What is the difference between indoor and outdoor mobile jammers?

The most widely used mobile phone standard today is our global mobile communication system. GSM network bandwidth is very important for the use of electronic equipment. Therefore, in many places where the use of mobile phones is prohibited, interference devices that interfere with the basic communications of mobile phones have been installed. This is also called a cell phone jammer. To buy a gsm scrambler, in addition to the gsm network, you also need to shield the signal type, such as whether you need to shield the 3G and 4G network bandwidth. In this way, you can buy a cell phone jammer that can block all cell phone signals. In addition, I bought an electronic jamming device, so I need to consider where to use it. Portable mobile phone jammers are convenient for indoor and outdoor use, and desktop jammers use a variety of antenna designs. As the name implies, it will not only be widely used by individuals, but also by large-scale places such as prisons and courts. It has a wider interference range and more types of signal shielding. I personally recommend the 8-antenna portable gsm scrambler. It is sufficient to meet your needs and provide a quiet reading environment when you need it. For enterprises and key organizations, a powerful multi-antenna desktop jammer will be your better choice. This is very obvious in terms of function and interference radius, which is sufficient for large-scale applications.