wireless telephone line spy circuit


Posted on Feb 4, 2014

Here`s a design of a phone bug circuit. This wireless telephone line spy circuit can be used to transmit the phone conversation to a nearby FM radio. This circuit must connected to a normal phone line. This is the figure of the circuit; The first transistor is turned off, if the voltage drops to less than 15v (if the telephone line is in use). It w


wireless telephone line spy circuit
Click here to download the full size of the above Circuit.

ill enable the second transistor to oscillate at approx 100MHz. Then transmit the phone conversation to a nearby FM radio.




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