I tried the first version of the AirWave, and it wasn’t ready for prime time. I understand they’ve made some improvements since then, but I’d still strongly recommend doing what I ended up doing: getting an HD Homerun and using it with the antenna of your choice. If you’re using iOS or Apple TV, add the Channels app. This combo has been great.
One thing to note: HD Homerun doesn’t have WiFi, so you’ll need to connect it directly to your router or to a switch.
Odd-EdChannels. It turns out it's also available for Android and Fire TV. I haven't used those, but the iOS and Apple TV app are very nice. The Apple TV and iOS apps are separate purchases, but if you have multiple Apple TVs, or multiple iOS devices, you only have to buy it once per device family. I assume something similar applies to Android and Fire TV.