Signal jammer device is an illegal request

The person in charge of the prison uses signal interference equipment to prevent prisoners from using mobile phones in the prison. The Ministry of Corrections document seen by Sowetan said it was in negotiations with the South African Independent Communications Authority (SA) to “explore various technical and legal solutions, including but not limited to cell […]

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The frequency of jammers in North Korea is increasing

South Korean officials say North Korea uses radio waves to block GPS navigation systems near the border. It is said that these emissions have affected 110 aircraft and ships and may cause cell phone failure. Agence France-Presse quoted Zheng Junxi, a spokesman for the Southern Unification Ministry, as saying that this was a “provocative act.” […]

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