| GSM Specification |
| Communication System |
GSM |
| Frequency |
GSM 900/1800MHz |
| GPRS |
Class 12, TCP/IP |
| Max frequency error |
±0.1ppm |
| Output power |
GSM 850/900MHz (33dBm ±3dBm) |
| GSM 1800/1900MHz (30dBm ±3dBm) |
| Receive Sensitivity |
Class II RBER 2%(-102dBm) |
| GPS |
| GPS Chip |
MTK high sensitivity GPS chip |
| Frequency |
GPS L1, 1575.42MHz |
| Channels |
66 |
| Location Accuracy |
<10 meters |
| Tracking Sensitivity |
– 165dBm |
| Acquisition Sensitivity |
– 148dBm |
| Location time |
Hot start：≤1sec(open sky) |
| Cold start：≤32sec(open sky) |
| Function & Package |
| Voice monitor range |
≤ 3M |
| Button |
1xSOS |
| LED Indicator |
Green/Blue/Green |
| Charger |
5VDC/1A |
| Operating Temperature |
-20℃+60℃ |
| GSM/GPS antenna |
Built-in quad band GSM antenna/18.0 x 18.0 x 2.0mm GPS ceramic antenna |
| Working time |
3 days |
| Standby time |
3-4 days |
| Device dimension |
45.0 x 45.0x 16.0mm |
| Device weight |
33g |
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