| Crystal controlled FM bug |
Yet another FM bug controller with crystal. |
| Extra mini FM spy bug on 1.5V |
Yet another FM spy bug (but better) 88-109.5 MHz. |
| FM bug 0.5W |
Schematics of a stronger FM bug, 500mW of RF power at 9V. |
| FM bug 420-480 MHz |
Little FM bug on 420-480 MHz made out of Nokia parts. |
| FM bug v2 |
FM bug. |
| FM transmitter 200mW |
FM transmitter 200mW. |
| FM transmitter 3W |
3W FM transmitter 88-108 MHz. |
| Miniature FM transmitter |
Small FM transmitter. |
| Small bug on 1.5V battery |
Stable and very small transmitter, 500 hours with AA battery. |
| Stronger bug |
Stronger bug and simple to build. |
