| Item | Specification | 
| Charging Voltage | DC 5V/500mA (Micro USB port) | 
| Internal Battery | Rechargeable and removable 850 mAh battery (3.7V) | 
| Operating temperature | -20° to 55° C | 
| Humidity | 5% to 95% Non-condensing | 
| GSM module | GSM 900/1800/1900Mhz | 
| GPS Chipset | latest GPS (AGPS) | 
| GPS Sensitivity | -158Db | 
| GPS Frequency | L1, 1575.42 MHz | 
| C/A Code | 1.023 MHz chip rate | 
| Channels | 20 channel all-in-view tracking | 
| Position Accuracy | 10 meters, 2D RMS | 
| Velocity Accuracy | 0.1 m/s | 
| Time Accuracy | 1 us synchronized to GPS time | 
| Default datum | WGS-84 | 
| Reacquisition | 0.1 sec., average | 
| Hot start | 1 sec., average | 
| Warm start | 38 sec., average | 
| Cold start | 42 sec., average | 
| Altitude Limit | 18,000 meters (60,000 feet) max. | 
| Velocity Limit | 515 meters/second (1000 knots) max. | 
| Size | 43.8*16.1*53.6mm 
 | 
| Work Frequency | GSM 850/900 /1800/1900MHz |