12-Band High-Power Portable Mobile Phone Jammer
Have you ever thought that when lawyers and clients are whispering and discussing “things that cannot be known by third parties”, nearby mobile phones, Wi-Fi, and GPS signals are like ears, “listening” silently? Don’t worry, at this time our 12-band high-power Portable Mobile Phone Jammer can come on the scene and become your most reliable “silent bodyguard”.
Not only does it intercept mobile phone signals, it can also “conveniently” interfere with Wi-Fi, GPS, and even drone control signals. To put it bluntly, it can politely drive away any uninvited wireless signals.
Jamming Frequencies
GSM or CDMA : 925-960 or 851-894MHz
DCS or PCS : 1805-1880 or 1920-1990MHz
3G : 2110-2170MHz
4GLTE : 758-821 or 700-803MHz
4G WIMAX :2500-2690 MHz
WIFI2.4G or 4G2300 : 2400-2500 or 2300-2400MHz
VHF/LOJACK: 135-175MHz
GPS: 1570-1610MHz
GPSL3L4 : 1370-1390MHz
GPSL2L5 : 1170-1280MHz
WIFI5.2G: 5100-5500MHz
WIFI5.8G: 5500-5900MHz
5G600 :617-698MHz
5G1500 :1427-1518MHz
5G3500 :3300-3600MHZ
5G3700 :3600-3900MHz
The jammer can also be customized as a high-power drone jammer with 4-6 antennas, providing powerful jamming capabilities to combat 100% of drones. If you need to customize the jamming signal frequency band, please contact us via the official email.
Jamming radius: (10–80) meters At -75dBm
Power supply: AC adapter 50 to 60Hz, (AC110 or 240V-DC12V)
Built-in battery: 24V10Ah
Battery Life: 1.5Hours
Total output power: Total 86W
Voltage: AC110-240V to DCor USB 5V
Operating temperature: -10℃ to +50℃
Operating humidity: 5% to 80%
Device size: 465 x 365 x 185 mm
Device weight: appr.12kg
Product package includes:
1 * 12-band jammer
12 * antennas
1 * AC Plug
1 * built-in lithium battery
1 * Battery Charger
(The signal band of the jammer is adjusted according to the customer’s location, and the power plug is also adjusted according to the customer’s location, including countries such as the United States, Canada, Australia, as well as European countries such as Germany and France.)
(The portable jammer is equipped with a car charger)
Multi-band interference at the same time
This device is not an ordinary signal jammer. It can interfere with up to 12 frequency bands at a time, from 2G, 3G, 4G to 5G, from Wi-Fi to GPS, from VHF to UHF. Each frequency band can also adjust the power separately, and you can interfere with whoever you want.
Wide interference range, strong output
Although it is not big, the total output power is 86W, and the interference radius can reach 10 to 80 meters. The specific interference distance depends on the signal strength around you. Equipped with 3 cooling fans, it can rotate without taking a breath, and it is very stable.
Take it with you, wherever you need it
This High Power Portable Mobile Phone Jammer is hidden in a sturdy suitcase, like a toolbox, but it is actually a signal terminator. Built-in 24V 10Ah lithium battery, it can last for 1.5 hours even without power, which comes in handy at critical moments. The LED screen can also display the power and status, so you know it and don’t panic when operating.
What scenarios are CJM12DT01 suitable for? We can do whatever you want
- Secret meeting room between lawyers and clients
- Exam site, interfere with “electronic exam cheating”
- Conference room, so that attention is no longer distracted
Whether you want to protect privacy, maintain order, or simply want a “quiet space”, this High Power Portable Mobile Phone Jammer will be a silent and powerful guardian. It doesn’t speak, but it understands you very well.
Please Note:
1. These jammers are customized for frequency bands in specific countries. We adjust the frequency band standard of the device interference by default according to the address provided by the customer. (The United States has its own signal band standard, and Europe has its own signal band standard) If you need to interfere with the signal bands in different regions, you can tell us through the official email.
2. Make sure the antenna is connected correctly before using the jammer. Each antenna has its own number, and each antenna hole also has its own number. The number of the antenna and the number of the antenna hole must be the same, so the antenna must be connected correctly!
3. Low output power jammers may not be effective for devices with high output power signals (such as high-power Wi-Fi routers, Bluetooth audio devices). If you need to interfere with the signal of a high-output power signal device, you need to buy a high-output power jammer.




















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