How to Make a Mobile Phone Jammer at Home: 7 Simple Steps

By Prajith

| Updated: Tuesday, September 20, 2016, 12:22 [IST]

These days phones have become an integral part of our life. We carry them everywhere and at times it can be downright annoying to hear your phone ringing especially at places you expect silence.

How to Make a Mobile Phone Jammer at Home: 7 Simple Steps

We all need those peaceful moments after a busy day. But, ever wondered what can we do about it?

Well, using a mobile phone jammer to block the signals is one option. Do note that we don't recommend using mobile phone jammer for personal use since it is illegal. But, if you ever need it, here's how to create one using simple equipment.

How does it work?

Before constructing one, let's just know how it works in the first place. 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?

You need a clock oscillator operating at a frequency range of 45MHz as a noise source to drive the Local Oscillator port which is located on a mini-circuit mixer.

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.

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How to build?

Once you gather all the above-mentioned equipment, start building the jammer.

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Step1:

Use the aluminium box as the outer frame as protection for the equipment.

Step 2:

Use the ultra-high frequency connectors as sources for input and output.

Step 3:

Now, attach the RF connectors to the mini-circuit mixer.

Step 4:

Supply power using the 9-volt battery and voltage regulator to all the components.

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Step 5:

Place a power on/off button on top of the aluminium body.

Step 6:

Lastly, connect the input and output antennas to the ultra-high frequency connectors.

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Step 7:

Turn on the button to start jamming signals.

PLEASE NOTE: GizBot will not be responsible for the consequences. Users should proceed at their own risk.