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then I fell in love with and I still use every day my Android device. It's got a push to talk button on it. So I run either DroidStar or DV Switch or VoxDMR and it's great. You really don't even need a radio to do what I'm doing right now. But another station talked me into building an ASL node because it's analog and it's different. And you can link up to different nodes and it's just a different concept. So it's a Raspberry Pi and it's a version 4. Is it 4B? It's a 4 anyway. It's not a 3, it's a 4. And the RF device that I just installed two days ago is hotspot radio. I believe their website is hotspotradio.com I believe. And the device is called hotspotradio USB. It is a self-contained unit and it's called...