Jammers

8 posts

Big Ben, London, illustrating UK research on contraband phone demand

Managed Access Jamming Too Expensive Says MoJ, Investigates Demand For Contraband Cell Phones

The United Kingdom’s Ministry of Justice has determined that managed access jamming of contraband cell phones is too expensive and has commissioned “research to explore the use and demand for illicit mobile phones amongst the prison population” in order to facilitate the “development of a new mobile phone strategy to:   (i) manage prisoner communications, (ii) reduce and control criminal activities and (iii) reduce expenditure on equipment and the need for time-consuming searches.” The aim […]

Tall radio tower atop a building under blue sky, illustrating managed access deployments in US prisons

Prison Managed Access System Jammer Deployments

Since the first high profile prison managed access system (MAS) jammer deployment to thwart contraband cell phones at the MDOC facility in Parchman, MS., state departments of correction around the country have been evaluating the technology for potential deployment. The California Department of Corrections and Rehabilitation (CDCR) announced a statewide deployment of cell phone jammers, despite high profile concerns about their effectiveness. And recently, Texas and Maryland moved to test the technology in their prison […]

An aerial view of a neighborhood with lots of houses, illustrating jamming blocking neighbors' service

Wireless Prison Cell Phone Jamming Blocks Neighbors’ Service

The use of wireless jammers to block contraband prison cell phones is one of the many supply-side initiatives being investigated and deployed in prisons around the world. As shown by these news items, this frequently results in the loss of cellular service for the homes and businesses located near the prisons. This calls into question the viability of using this technology to eliminate the use of contraband cell phones. Recently, in response to reports of […]

Transmission tower during golden hour, illustrating jail warders under scrutiny over jamming

Jail Warders Face Heat For Phone Usage

This article highlights some of the challenges and issues associated with the use of wireless signal jammers to stop the use of contraband cell phones smuggled into a prison in India. With a spate of murders and extortions being abetted from Puducherry Central Prison in India by criminals inside, the Jail authorities have woken up and have taken stringent measures. A team of security personnel on special duty seized a dozen cellphones from the jail […]

The Selamat Datang Monument surrounded by skyscrapers in Jakarta, illustrating jammers in a Jakarta prison

Prison To Get Cell Phone Jammers To Stymie Drug Dealers

As we have noted before, the problem of smuggled cell phones in prison is a global one. In a Jakarta prison, cell phone jammmers are being installed to stop drug smuggling. Contraband cell phones and drugs are the two most smuggled items into jails. Apparently, the Jakarta prison authorities believe one is smuggled into prison in order to facilitate the smuggling of the other. Interestingly however, an inmate is quoted as saying, “Prison authorities could […]

Black dslr camera on white table, illustrating National Geographic's Cellphone War

Cellphone War

The National Geographic’s Hard Time TV series most recent episode is about smuggled prison cell phones. It’s called Cellphone War and below are some facts from the show. The meshDETECT secure cell phone service addresses the legitimate inmate desire for family contact and therefore reduces the contraband value of smuggled prison cell phones. CELL PHONE WAR FACTS: Did you know that the ownership of a cell phone behind bars is prohibited in both state and […]

Hand reaching towards floating percentage symbols, illustrating Michigan prison phone rate increase

Prisoner Phone Rates Increased

This article regarding the rate increase for Michigan’s state prisoner telephone services offers the following insight, “Criminologists report that prisoners with strong social bonds are less likely to re-offend or exhibit anti-social behavior. Prisoners able to talk more with their families display the higher signs of rehabilitation than prisoners who converse less frequently.” A secure prison cell phone service would increase the ability of prisoners to communicate with their families while reducing the contraband value […]

An old pay phone with graffiti on it, illustrating Michigan using phone revenue for jammers

Michigan DOC Using Pay Phone Revenue For Jammers

The Michigan DOC is changing prison pay phone vendors and increasing the price of a prison phone call. Some of the increased revenue generated by the new phone rates will be used to install cell phone jammers to thwart smuggled contraband cell phones. The corrections department had contracted with Kansas-based EMBARQ. That contract expired in 2009 but the company agreed to continue service until the department found a new vendor, Cordell said. EMBARQ offered the […]