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by Logician
Wed Jun 28, 2017 8:57 pm
Forum: Main Outdoor Warning Sirens Board
Topic: Questions about sirens
Replies: 1
Views: 2567

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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