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How To Defeat A Cell Phone Scrambler

At present, the mobile phone signal jammers used in the examination room are all full frequency bands, which can interfere with all the frequency bands of the three operators 2G/3G/4G/5G, and WIFI signals and Bluetooth signals can also be shielded. The above is the principle of mobile phone signal jammer. However, the frequency range of electromagnetic waves ranges from several Hz to several hundreds of GHz, and each segment may be used as a communication signal. Will there be some special frequency bands that are used in the examination room? This is true for other radio communication tools, and radio communication tools with dedicated frequency bands "came into being" in this context. The working frequency band of these devices is selected outside the frequency range covered by How To Defeat A Cell Phone Scrambler, and mobile phone signal jammers will not work on them. cell phone jammer

D4 High Power Handheld Portable Drone Signal Jammer

This is a portable drone jammer. Compared to other uav jammers, this jammer has lighter weight and smaller size. You can take it anywhere easily,And no one knows that you are using the jammer at work. The portable jammer feature is irreplaceable..

$3433.07 $7289.28 More

Mini Protable Signal Jammer 2G 3G GPS

This product adopts the design of very convenient and portable, the outer type is very small, convenient to carry. It can be easily put into a coat pocket or a small backpack. For all the current GPS satellite positioning system features, in the use of this product radius of 2-15 meters within the effective GPS satellite signal truncated

$152.43 $220.73 More

WF-K6 Hidden Type 6 Bands High Power GSM 3G 4G GPS WiFi Signal Jammer

This cellular jamming device has a hidden design. You can hide the antenna and not easily noticeable. Has a separate band control button. You can open or close a frequency band according to your needs. This jammer is easy to carry, and you can put it in a backpack or tie it to your arm as needed

$530.89 $919.8 More

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