Suction Cup Phone
Pickup Kit
No electrical connection to the telephone is required, attach a suction
cup to the hand set an turn on the amplifier. This project permits group listening to
phone calls. You can also use it to monitor any other oscillating electrical field. Dual
IC's provide a good quality amplifier, the circuit runs on 6 volts DC. Everything included
except the batteries
Specifications:
- L: 1-3/4" W: 1-3/4" H: 1".
- Requires 2 AA
batteries.
- Includes speaker and suction cup
(not show in picture).
See
CK601.pdf for complete
details, including schematic and theory of operation. Requires
Adobe Acrobat Reader available at
www.adobe.com
for FREE!
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