OPOS GPS-UHF
- φ 40mm;
- weight and lifespan depends on number of batteries present in logger, starting with 15g:
1 battery - 1000 GPS positions;
2 batteries - 2000 GPS positions;
3 batteries - 3000 GPS positions; - solar charger;
- DPS – double powering system, solar rechargeable battery and lithium battery for periods with no solar charging.