In fact, jamming devices of various cut off frequency types on the market are becoming increasingly popular. So if you are buying a WiFi / Bluetooth / Wireless Video Jammer, there are a few points you need to know. First, you must consider whether you want to buy a desktop or portable jammer. Once this is determined, you need to understand the regulations in your country. The most important thing is to understand the frequency bands to interfere with.
The most popular wifi jammer on the market are lightweight and very small, and most manufacturers are working on developing portable jammers that are easy to use in public places. The operation of the device is very simple. You only need to switch on the side of the host to shield all WiFi signals, including the Bluetooth frequency band. For example, car navigation and mobile phones are used for this type of device, which can block WiFi signals and intercept GPS signals.
When you want to create a quiet atmosphere (such as a library, restaurant, school classroom, etc.), annoying phone calls will bother you, and important meetings and business negotiations are often interrupted by mobile phone calls. This blocking device is useful if you want to move your phone out of service area. These devices are very different, some of them also provide other functions, where advanced devices can cover multiple frequency bands such as CDMA, AMPS, GSM, TDMA and other signals. This is why there are so many different jammer products. If you plan to use different frequencies and different situations, it is recommended that you spend more money on this device, about $ 500.