firehouse

With some help from a few people to get me past a couple of walls I ran into, I was able to figure out how to use a CDM as a station alarm for when the tones go off. This radio was pulled out of our ambulance because it stopped making PL tones on transmit, but it decodes PL fine and receive...

Ok, so I trying to design a cost-effective solution to have a speaker system through-out our firehouse. The speaker system will have 2 sets of speakers, 6 Alerting Speakers, and 6 Speakers for the Scanner. The 6 Alerting Speakers will Have 1 Volume control in-wall knob. While, the 6 scanner...