N8B 4W Portable 8 Bands Cell Phone GPS WiFi Lojack Jammer

Everyone hates cell phones-movies, classrooms, funerals at inappropriate times (especially for those with happy disco ringtones), and of course religious services. Kenyan Muslims are happy to find devices that interfere with mobile phones: Kenya's Imam has long complained that mobile phones keep ringing.There is also an emergency conference, and you do n’t want to attend any unwanted calls or messages during important meetings, you can use cell phone blocking technology. The technology enables people to avoid calls and text messages without turning off their phones. Enabling the technology will directly block the signal from the base station, making it impossible for people to communicate with others through mobile phones.

This 8 Bands Portable Cell Phone Jammer,can jamming all types of Android phones, Tablets, Smart Phones, iPhones, Windows phones etc. that use 2G, 3G, 4G, GPS L1-L5, LOJACK, or Remote Control 315Mhz 433MHz and Bluetooth WIFI wireless signals popular in 2019 and in years to come, build-in Ni-Mh battery 4700mAH working 1.5 Hours,Basically, both indoor and outdoor can be used, which brings you a lot of convenience.

Precautions:
1.The jammers are customized according to the frequency bands of different countries, please confirm that the purchase country and the actual use country are consistent. Otherwise it can not be used.Please read the jammer function before purchasing.
2.If the low power jammers(such as handheld jammers) to blocker signal device(such asWIFI router, Bluetooth audio equipment, etc.), the effect will be poor or even can not jammer.
3.It is forbidden to use while charging.
4.Do not use handheld jammers as desktop jammers.
5.Do not use jammers before connecting the antenna.