With the development of jammers, it is not difficult to achieve the blocking of multi-function signals. If you want your phone to be protected from WiFi signals and other signals at the same time, you only need to buy a portable signal blocker in our store.
The high-power, high-performance mobile phone blocker described here interferes with WiFi calls: 8 Bands High Power Portable Cell Phone Jammers Blocked WiFi GPS 2G 3G 4G, which is a portable signal blocker that can control each band individually It can interfere with the 2G 3G 4G WIFI GPSL1 LOJACK band with an interference radius of 25 meters.
WiFi jammers are used in conference rooms, cinemas, schools, hospitals, etc., such as conference rooms and offices, where you need to be quiet. You can use this WiFi signal jammer to block the mobile phone signal and WiFi signal at certain areas around you depending on the signal strength of a particular area. this interference device output power, the interference range is large, many schools are using.
According to the London Times, British universities are hacked 100,000 times a year, mainly in the latest research areas. Figures show that from 2016 to 2017, Oxford, Warwick University and the University of London suffered a total of 1,152 hackers. Internet security experts say criminal gangs will always use the weaknesses of cybersecurity and sell stolen confidential information to other governments. This situation can be avoided if a high-power wifi signal jamming device is placed in this area.