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Yeah, look, a friend of mine, the technician who's my best friend actually, he does a hell of a lot for radio in this part of the region, where I live, and he's very fancy, this guy. He's actually working on linking P25 repeaters together by using multicasts. He's currently got some P25 repeaters set up on the uni-cast where it's just two repeaters that all are linked together, and it's done via IP, via the internet. I can't sort of go into it too technical because I'm not an IP kind of person, but he's done that, and what he's looking at is going multicast, where we can run as many repeaters as we like together, but he's doing some tests using a 4G SIM card because on these repeater sides, we don't have some of them. We don't have internet access on them, and he's doing a test where he's trying to see if it's possible if we can run a 4G SIM at some of these sites and use that to link to the other repeaters on P25. So we're at the early stages of testing that at the moment, but if that can be done, it's going to be an amazing thing to link them all together. But currently... So Plan A is to go multicast and link, I don't know, probably five or six of them all together. If that's not possible due to the 4G, we'll have to have probably three systems of two repeaters linked together with the uni-cast, which will be OK for a Plan B. But anyway, so that's what he's working on at the moment. So all new stuff there, bit here.