How to Make your own Cell Phone Jammer
Understanding its Working :
Disrupting a cell phone is the same as jamming any other type of radio communication. A cell phone works by communicating with its service network through a cell tower or base station. Cell towers divide a city into small areas, or cells. As a cell-phone user drives down the street, the signal is handed from tower to tower.
A jamming device transmits on the same radio frequencies as the cell phone, disrupting the communication between the phone and the cell-phone base station in the tower.
It's a called a denial-of-service attack. The jammer denies service of the radio spectrum to the cell-phone users within range of the jamming device.
The actual range of the jammer depends on its power and the local environment, which may include hills or walls of a building that block the jamming signal. Low-powered jammers block calls in a range of about 30 feet (9 m). Higher-powered units create a cell-free zone as large as a football field. Units used by law enforcement can shut down service up to 1 mile (1.6 km) from the device.
Steps To Make a Cell Phone Jammer :
Step 1 -
Use an old aluminium box as a frame for the jammer and old UHF connectors from Motorola cell phone as input/output.
Step 2 -
Attach RF connectors to the circuit.
Step 3 -
Use a nine volt battery and voltage regulator to supply all components. Place the battery inside and separated by the foamed plastic from the other components.
- Place the power on/off switch on the top.
Step 4 -
Screw the input and output antennas (also from old Motorola mobile phone) onto UHF connectors.
Step 5 -
Your cell phone jammer is ready. Enjoy!
Well if u want to have a detailed study, then this may help.
Thank you and stay in touch for more interesting projects like this.
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