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Handheld Cell Phone Blocker 16 Bands 5G Jammer

Government public beta and location jammer and spoofer testing​​​​

Perfectjammer 2022/08/11

  Government agencies have proposed and validated an enhanced method for geolocating GNSS jammers so that jammers and spoofers can be discovered and disabled.

Government public beta and location jammer and spoofer testing​​​​

  Wideband jammers or jammers, whether intentional or not, are most effective at interfering with nearby GNSS users because they are frequency independent and cause persistent loss of GNSS signals to nearby GNSS users.

  Examples of intentional wideband jammers use modulation schemes such as FM chirp (sometimes called swept continuous wave) and additive white Gaussian noise. In contrast, narrow-band jammers such as continuous wave are relatively frequency selective and may lead to intermittent GNSS operation. Therefore, the ability to identify and geolocate the presence of broadband GNSS jammers is essential, as they pose a greater danger to GNSS users.

  The AOA of the RF transmit signal source. Typical passive GNSS jamming sensing uses a phased array network to infer two or more angles of arrival. In order to take full advantage of the wideband nature of the source signal, a cross-correlation method is required.

  The cross-correlation of signals received between two remote stations will produce a distinct peak at the cross-correlation delay that is different from the arrival time of the corresponding source. Therefore, TDOA is another observation of the sensor station related to the geographic location of the broadband source signal. If there are three or more stations, a combination of two or more detected TDOA measurements can be used to geolocate the jammer gps location.



Pocket 4 Bands Remote Control Bomb Portable Cell Phone Jammer

4 Bands Portable jammer

4-Wire Pocket Jammer is the latest miniature hidden 4-antenna cell phone jammer. The pocket design looks like a power bank to block some long-range bomb signals. Can be used to protect VIPs and groups, army security forces, SWAT teams, bomb disposal teams, anti-terrorist units, anti-drug units, riot control units, bomb squads, checkpoints, hostage negotiations, border control, cars, trains, buses and more locally, Engaged in these relatively hidden activities for a long time, the built-in NiMH 2000mAH battery can work for more than 8 hours, this jammer is worth starting.

$479.99$1003.46

Adjustable Power Blocker

16 Bands Powerful Desktop Jamming Device

So far the cell phone jammer is working great. Once the call blocker was set up Incoming nuisance calls immediately declined by about two thirds. Apparently the 5K prerecorded blocked numbers that come with the Call Blocker did that job. Usually I would get 4 telemarketing calls on Monday mornings by noon...

Date Added: 05/14/2019 by Penny Clement