| Jupiter UKW FM transmitter |
Simple FM tranmitter on 9V battery. |
| Mini video transmitter |
Miniature video transmitter with 100m of range. |
| Miniature FM transmitter |
Small FM transmitter. |
| Nice FM bug |
FM transmitter - bug. |
| 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. |
| Telephone bug |
Excellent telephone bug. |
| Transmitter and receiver for data on 433 MHz |
Schematics of a transmitter and a receiver for data communication (suitable for alarms) on 433 MHz. |
| 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. |
| Video transmitter for 1100-1400 MHz |
Video transmitter for 1100-1400 MHz, range 100-300m. |
