Determine Why you are Using Jammer and set up phone jammers

　　Before you can turn the jammer on and expect success, you’ll need to go through a thorough device vetting process. It is extremely important to determine why you are buying a phone jammer and what situations you’ll need it to perform. Buying the incorrect jammers gps can cause poor performance or complete failure.

　　Whose phone signals do you want to block? Will you be blocking signals within a building or outside? Will you have the ability to change batteries or plug in your jammer while you need it to function?

　　Common situations for using a phone jammer are at an educational institution, on public transport, at the workplace, in places of worship, at political institutions, in prisons, and performance venues.

　　Each venue has its own difficulties for a jammer to do its job, so make sure you understand exactly how you’ll be using the device.