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Today, various devices are presented on the market, the main purpose of which is to protect a cell phone. With the products of Securitytechnologies, phone protection, listening will no longer be a problem for you. We offer you hardware and software kits, the main function of which is to protect a mobile phone in GSM networks, acoustic safes, intelligent microblockers, with which it will become even easier to protect phones, as well as a mobile phone for confidential calls.