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a motor or a remote receiver nearby and the signal wasn't good. So they would run a mobile repeater on 400 megahertz and the radios had that operability on it and that was a conventional radio system. I don't know if it still is, but at the time it was a conventional radio system that would patch in backwards. And then it gets even more complicated. You'd have the provincial police, so they do highway patrols in the city and you know if Toronto police are chasing somebody, they get on the highway, well now it's a provincial issue, right? The provincial police have no idea why the local police are chasing this car or whatever. Or there's a manhunt, right? So they did have interoperability but you needed the comm centre to patch into each other. And what they've done now with the new radio system is the new radios that they have basically have a multitude of transmission methodologies.