project | describe |
Input voltage | 4.9-5.5VDC |
Input Current | ≧1000mA(5VDC) |
Battery voltage/capacity | 3.7V/1200mAH rechargeable polymer lithium ion battery |
Battery life | ≧20 hours (depending on the frequency of data reporting and network conditions) |
Operating temperature | Temperature: -20~+60℃ |
waterproof level | IP67 |
shell material | PC+10%GF |
Overall size | Length, width and height: 70.5mm × 34.4mm × 21.9mm |
Lanyard length | Adjustable up to 40cm |
SIM card | Small card (NANO-SIM) |
Targeting | GPS, GLONASS, BeiDou, Galileo, WIFI assisted positioning |
Receiving sensitivity | -158dBm |
Start Time | Cold start is less than 120 seconds, hot start is less than 30 seconds (open area, sunny day without obstruction, including coordinate optimization time) |
positioning accuracy | ≤15 meters (open ground, no shelter in sunny days) |
Targeting criteria | The number of searched stars is ≥4, and the signal-to-noise ratio is greater than 30dB |