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GSM Specification
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| 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
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| Memory | 64Mb |
| Max frequency error | ±0.1ppm |
| Receive sensitivity | Class II RBER2%(-102dBm) |
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GPS Specification
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| 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
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Main Specification
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| 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
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| Antenna | Built-in quad band GSM antenna，25 x 25 x 4mm GPS ceramic antenna |
