Mobile spy clock

 

Spy gear has fascinated movie goers for decades. While many of the sophisticated, high-tech gadgets created for film may be fantasy, surveillance equipment is commonly employed by detectives and private investigators in real life. You can make spy gear at home and have fun pretending to be a secret agent or detective.

Mobile spy clock

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At OzSpy we strive to provide the latest, most simple to use and reliable electronic security and surveillance equipment. If you have issues with theft in your home or business, issues with neighbouring properties or other matters that need a reliable, evidence level quality then we are here to help you. At OzSpy all our team are licensed professionals and all our equipment is covered by lifetime support, our peace of mind warranty and will always do what we say it will.

Spy gear has fascinated movie goers for decades. While many of the sophisticated, high-tech gadgets created for film may be fantasy, surveillance equipment is commonly employed by detectives and private investigators in real life. You can make spy gear at home and have fun pretending to be a secret agent or detective.

Here is a simple RF bug detector that will help you detect spy bugs and can operate up to 2 GHz. Below are some essential things required for this circuit:

It can detect any RF waves with frequencies up to 2 GHz due to antenna circuitry and to input amplifier stage that is made of BFR91A transistor. The amplification is pretty high because of the way the base is polarised. The RF signal detection is made with a Schottky diode that has a low voltage on junction and is operating at a high frequency.

Further, the obtained voltage is filtered and amplified with A1. Its value is enough to be displayed on the scale of a microammeter. A2 and A3 sections together with the other components form a voltage controlled oscillator. The sound is amplified by A4 section and then is applied to a 8Ω/0.5W speaker. Use a telescopic antenna that can retract to a small length (~10cm) and can extend up to 1 meter.