What is a "A How To Build A Wifi Jammer"? The Most Authoritative Explanation.

What is a WiFi jammer?

A wifi jammer is an electronic device that uses radio waves or microwaves to interrupt or block wireless networks. It can be used for malicious purposes, such as interfering with cell phone communication and GPS navigation systems (notably in cars), but it's also used by many people to stop their neighbors' internet from working.

How do I connect to the Pwned module?

As soon as the module is connected a WiFi named pwned will be hosted. You will have to connect to this WiFi network using a phone or a laptop and enter password as deauther. 3. When connected to the device, open an internet browser and navigate to 192.168.4.1.

Why do we need pulsed jammers?

However, the commercial jammers that we could easily buy over the Internet, use pulsed ones, as it is the cheapest way to achieve a powerful and wideband jammer on a given band. So, what do we do about this? How can we detect that there is some malicious device trying to affect regular wireless networking?

What is the algorithm for Jammer detection?

The algorithm is the following: If _positiveRatio_ % of the last _windowDuration_ jammer detection decisions coming from the sensor (in the raw decisions table) are positive and the JNR (Jammer to Noise Ratio) is greater than _jnrThreshold_, then declare a positive attack event. If not, declare a negative attack event.