Signal Jammer that Blocks Various Signals
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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. -
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. -
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. -
1-Band Vehicle-Mounted GPS Positioning Jammer
$139.00Original price was: $139.00.$79.69Current price is: $79.69. -
High Power 16-Band Adjustable Mobile Phone Frequency Signal Jammer
$1,899.00Original price was: $1,899.00.$1,166.99Current price is: $1,166.99. -
Camouflage Cell Phone Jammer LCD Screen CDMA GSM 3G 4G GPS Lojack Portable Cell Phone Blockers
$599.00Original price was: $599.00.$396.99Current price is: $396.99. -
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G9 Pro Car GPS Jammer for Vehicles Jamming With GPS/WIFI/Beidou/Base Station
$179.00Original price was: $179.00.$99.99Current price is: $99.99. -
GSM 3G (UMTS) WIFI GPS Mini Cell Phone Jammer
$169.00Original price was: $169.00.$99.66Current price is: $99.66. -
Full Band U Disk WiFi Jammer 2.4GHZ/5.2GHZ/5.8GHZ
$139.00Original price was: $139.00.$89.99Current price is: $89.99. -
High-Power Drone Jammer Interception Equipment Box-Type UAV Drive Away Equipment
$3,999.00Original price was: $3,999.00.$2,480.49Current price is: $2,480.49. -
Portable Mobile Power Design Mini Hidden 4 Antennas GSM GPS Jammer
$239.00Original price was: $239.00.$139.99Current price is: $139.99. -
Desktop WiFi Cellular Phone Blocker Anti GPS Tracking Jammer
$899.00Original price was: $899.00.$508.99Current price is: $508.99. -
Cheap 3 Bands Portable UMTS GPS GSM 3G Cell Phone Blocker
$99.00Original price was: $99.00.$69.99Current price is: $69.99. -
High performance 16 bands CDMA GSM DCS 3G 4G WIFI GPS jammer
$1,799.00Original price was: $1,799.00.$1,049.99Current price is: $1,049.99. -
High Power Handheld Portable Drone Signal Jammer HW08US
$5,999.00Original price was: $5,999.00.$3,399.49Current price is: $3,399.49. -
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2.4GHz 5.1GHz 5.8GHz 3-channel Portable Drone Signal Jammer
$1,479.00Original price was: $1,479.00.$839.88Current price is: $839.88. -
Protective Cell Phone GPS Signal Tracking Interceptor Bag
$138.00Original price was: $138.00.$80.88Current price is: $80.88. -
Power 8 Bands Drone Signal Jammer 3G 4G WIFI Blocker
$5,499.88 – $9,499.88 -
18 Channel WiFi VHF UHF Lojack GPS Mobile Cell Phone Signal Jammer
$1,399.00Original price was: $1,399.00.$719.88Current price is: $719.88. -
New 2 Band Cigarette Lighter GPS Jammer Car GPS L1 L2 Blocker
$119.00Original price was: $119.00.$69.99Current price is: $69.99. -
Small Car GPS Jammer can be charged from Cigarette Lighter
$129.00Original price was: $129.00.$79.89Current price is: $79.89. -
Desktop Jammer GSM 3G 4G GPS WiFi Signal Blocker with 2 Powerful Fans
$799.00Original price was: $799.00.$460.49Current price is: $460.49. -
10 Antenna GSM GPS Cell Phone WiFi Jammer
$599.00Original price was: $599.00.$399.99Current price is: $399.99. -
8 Antenna Signal Jammer Effectively Interferes with 2G 3G 4G and LOJACK GPS WIFI Signals
$899.00Original price was: $899.00.$539.69Current price is: $539.69. -
The Latest 8-Antenna Handheld GSM 4G Jammer has the ability to intercept WIFI GPS Signals
$499.00Original price was: $499.00.$301.99Current price is: $301.99. -
12 Bands High Power Portable Phone Jammer Blocks 2G 3G 4G GPSL1-L5 WIFI2.4G 5G Signals
$3,999.00Original price was: $3,999.00.$2,499.99Current price is: $2,499.99. -
Desktop 12-Band Mobile Phone Signal Blocker Multi-Frequency Drone Jammer
$2,830.34 – $3,569.48 -
Portable 5-Band GPS Jammer with 3G, 4G GSM WIFI Signal Blocker
$466.00Original price was: $466.00.$288.99Current price is: $288.99. -
Handheld all in one Drone Jammer with jamming distance up to 500 meters
$3,099.00Original price was: $3,099.00.$2,299.99Current price is: $2,299.99. -
Large Battery Handheld 8 Band DCS PCS Cell Phone GPS WIFI Signal Jammer
$1,199.00Original price was: $1,199.00.$735.99Current price is: $735.99. -
Mini Automatic GPS Signal Jammer in USB Form
$99.00Original price was: $99.00.$69.69Current price is: $69.69. -
Super Desktop Drone Jammer 2.4G 5.1G 5.8G UAV Signal Blocker
$1,299.00Original price was: $1,299.00.$919.99Current price is: $919.99. -
Small Aerial 2.4GHz 5.8GHz Drone signal Jammer
$1,999.00Original price was: $1,999.00.$1,299.99Current price is: $1,299.99. -
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. -
Portable Integrated Jammers GSM 3G LTE4G GPS WiFi Signal Blocker
$699.00Original price was: $699.00.$406.69Current price is: $406.69. -
New Portable 12 Band WiFi Cell Phone Jammer 315/433MHz
$999.00Original price was: $999.00.$649.99Current price is: $649.99. -
Portable GPS WIFI Signal Jammer with Shielded Signal GSM
$299.00Original price was: $299.00.$168.69Current price is: $168.69. -
Box Type Adjustable Hidden Antenna WIFI Cell Phone Signal Jammer
$1,699.00Original price was: $1,699.00.$1,099.99Current price is: $1,099.99. -
10-Channel Mobile Phone Signal Jammer
$699.00Original price was: $699.00.$389.99Current price is: $389.99. -
World First 20-Antenna All-In-One 5G Mobile Phone Signal Jammer, Shielding 3.5G 3.7G Full Frequency Band
$1,399.00Original price was: $1,399.00.$749.99Current price is: $749.99. -
8 Adjustable Antennas Jammer Desktop Wi-Fi Cell Phone Signal Jammer High Quality
$799.00Original price was: $799.00.$559.88Current price is: $559.88. -
Portable 16 Antennas All In One Jammer
$1,699.00Original price was: $1,699.00.$999.99Current price is: $999.99. -
6 Antennas Cell Phone Signal Jamming Device WIFI GPS GSM 3G CDMA DCS 4G
$429.00Original price was: $429.00.$299.99Current price is: $299.99. -
New U Disk GPS Jammer Anti Tracker
$139.00Original price was: $139.00.$79.99Current price is: $79.99. -
Latest High Power Desktop Signal Jammer VHF UHF WIFI GPS 5G 4G 3G
$1,399.00Original price was: $1,399.00.$719.89Current price is: $719.89. -
Glod 4 Antenna Jammer Interceptor WIFI GPS GSM UMTS 315 433 868mhz Signal Optional
$319.00Original price was: $319.00.$169.66Current price is: $169.66. -
Aluminum Alloy Shell 10 Band 5G Mobile Phone WiFi Signal Jammer
$699.00Original price was: $699.00.$425.99Current price is: $425.99. -
Powerful 3G 4G WiFi jammer LTE/Wimax-GPS Blocker with 12 Antennas
$1,199.00Original price was: $1,199.00.$609.99Current price is: $609.99. -
Desktop 16 Adjustable Antennas Jammers LOJACK UHF VHF 2G 4G 3G 5G GPS WIFI Blocker
$2,299.00Original price was: $2,299.00.$1,659.99Current price is: $1,659.99. -
Desktop 12-Antenna 5G Cell Phone Blocker with Remote Control and Powerful Cooling Fan
$1,799.00Original price was: $1,799.00.$1,219.99Current price is: $1,219.99. -
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. -
Desktop 5-Band Adjustable Jammer for 3G 4G GSM WIFI GPS Frequency
$316.89 – $385.48 -
Latest 16 Band 5G Jammer All Mobile Phone Signal GPS WiFi Blocker
$1,299.00Original price was: $1,299.00.$819.99Current price is: $819.99. -
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. -
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High Performance 10 Channels 3G 4G 5G WIFI GSM GPS Desktop Signal Jammer
$1,099.00Original price was: $1,099.00.$616.99Current price is: $616.99. -
5 Band Jammer GSM 3G GPS WIFI Bluetooth 5 Antenna Video Signal Blocker
$399.00Original price was: $399.00.$209.88Current price is: $209.88. -
The Latest Handheld High Power WIFI GPS 4G Mobile Phone Signal Jammer
$769.00Original price was: $769.00.$426.69Current price is: $426.69. -
Portable Handheld 2 Band GPS L1-L2 Jammer
$159.00Original price was: $159.00.$89.58Current price is: $89.58. -
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.
Signal Jammers and Blockers
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$101 - $300 Jammers7 Products
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$301 - $500 Jammers10 Products
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$501 - $1000 Jammers23 Products
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1 - 3 Antennas Jammers6 Products
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10 - 20 Meters8 Products
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10 Antennas Jammers5 Products
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12 Antennas Jammers8 Products
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16 Antennas Jammers8 Products
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20 - 30 Meters10 Products
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30 - 40 Meters11 Products
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3G Jammer38 Products
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3G/UMTS: 2110-2170MHZ13 Products
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4 - 5 Antennas Jammers5 Products
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4G Jammer40 Products
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4G LTE: 725-770MHz or 790-826MHz12 Products
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4G WIMAX: 2345-2400MHz or 2620-2690MHz11 Products
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5G Jammer18 Products
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5G: 617-685MHz or 1427-1518MHz or 3400-3600MHz or 3600-3900MHz16 Products
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6 Antennas Jammers4 Products
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8 Antennas Jammers7 Products
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Adjustable Jammer18 Products
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Antenna Jammer19 Products
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Anti Tracking Jammer27 Products
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Bluetooth Blocker47 Products
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Bluetooth Jammer38 Products
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Camera Jammer32 Products
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Car Rechargeable Jammer18 Products
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Cell Phone Blocker44 Products
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Cell Phone Jammer50 Products
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Cheap Jammer29 Products
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Desktop Jammer16 Products
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Drone Blocker9 Products
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Drone Jammer9 Products
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Fixed Jammer2 Products
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GPS Blocker49 Products
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GPS Jammer56 Products
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GPS L1 L2 L3 L4 L518 Products
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GPS L1: 1570-1580MHz6 Products
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GPS L2/L5: 1170-1280MHz8 Products
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GPS L3 L4: 1370-1390MHz11 Products
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GSM & CDMA: 850-894MHz14 Products
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GSM 1800 & DCS: 1805-1880MHz11 Products
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GSM 1900 & PCS: 1920-1990MHz10 Products
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GSM 900 & LORA: 925-960MHz10 Products
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GSM Jammer40 Products
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Hidden Jammer17 Products
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High Power Jammers38 Products
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Indoor Jammer14 Products
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Less than 100$ Jammer11 Products
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Mini Jammer23 Products
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More than $1000 Jammers15 Products
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More than 18 Antennas Jammers4 Products
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More than 40 Meters14 Products
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Multifunctional Jammer28 Products
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Outdoor Jammer24 Products
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Popular Jammers4 Products
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Portable Jammer17 Products
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Prison Jammer13 Products
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Radio Frequency Jammers13 Products
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Signal Blocker67 Products
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UHF/VHF Jammers15 Products
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Walkie Talkie Jammer6 Products
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Waterproof Jammer2 Products
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WiFi 2.4G: 2400-2500MHz16 Products
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WiFi 5G: 5100-5680 MHz or 5720-5850MHz8 Products
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WiFi Blocker45 Products
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WiFi Jammer56 Products
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Within 10 Meters11 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.