08-16-2017, 10:20 PM
FM Transmitter
The main components are microphone, antenna, 2N2222A NPN Transistor. The range of the transmitter when running at 9V is about 300 feet. Running it from 12V increases the range to about 400 feet. This transmitter should not be used as a room or telephone bug
http://pptpdf.net/subcategory.php?categ=...ct%20list1