FindMyCat (or dog) is a well-designed open-source tracker for your furry animal
Yes, you could use a AirTag or similar, but this is LTE-M enabled with a SIM and full GPS, and it powers down into an idle mode while the pet is at home. It ends up having a 6-month battery life. The collar is built around a Nordic Semiconductor NRF-9160, a System in a Package...
