Phimi
A self-hosted GPS platform: the cats' V53 trackers connect straight to a Rust ingest service on Kubernetes, positions land in PostgreSQL/PostGIS, and a Next.js dashboard shows where everyone is.
4Beardpet V53 trackers, one per cat
JT/T 8082013 protocol with V53 extensions
4G1NCE SIM on the Sunrise network
0dependencies on iGPS123 once migrated