There is a small wifi jammer that confuses Wifi and GSM/3G signals. You can block the function of the phone. I think it should be installed in a movie theater. When you need to protect your office or meeting room from eavesdropping, use a WiFi deterrent. It has a compact design. In addition to mobile phone frequencies, mobile WiFi jammers also include Bluetooth. You can adjust the transmission power optimally. It can cause a nuisance to the phone and forcibly disconnect it. We are receiving any information to meet general education and entertainment needs. I spent a lot of time. Face the problem of noisy neighbors. The jammer works in many ranges. It can suppress GSM, CDMA and 3G signals. You can find cheap jammers. You can make a good choice according to your needs. The GPS module will operate based on the Wi-Fi and Bluetooth standards of such devices.
Wireless technology is evolving faster. Detecting a specific frequency and transmitting that signal on a regular basis requires a relatively high frequency sweep. Security companies need to catch up. It can be easily used as a jamming device. The telephone signal may be interrupted at operating frequencies such as CDMA and GSM. The device can be installed in different locations. WiFi interference has an effective interference range. There are good and evil points. Has the ability to block Wi-Fi. You can cut off the phone signal. Some devices can achieve the purpose of stealing privacy. Have adverse effects on mobile phones. People are increasingly using home WiFi jammers. Maintain a good environment. There are smart phones that use different frequencies. Select the frequency to be shielded, according to the frequency that needs to be shielded. The radio jammer successfully blocked the signal on the mobile phone. You may lose the signal.