When checking whether the mobile phone is blocked, be careful not to only check the number of signal bars on the mobile phone, because the number of signal bars on the mobile phone is sometimes false and does not represent the current communication status of the mobile phone. At this time, we cannot draw conclusions too early. This Directional Cell Phone Blocker has no effect. Instead, you should call your phone intermittently. You can try calling a local toll-free or landline number. If the call fails, the judgment is still within the shielding range. Otherwise, the shielding range is exceeded. After testing all the frequency bands, the shortest shielding radius of a certain frequency band is selected as the effective shielding radius of the area cell phone jammer . The location can be estimated based on this when making a large-area cellular layout.
Do you know how to block your phone's radio waves? I heard that the radio waves in some buildings cannot reach the mobile phone. With a cell phone jammer, you can make calls and control outgoing calls, including whether the call is in or out of service area. We manufacture Directional Cell Phone Blocker devices and sell them in online auctions. It has many uses. Recently, the number of cases used to test the site is increasing. Helps to ensure the fairness of the examination room. This is an effective measure. The relevant government and this use are all supported. Everyday life related to sensitive data is a necessary measure. Your personal data is always at potential risk if you have wireless access to the nearby internet. There is less face-to-face communication between people. In this case, you need a powerful jamming device. In this modern society, many people cross the road. Stare at your phone and ignore the car. I don't care about safety. Use your phone's jammer when appropriate to protect yourself.
