A one transistor Surveillance Spy Bug.A FM Transmitter

This FM Transmitter is very easy to build.
Frequency range: 92Mhz -107Mhz
Power consumption ONLY:18mA at 9v
Capacitors :
Capacitor:100n x 2
Capacitor:1n
Capacitor:10p x 2
Capacitor:33p
Resistors :
Resistor: 100R
Resistor:22k
Resistor:47k
Transistor: 2n3904 \and many others will work.
10mm Microphone
Antenna wire: 65CM or 160cm for better range.
L1: Coil: 6 turn \0.5mm wire
Battery lead and wire.
battery clip
Home made Circuit board