Electronics Projects

How to Make Cell Phone Signal Jammer

How to Make Cell Phone Signal Jammer,

In this article, you will learn how to make a cell phone signal jammer using 555 timer with less number of components. This circuit is very efficient to jam the signal of all signal bands of mobile communication.

Cell Phone Signal Jammer Circuit:

cell phone signal jammer circuit

Components Required:

  • NE555 Timer
  • BF495 Transistor
  • 2PF Ceramic Capacitor
  • 4.7PF Ceramic Capacitor
  • 3.3PF Ceramic Capacitor
  • 47PF Ceramic Capacitor
  • 30PF Variable / Trimmer Capacitor
  • 1uF 63V Electrolytic Capacitor
  • 10K Resistor
  • 6.8K Resistor
  • 82K Resistor
  • 220E Resistor
  • 5.6K Resistor
  • 24 AWG Copper Wire
  • 3 Pin Mini Slide Switch (SPDT)
  • 3mm LED (Green)
  • 2Pin Male Header Connector
  • 9V Battery Connector
  • 9V Battery

Cell Phone Jammer PCB layout:

Top View:

cell phone signal jammer

Bottom View:

cell phone signal jammer

Download the PCB files and Cell Phone signal jammer circuit diagram

Watch Video:

Note: It is for educational purpose only.

If you have any queries feel free to comment below, we will reply you soon.

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