vehicles or personal locations. It is sold all over the world due to its high cost-effectiveness, excellent quality and wide application.
- 655.92$
The Wi-Fi signal Blocker, designed to effectively interfere with 2.4GHz and 5GHz (included 5.2GHZ & 5.8GHZ) wireless network connections, generating 3W of power per band, with a total output power of 9W, and effectively restricts low-flying drones within 100 meters, forcing them to land or return.
85.89$In order to give you a perfect experience during your journey, let this signal testing equipment that looks like a car key become your perfect partner. While It efficiently detects various wireless signals, is compact and easy to carry. You can even hang it on your keychain, so you won’t feel it is a burden to carry it.
- 208.96$
Compared to regular WiFi camera Detector PUS-T01, its design uses double the viewfinder window, which is more comfortable and efficient to use. With it, you can easily check for pinhole cameras in private places or Airbnb hotels.
Showing 1–40 of 348 results
