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(Note: Speaker Included, not shown in Pic)
Fiber Optic Voice Link
Uses a matched transmitter / receiver pair from either Motorola or
Industrial Fiber Optics Company. Allows you to send sound through plastic 1mm fiber optic
cable. Two circuit boards with a microphone at one end and a speaker at the other; (14'
fiber optic cable included). The maximum range is about 220 yards - DIY Kit 26.
- Transmitter Board: L: 1" W: 1-7/8" H:
- Receiver Board: L: 1-3/4" W: 1-5/8" H:
- Requires 2 - 9 Volt
batteries (or 9VDC Power Supply, screw terminals for easy power
CK1502.pdf for complete
details, including schematic and theory of operation. Requires
Adobe Acrobat Reader available at