Cellular disruptors are mainly divided into two categories, portable and fixed, namely desktop phone jammers. Portable cell phone jammer equipment is very common. It can interfere with GSM, CDMA, 3G, 4G, DCS and other signals. Some cell phone disruptor can also specifically target GPS signals.
Portable cell phone jamming devices are equipped with battery charging, and some desktop devices also have them. In the outdoors, the interference range of mobile phone interference equipment is generally affected by the local signal strength and wind speed; indoors, it mainly depends on the structure of the building and the strength of the transmitted signal; in public transportation, it also mainly depends on the local signal strength at the time .
