My little apprentice today. My youngest son (Maven) and I were trying to map the coverage of a DIY indoor gateway at home using the TTN mapper mobile app. Of course to make it more fun for him, we also looked for dinosaurs around the area (Jurassic World Alive mobile game) while checking if the packets were picked up by the gateway from the node we're carrying . We haven't found a rare dinosaur today but we were able to collect a few DNA samples. ;) And from this quick test, it seems that the indoor gateway was able to reach more or less 100-meter range.