

“The cell he was in was not fit for a diseased animal. Thompson’s family said his death was the result of unsanitary conditions at the jail and complications from insect bites. WANFįamily says deplorable conditions and insect bites in Atlanta jail contributed to inmate's death In turn, prisons are safer due to the reduction in contraband and other illegal activities.Lashawn Thompson's brother Brad McCrae speaks at a press conference on the courthouse steps of the Fulton County Superior Court on April 13. Leveraging the capabilities of the thinkRF R5550 analyzer and advanced analysis third-party software, prisons can detect and locate cell phones or other wireless devices used by inmates. This further increases the facility’s safety and security. Guards can then check for any contraband dropped by the vehicles and confiscate it before it’s collected by inmates. The analyzers can also alert prison staff to the presence of drones by detecting the RF signals used to control the vehicles. This gives guards a continuous, 24/7 view of the spectrum and makes it easy to identify signals coming from a specific cell or area in the yard. To detect signals, prisons place several units around the facility and monitor them from a centralized location. One advantage of an R5550 analyzer is that it’s networked and designed for remote deployment.
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It’s easily integrated with third-party software for deeper analysis. As an example, thinkRF’s R5550 real-time spectrum analyzer is a compact, versatile, and remote deployable instrument that supports advanced analysis capabilities and indoor geolocation to pinpoint the location of an illegal device (see figure).
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One tool that can give an institution’s personnel a full view of the spectrum environment is a real-time spectrum analyzer. Still, prisons need to be able to detect that a cell phone is present, determine its exact location, and dispatch guards to find and confiscate it. Jamming techniques that prevent phones entirely from transmitting face legal barriers, and they have the potential to disrupt connectivity for guards, emergency services, or people in the areas adjacent to the facility. Random searches and pat-downs require time and resources and can easily miss contraband when dealing with many people. Prevention techniques used to find and/or disable cell phones carry legal or practical issues that limit their viability and effectiveness. As with all contraband brought into prisons, a wide variety of tactics are used to circumvent security measures, including bribing guards, having items thrown over the fence, or, increasingly, dropping packages from drones that fly undetected over the prison. Cell phones are small and often not picked up by metal detectors. Given the large inmate populations, it’s extremely difficult to prevent cell phones from entering a prison in the first place. These activities jeopardize the safety and security of other prisoners, prison guards, staff, and the public. In the United States, Congress has passed the Contraband Cell Phone Act, which prohibits the possession of cell phones in prisons by unauthorized persons, including inmates.Ĭell phones make it possible for prisoners to communicate with people outside the prison, and to transmit text, video, or other data, potentially coordinating crimes or purchasing additional contraband. Real-time spectrum analysis coupled with analysis software is one possible solution.Ĭell phones and other connected devices have become a major problem for prisons around the world.Detection and location are time- and resource-intensive jamming poses other safety issues.It’s rather difficult to prevent contraband wireless devices from entering prisons.This article appeared in Microwaves & RF and has been published here with permission.
