FM Telephone Transmitter (Kit)

Miniature transmitter attaches in series to your telephone line, transmits the conversation 3/4 of a mile and more to an FM receiver.

A powered ion generator which may be made into a negative or positive ion generator depending on the orientation of the 30 diodes.

The most powerful circuit we've seen that operates on such low voltage (just two AA cells). A range of 300 to 500ft can be expected and, given a good antenna and FM receiver, over 1 mile can be expected.