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. |
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 3x |
Three FM bugs on 3V and 9V. |
FM bug 420-480 MHz |
Little FM bug on 420-480 MHz made out of Nokia parts. |
FM bug v2 |
FM bug. |
FM bug v5 |
Ekstra small spy bug. |
FM bug v6 |
Great FM bug, small dimensions. Works at 3V! |
FM receiver |
Mini FM receiver with TDA7000 IC. |
FM transmitter 200mW |
FM transmitter 200mW. |
FM transmitter 3W |
3W FM transmitter 88-108 MHz. |
FM transmitter 50-300mW |
Quality FM transmitter with adjustable RF power of 50-300mW. |
Miniature FM transmitter |
Small FM transmitter. |
Nice FM bug |
FM transmitter - bug. |
PLL bug transmitter |
Great little transmitter controlled with PLL. |
Small bug on 1.5V battery |
Stable and very small transmitter, 500 hours with AA battery. |
Spy bug in a pen |
Small and narrowed FM transmitter at 12V. |
Stronger bug |
Stronger bug and simple to build. |