Signal Jammer that Blocks Various Signals
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Best Selling
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4G Jammer Hot Sale 8 Antenna Portable Handheld Cell Phone Signal Blocker
$599.00Original price was: $599.00.$219.99Current price is: $219.99. -
World First Portable 24 Antenna Full Frequency Jammer Blocks All Signals
$1,599.00Original price was: $1,599.00.$829.88Current price is: $829.88. -
Multifunctional WIFI 2G 3G 4G 5G Cell Phone Signal Jammer
$599.00Original price was: $599.00.$369.69Current price is: $369.69. -
2G 3G 4G 5G WIFI 6E 2.4G 5.8G Bluetooth GPS FM Radio RC UHF VHF/LOJACK LORA/RC915 868 315 Cell Phone Jammer
$2,199.00Original price was: $2,199.00.$1,299.00Current price is: $1,299.00. -
Handheld 32 Bands FM Radio RC UHF VHF/LOJACK LORA/RC915 868 315 GPS 2G 3G 4G 5G Cell Phone Bluetooth WIFI 7E 6E 2.4G 5.2G 5.8G Jammer 32 Watts With Nylon Cover
$2,399.00Original price was: $2,399.00.$1,399.00Current price is: $1,399.00. -
High Power Handheld 12 Antennas 5G Cellphone Signal Jammer 37 Watts
$1,299.00Original price was: $1,299.00.$759.99Current price is: $759.99. -
High Power 12 Antenna 3G 4G 5G Cell Phone Signal Jammer
$729.99 – $749.99Price range: $729.99 through $749.99 -
16 Antenna Full Band Signal Jammer WIFI GPS LOJACK UHF VHF Phone Blocker
$2,399.00Original price was: $2,399.00.$1,719.19Current price is: $1,719.19. -
315 433 868MHz Handheld Remote Control Signal Jammer, 10W Output Power, Equipped with a Larger Capacity Battery
$899.00Original price was: $899.00.$399.99Current price is: $399.99. -
G9 Pro Car GPS Jammer for Vehicles Jamming With GPS/GSM/Beidou/Base Station
$179.00Original price was: $179.00.$99.99Current price is: $99.99. -
Hidden Antenna 16 Bands 5G Phone Jammer 4G 5G Wi-Fi GPS RF LOJACK Blocker High Power
$759.99 – $789.88Price range: $759.99 through $789.88 -
Full Band U Disk WiFi Jammer 2.4GHZ/5.2GHZ/5.8GHZ
$139.00Original price was: $139.00.$89.99Current price is: $89.99. -
Portable WiFi Jammer 6W WIFI 2.4G WIFI 5.2G WIFI 5.8G CM3
$369.99Original price was: $369.99.$169.99Current price is: $169.99. -
Portable Mobile Power Design Mini Hidden 4 Antennas GSM GPS Jammer
$239.00Original price was: $239.00.$139.99Current price is: $139.99. -
GSM 3G (UMTS) WIFI GPS Mini Cell Phone Jammer
$169.00Original price was: $169.00.$99.66Current price is: $99.66. -
New 2 Band Cigarette Lighter GPS Jammer Car GPS L1 L2 Blocker
$119.00Original price was: $119.00.$79.99Current price is: $79.99.
Cell Phone Jammers
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$101 - $300 Jammers
4G Jammer Hot Sale 8 Antenna Portable Handheld Cell Phone Signal Blocker
$599.00Original price was: $599.00.$219.99Current price is: $219.99. -
$501 - $1000 Jammers
High-Power 10 Antenna Portable GPS Wi-Fi 315 433 868mhz GSM 3G 4G Mobile Phone Signal Jammer
$605.88 – $650.99Price range: $605.88 through $650.99 -
$301 - $500 Jammers
10 Antenna GSM GPS Cell Phone WiFi Jammer
$599.00Original price was: $599.00.$399.99Current price is: $399.99. -
$301 - $500 Jammers
Multifunctional WIFI 2G 3G 4G 5G Cell Phone Signal Jammer
$599.00Original price was: $599.00.$369.69Current price is: $369.69. -
$501 - $1000 Jammers
Hidden Antenna 16 Bands 5G Phone Jammer 4G 5G Wi-Fi GPS RF LOJACK Blocker High Power
$759.99 – $789.88Price range: $759.99 through $789.88 -
$501 - $1000 Jammers
Full Band 22 Antenna Cell Phone Signal Jammer 5G GPS WiFi Blocker
$1,519.00Original price was: $1,519.00.$789.88Current price is: $789.88. -
16 Antennas Jammers
16 Antenna Full Band Signal Jammer WIFI GPS LOJACK UHF VHF Phone Blocker
$2,399.00Original price was: $2,399.00.$1,719.19Current price is: $1,719.19. -
$501 - $1000 Jammers
World First Portable 24 Antenna Full Frequency Jammer Blocks All Signals
$1,599.00Original price was: $1,599.00.$829.88Current price is: $829.88. -
$501 - $1000 Jammers
Plus High Power 12 Antennas Mobile Phone Signal Jammer Portable RF WiFi GPS Signals Blocker
$569.99 – $699.88Price range: $569.99 through $699.88 -
$501 - $1000 Jammers
Handheld 4G 5G Jammer VHF LOJACK WiFi GPS 16 Antenna Interceptor High Performance
$1,539.00Original price was: $1,539.00.$839.99Current price is: $839.99. -
$501 - $1000 Jammers
High Power Handheld 12 Antennas 5G Cellphone Signal Jammer 37 Watts
$1,299.00Original price was: $1,299.00.$759.99Current price is: $759.99. -
$501 - $1000 Jammers
High Power 12 Antenna 3G 4G 5G Cell Phone Signal Jammer
$729.99 – $749.99Price range: $729.99 through $749.99
WiFi Jammer
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$101 - $300 Jammers
Portable WiFi Jammer 6W WIFI 2.4G WIFI 5.2G WIFI 5.8G CM3
$369.99Original price was: $369.99.$169.99Current price is: $169.99. -
3G Jammer
GSM 3G (UMTS) WIFI GPS Mini Cell Phone Jammer
$169.00Original price was: $169.00.$99.66Current price is: $99.66. -
$101 - $300 Jammers
4G Jammer Hot Sale 8 Antenna Portable Handheld Cell Phone Signal Blocker
$599.00Original price was: $599.00.$219.99Current price is: $219.99. -
$301 - $500 Jammers
Multifunctional WIFI 2G 3G 4G 5G Cell Phone Signal Jammer
$599.00Original price was: $599.00.$369.69Current price is: $369.69. -
$501 - $1000 Jammers
3 Bands Handheld 2.4G 5.2G 5.8G Bluetooth WIFI Signal Jammer
$799.00Original price was: $799.00.$539.99Current price is: $539.99. -
$501 - $1000 Jammers
Hidden Antenna 16 Bands 5G Phone Jammer 4G 5G Wi-Fi GPS RF LOJACK Blocker High Power
$759.99 – $789.88Price range: $759.99 through $789.88 -
$101 - $300 Jammers
6 Antennas Cell Phone Signal Jamming Device WIFI GPS GSM 3G CDMA DCS 4G
$429.00Original price was: $429.00.$199.99Current price is: $199.99. -
Anti Tracking Jammer
Full Band U Disk WiFi Jammer 2.4GHZ/5.2GHZ/5.8GHZ
$139.00Original price was: $139.00.$89.99Current price is: $89.99.
GPS Jammer
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1 - 3 Antennas Jammers
1-Band Vehicle-Mounted GPS Positioning Jammer
$139.00Original price was: $139.00.$79.99Current price is: $79.99. -
3G Jammer
GSM 3G (UMTS) WIFI GPS Mini Cell Phone Jammer
$169.00Original price was: $169.00.$99.66Current price is: $99.66. -
1 - 3 Antennas Jammers
Cheap 3 Bands Portable UMTS GPS GSM 3G Cell Phone Blocker
$99.00Original price was: $99.00.$69.99Current price is: $69.99. -
1 - 3 Antennas Jammers
Small Car GPS Jammer can be charged from Cigarette Lighter
$129.00Original price was: $129.00.$79.89Current price is: $79.89. -
Anti Tracking Jammer
Mini Automatic GPS Signal Jammer in USB Form
$99.00Original price was: $99.00.$69.69Current price is: $69.69. -
1 - 3 Antennas Jammers
New 2 Band Cigarette Lighter GPS Jammer Car GPS L1 L2 Blocker
$119.00Original price was: $119.00.$79.99Current price is: $79.99. -
$101 - $300 Jammers
6 Antennas Cell Phone Signal Jamming Device WIFI GPS GSM 3G CDMA DCS 4G
$429.00Original price was: $429.00.$199.99Current price is: $199.99. -
$501 - $1000 Jammers
World First Portable 24 Antenna Full Frequency Jammer Blocks All Signals
$1,599.00Original price was: $1,599.00.$829.88Current price is: $829.88. -
$501 - $1000 Jammers
Handheld 4G 5G Jammer VHF LOJACK WiFi GPS 16 Antenna Interceptor High Performance
$1,539.00Original price was: $1,539.00.$839.99Current price is: $839.99. -
10 - 20 Meters
Portable Handheld 2 Band GPS L1-L2 Jammer
$159.00Original price was: $159.00.$89.58Current price is: $89.58. -
Anti Tracking Jammer
G9 Pro Car GPS Jammer for Vehicles Jamming With GPS/GSM/Beidou/Base Station
$179.00Original price was: $179.00.$99.99Current price is: $99.99. -
$101 - $300 Jammers
Portable Mobile Power Design Mini Hidden 4 Antennas GSM GPS Jammer
$239.00Original price was: $239.00.$139.99Current price is: $139.99.
Shop Signal Jammers by Category
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Walkie Talkie Jammer
7 Products -

UHF/VHF Jammers
16 Products -

Radio Frequency Jammers
14 Products -

Portable Jammer
20 Products -

Multifunctional Jammer
29 Products -

Mini Jammer
24 Products -

High Power Jammers
41 Products -

GSM Jammer
41 Products -

Fixed Jammer
2 Products -

Desktop Jammer
17 Products -

Cheap Jammer
30 Products -

Car Rechargeable Jammer
18 Products -

Bluetooth Jammer
40 Products -

Anti Tracking Jammer
27 Products -

5G Jammer
20 Products -

4G Jammer
42 Products
What do signal jamming devices and electronic signal jammers do?
A signal jamming device, also known as an electronic signal jammer, is a device designed to interfere with radio frequencies. It emits high-frequency signals that interfere with the normal operation of other radio equipment.
There are many types of signal jammers to meet different usage scenarios. These types include fixed jammers, adjustable jammers, and programmable jammers. Fixed jammers emit signals at a predetermined frequency, while adjustable and programmable jammers can be modified to meet specific jamming requirements by adjusting frequency or amplitude.
Signal jamming devices and electronic jammers are designed to interfere with and disrupt the transmission and reception of signals in various communications systems. These devices emit a powerful signal within a specific frequency range to overwhelm or block the desired signal. By doing so, they prevent the target device from effectively sending or receiving signals, causing them to be unable to communicate or function properly.
Signal jamming devices can be used for a variety of purposes, including:
- Privacy: Individuals can use signal jammers to protect their privacy by blocking signals from GPS trackers, hidden cameras, or eavesdropping devices.
- Law Enforcement: Signal jammers can be used by law enforcement agencies to block unauthorized communications within secure areas. For example, they can be used to jam cell phone signals in prisons to prevent prisoners from making illegal calls.
- Security: Signal jammers can be used to protect sensitive areas or events from unauthorized wireless communications, such as preventing the remote detonation of explosives or the unauthorized use of wireless surveillance equipment.
- Prevent interference: Signal jammers can be used in specific environments where the use of wireless devices may be distracting or disruptive. For example, in theaters, exam halls or business meetings, signal jammers can be deployed to prevent individuals from using mobile phones, ensuring a focused and uninterrupted environment.
What is the rationale behind signal jammers?
Signal jammer devices emit high-frequency signals that disrupt the normal operation of other devices. These signals usually transmit within a specific frequency range, usually within the radio frequency band. They can emit at a fixed frequency, a varying frequency, or a random frequency.
The basic principle behind a signal jammer is to modify or distort the original signal, making it difficult to interpret or decode by an unauthorized receiver. Signal jammer technology is designed to intentionally destroy or modify a signal so that it appears random or unintelligible to anyone without an appropriate decoding mechanism.
Signal jammer is a useful radio device that can be used for a variety of purposes. However, due to their special nature, care needs to be taken when using them to ensure that they do not cause unnecessary interference with other radio communications.























