Owners of jailbroken devices can install Portable Chicago Cell Phone Blocker from third parties (not just from the App Store). The main vulnerability is hidden here. These additional permissions are granted not only to the user, but to all applications that the user runs. So the best way to protect your bank account and smartphone from the latest wireless threats is to avoid jailbreaks and phone routing. Shodan users discovered the management of a water park, several gas stations and even a crematorium. Cybersecurity experts have even detected the control systems of nuclear power plants and particle accelerators. Worst of all, only a few of these systems have specific security systems.
However, is this Chicago Cell Phone Blocker really that effective? The entire frequency range of electromagnetic waves ranges from a minimum of a few hertz to a maximum of several hundred GHz, and each segment can be used as a communication signal, but except for a very few very professional equipment, ordinary cell phone jammer "sounds" are not loud enough" and "pentatonic". Incomplete". Signal jammers can only shield a small part of the frequency band, and communication tools can use the unshielded frequency band to communicate. Of course, the 2G, 3G, and 4G mobile phone business of several domestic communication companies are all concentrated in a few small frequency bands. Check Signal jammers in the room can still focus on these frequency bands.
