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Logician
Wed Jun 28, 2017 8:57 pm
Forum:
Main Outdoor Warning Sirens Board
Topic:
Questions about sirens
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Views:
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Questions about sirens
I was curious, how do sirens receive the tones to start and stop wailingand over what frequency? Is it wireless or transmitted over a cable?
Also, what is the box at the bottom of the mounting pole used for?
Thanks in advance:)
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