We can see that in the streets, bus stops, movie theaters, etc., almost everyone carries a mobile phone with them. Yes, we all know that misusing our phones can cause serious problems. Today, a cell phone is not just a cell phone, it is more like our friend, closer than a friend. A wifi jammer is a signal blocking device used to block a cell phone in use.
https://www.dojammer.com/wirel....ess-wifi-blockers.ht

The latest Unique High Power handheld cell phone signal Jammer with 8 high gains antennas 28 watts, good jamming for mobile phone GSM CDMA DCS 2G, 3G, 4G 5G, Also block LOJACK WIFI2.4G GPS up to 50meters, More Stronger jamming than the others normal portable jammer model.
https://www.dojammer.com/8-ban....ds-portable-cell-pho

While these devices may be annoying for guests who want to get out of their rooms easily or have their televisions tuned to the right station, it could result in serious injury if someone gets trapped inside an elevator because it wasn’t working properly because of your jamming device.
https://www.dojammer.com/cell-phone-jammers.html

When you suspect that someone is using GPS to track your location, imagine that with the help of a GPS device, someone can hear every word of your conversation, which can be very detrimental to you. Furthermore, the surveillance equipment is so small that it is nearly impossible to find its location. However, if you install a GPS jammer in your car, it will not only save you time to find it, but also keep you safe.
https://www.dojammer.com/gps-blocker-jammers.html

Ukraine has complained that its U.S.-supplied drones have fallen prey to the jamming capabilities of Russia, which Russia supplies to Russian-backed separatists in eastern Ukraine. Drone jammers use the same approach as many drone jamming systems, which send radio waves far away to obfuscate.
https://www.dojammer.com/uav-drone-blockers.html