A cell phone jammer ( https://www.jammermfg.com/cell-phone-jammers.html ) is a device that can block mobile phone signals. It is usually used to prohibit the use of mobile phones in certain places, such as conference rooms, cinemas, hospitals and other places that require quietness and confidentiality. https://hananana.waarbenjij.nu/

In addition, a wi-fi blocker ( https://www.jammermfg.com/wifi-jammer.html ) is also a device that can block wifi signals, which is usually used to protect the security and privacy of data.

In addition, a gps jamming device ( https://www.jammermfg.com/gps-jammer.html ) can interfere with GPS signals, which is usually used to prevent drone intrusion.

In addition, drone blockers ( https://www.jammermfg.com/drone-jammer.html ) are devices that can interfere with drone signals, and are usually used to prevent drone intrusion.

Finally, VHF jammers ( https://www.jammermfg.com/uhf-vhf-radio-jammer.html ) are devices that can interfere with VHF signals, and are usually used to prevent interference with radio communications.