How to build a professional long-range spy UHF transmitter

TomTechTod
TomTechTod
20.3 هزار بار بازدید - 8 سال پیش - I'll show you here how
I'll show you here how to build a very stable crystal stabilized 915MHz UHF FM SMD spy bug transmitter.

The basic version is powered from 3V and is a fully functional UHF audio transmitter.

The full circuit includes voice activation and a DC/DC converter that allows the transmitter to be powered from as low as 0.9V.

Download link full PDF description with voice activation and low voltage input DC/DC converter: available for free:
https://drive.google.com/drive/folder...
Includes: Gerber files, Eagle .brd file, Full Schematic, Detailed PDF description with bill of materials and configuration settings etc.

Le fichier PDF est également disponible en Français.
8 سال پیش در تاریخ 1395/09/17 منتشر شده است.
20,343 بـار بازدید شده
... بیشتر