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Why are jamming devices increasingly valued

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2018年2月16日
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The role of the future signal jammer

In the future, however, new “cognitive” jammers will be able to identify and jam a signal autonomously. “cell phone jammer must be smart enough to counter threat advances by instantaneously recognizing signals –even if they morph on the fly– and immediately generate the waveforms to effectively jam them,” said Dan Theisen, Raytheon’s director of Airborne Electronic Attack at the company’s Space and Airborne Systems division, in a statement. “Systems must be able to learn and react during an engagement; true, cognitive EW.”

Residents in the community of Rae Town in eastern Kingston where the Tower Streets Adult Correctional Facility (GP) is located said the interruptions to their cell phone signals have been reduced since the Ministry of National Security restored and optimised two cell phone jammers at the facility.

"First time mi couldn't stand up here and get signal, and see it deh, mi signal full," Michele White said, pointing to her phone. State minister in the Ministry of National Security said that audits will be conducted by the ministry's technology task force in all institutions under phase two of an electronic monitoring programme. When the jammers were initially installed, residents in the community would have to walk to the east end of the community to get signal on their phones.

Next week, the department will begin testing a “micro-gsm jammer” system to evaluate whether such technology can be used to halt inmates’ calls without disrupting services in the surrounding area, including those used by first responders. “There are circumstances where it is appropriate to jam cellphone signals,” said Marc Rotenberg, president of the Electronic Privacy Information Center.

Stopping drones is difficult. “Technological solutions to detect and disrupt drones are in their infancy,” Rosenstein said, adding that the Justice Department supports regulatory changes that would make it easier to deploy interdiction technology and cellphone jamming.

Most of the country requires the license to use the cell phone signal jamming system. Cell phone blocker is using at mobile phone forbidden area to prevent sensitive information/data leaked via a cellular network. What is wifi jammer? Mobile phone jammer is a cellular signal blocker, jammer transmits the same cell phone radio signal overpower and disrupt the communication between the phone and base station. When installing the signal blocker, the jamming distance can only in-jail and does not obstruct the mobile signal outside the prison.

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RF Jamming technology is one of the solutions to solve the issue of contraband cell phones by inmates. According to the state minister for national security Pearnel Charles Jr, the government is advancing the process of identifying and selecting the best, and most modern cellular jammers and other technology solutions. Meanwhile, he says the restoration of the jammers at Tower Street highlights the lack of maintenance and underutilisation in recent years.

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