Nemam preporuku jer nikad nisam ni jedan koristio, ali postoje
pravi mali GPS tracker-i, recimo za pse/macke:
https://tractive.com/en/
"Satellites or Iridium Tracker: This technology does not use GSM, but 66 GPS satellites, found around the planet. For this reason, the technology is less dependent on external factors, so the tracker’s operation is less restricted (for example when used in a dense wood)"
https://tractive.com/blog/en/tech/gp...thout-sim-card
Iako naslov kaze "Without SIM Card", pravi tracker mora imati SIM karticu da moze
javljati poziciju
"It connects to the best available mobile network - just like a phone - to provide location data everywhere your pet goes."