| 1.5 V FM bug v2 |
A little fm bug on 1.5 V, of a bit better construction. |
| 450mW FM bug |
450mW FM bug with two transistors. |
| Audio pickup from phone line |
Picks-up audio signal when near a phone that is in use. |
| Cordless phone receiver v1 |
Very good schematics for cordless telephone receiver 30-50 MHz. |
| Cordless phone receiver v2 |
Receiver for cordless telephones with a chip from a cordless phone. |
| Crystal controlled FM bug |
Yet another FM bug controller with crystal. |
| FM bug v2 |
FM bug. |
| FM bug v4 |
Strong and stable FM transmitter. Can be built as a bug. |
| FM bug v5 |
Ekstra small spy bug. |
| Laser eavesdropper |
A device that picks-up window vibrations, amplifies them and plays on a speaker. |
| Spy bug in a pen |
Small and narrowed FM transmitter at 12V. |
| Stronger bug |
Stronger bug and simple to build. |
| Telephone line recorder v1 |
A device that turns-on voice recorder automatically and taps to the phone line. |
| Telephone line recorder v3 |
A device that turns on voice recorder automatically and records phone conversation. |
