How to disable cell phone signals in working time?
Indeed, there are many times when you need to block cell phone signal at work. Not to mention that some tech companies want to block cell phone signals for security reasons. Of course, cell phone signals still exist
To cope with this situation, Perfectjammer has developed a cell phone signal jammer for large enterprises. The device not only blocks signals from cell phones, but also blocks wi-fi and walkie-talkie signals to prevent leaks of informations