
| GSM Specification | |
| CPU | CPU MTK2503, dominant frequency260MHz | 
| Communication mode | GSM | 
| GSM frequency | 850 / 900 / 1800 / 1900MHz | 
| GPRS | Class 12 ,TCP/IP | 
| Max output | GSM850/GSM900:33±3dBm GSM1800/GSM1900:30±3Bm | 
| Memory | 64Mb | 
| Max frequency error | ±0.1ppm | 
| Receive sensitivity | Class II RBER2%(-102dBm) | 
| GPS Specification | |
| Chip | MTK high sensitivity GPS chips | 
| Frequency | GPS L1,1575.42MHz | 
| GPS channel | 66 | 
| Location accuracy | 5-10meters | 
| Tracking sensitivity | -165dBm | 
| Acquisition sensitivity | -148dBm | 
| TTFF (open sky) | Avg. hot start≤1sec Avg. cold start≤32sec GNSS: ≤10sec | 
| Main Specification | |
| Wi-Fi location accuracy | 3-50meters | 
| Bluetooth | CSR BLE 4.0 | 
| iBeacon location accuracy | 1-10meters | 
| G-Sensor | BMA 250E | 
| Avg working current | About 60mA | 
| Avg standby current | About 4mA | 
| Charging | Solar energy (6V/5W) | 
| Battery | 10000mAh (Built-in 3.7V/2500mAh x 4 bytes 18650) | 
| Device dimension | 73.8(L)× 25.9(W)× 12.2(H)mm | 
| Waterproof grade | IPx6 | 
| Working condition | Temperature:-20-60℃ Humidity:5%-95% non-condensing | 
| Antenna | Built-in quad band GSM antenna,25 x 25 x 4mm GPS ceramic antenna |