cellphone scrambler
The key to shielding 4G network signals depends on the frequency supported by the selected jammer communication. The current 4G frequency range is very wide, from 800M-2. 4G. If you want to shield 4G signals, it depends on what you use in the jammer. How much bandwidth can be supported. Because some of the 4G frequency band almost overlaps with WIFI 2.4. Once you shield the 4G signal, the WIFI and Bluetooth in the shielded area may not work properly. Therefore, whether the 4G signal can be shielded depends primarily on the function of the shielding product, and whether the device has a 4G signal shielding module.
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the latest mini hidden 4 antennas GSM GPS jammer in 2021 Year, block GPS/GLONASS L1+L2L5+GSM900/1800 or CDMA850/1900,Pocket design look like the mobile phone power bank, build-in Ni-Mh battery 2000mAH working more 1.5 Hours. Product Advantages: 4 Bands 1.2W with Ni-Mh battery 2000Mah, Working around 1.5...
- $139.99
$200.00- $139.99
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This three-antennas drone signal jammer has a good cooling system with built-in cooling fan, strong power,which make it works continuously and stably.You can adjust or shut down any frequency band without affecting the operation of other frequency bands.It can be used in meeting rooms,...
- $886.55
$1,200.00- $886.55
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Product Features: 1.This signal blocker has a good cooling system with heat sink and 2 big on top fans+4 small fans inside, low noise2.Each frequency band is separate and with adjustable power from Max to OFF(0)3.Has 100% Safe VSWR over protection for each modular4.Has...
- From $2,819.99
$3,400.99- From $2,819.99
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The first powerful all-in-one UHF/VHF 5GLTE/4G/3G/2G WIFI2.4G/5.8G GPS signal jammer is designed with 16 antennas, which brings us strong jamming ability. And it can not only cut off all 3G 4G 5G cell phone signals, but also interfere with VHF UHF WiFi2.4G 5.8G CDMA450M...
- $1,688.32
$2,756.88- $1,688.32
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The high power desktop cell phone jammer with a white aluminum shell,the jammer has a high heat dissipation so that it can work for a long time continuously. it can adjustable jamming radius,jam GSM,3G,4G cellular frequencies. Others signal like GPS,WIF frequencies can be configurable...
- $317.99
$500.00- $317.99
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