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This kit allows you to send monaural sound through a plastic 1mm fiber optic cable. A matched transmitter/receiver pair from Motorola is provided. Two circuit boards are included with a microphone at one end and a speaker at the other. 14 feet of fiber optic cable is supplied. The circuit will transmit over 200 meters. Requires two 9V batteries (not included). For continuous operation, power supplies are recommended.
Read product sheet PDF. View product schematic. View K26 circuit board. Don't forget you need two power supplies.
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