It has different frequencies and different purposes. I have a device that guarantees the security of my data. It is a multifunctional device that operates as a mobile jammer. It can interfere with the operation of the communication device. This product is radiated in the same frequency range in which it operates. It is equipped with a very powerful antenna. It is a device that prevents mobile phones from being used around the jammer. Designed to protect you.
It can support continuous work for a long time. GPS barrier
Within the range of jamming, it interferes with mobile phones and smartphones. You cannot make calls within this range. It has a built-in dedicated lithium-ion charging area and can be charged from an outlet. You can prevent nuisance calls. When it is necessary to strictly protect confidential information and personal information, it is possible to block communication with the outside and prevent information leakage.
The smartphone electromagnetic wave cover transmits on the same radio frequency as the mobile phone and interrupts the communication between the phone in the mobile phone tower and the mobile phone base station.
I have a small size. Adopts a clever design.
You can block the frequency of your mobile phone. There are many reasons to consider using a cell phone jammer. We may send text messages to each other during the exam. The gps radio wave blocking method is also useful in places where other users can enjoy activities in the hope of silence, such as movie theaters and libraries.