Title Short description
Radio transmitter Very good and powerful radio transmitter.
Radio transmitters All about radio transmitters with schematics of some transmitters.
Satellite TV transmitter Satellite TV receiver is used as a receiver for this transmitter (900-2150MHz).
Simple video transmitter A very simple video transmitter with one transistor.
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.
Two stage FM transmitter A bit more powerful FM transmitter.
Veronica FM transmitter 1W Veronica transmitter with PLL, 1W of RF power.
Video spy Video transmitter up to 100m of range.
Video transmitter 1km range Schematics of a video transmitter with range of over 1km.

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