What is a "Cell Phone Jammer Diy"? The Most Authoritative Explanation.

What is a cell phone jammer?

Cell phone jammer is an electronic device that blocks transmission of signals between a cell phone and a base station. By using the same frequency as a mobile handset, the cell phone jammer creates strong interference for communication between the caller and receiver.

What is a GSM-800 jammer?

Most of the mobile phones use the 800MHz band for communication and hence the name GSM-800, does that ring a bell? So, basically your mobile phone Jammer operates around this frequency range (GSM-800) to block the signals. What equipment do you need?

Why does my phone jam when I make a call?

GSM800 is the most popular band for cell phones. Such cell phones have their transmitted frequency always separated exactly by 45MHz from its received frequency. So when the call attempt is made it jams itself via returning signal. Its own signal! It must be fun to make some annoying phone talker to stop in this way.

What do you need to build an RF jammer?

Also, you'll need a good RF-testing equipment, an aluminium box, ultra-high frequency connectors which can be found in old phones, 9-volt battery, and a voltage regulator. How to build? Once you gather all the above-mentioned equipment, start building the jammer.