This mobile phone detector circuit helps to track the presence of an activated cell phone by detecting the signals in the frequency range of to
How to Make Your Own Cell Phone Jammer. Cell phone jammers are installed in no disturbance zones such as schools or colleges. But how exactly does this instrument jam cell phones? These jamming instruments prevent mobiles from receiving.
Night vision goggles were invented for use by the military. Over the years, they have become popular among law enforcement agencies and hunters. The technology that makes night.
Wifi router hack: embedding Linux in your router