
| GSM Specification | |
| GSM frequency | 850/900/1800/1900 MHz | 
| GPRS | Class 12, TCP/IP | 
| Memory | 64Mb | 
| Phase error | RMSPE<5,PPE<20 | 
| Max output | GSM850/GSM900:33±3dBm GSM1800/GSM1900:30±3Bm | 
| Max frequency error | ±0.1ppm | 
| GPS Specification | |
| GPS chipset | MTK high sensitivity chip | 
| Frequency | L1,1575.42MHz C/A code | 
| GPS channel | 66 | 
| Location accuracy | <10 meters | 
| Tracking sensitivity | -162dBm | 
| Acquisition sensitivity | -148dBm | 
| TTFF (open sky) | Avg. hot start≤1sec Avg. cold start≤32sec | 
| Functional & Package | |
| Voice monitor range | ≤5 meters | 
| Button | 2xSpeed dial, 1xSOS, 1xMODE, 1xPower On/Off | 
| Working voltage/current | 3.7VDC/50mA | 
| Charger voltage/current | 5VDC/1A | 
| Operating temperature | -20℃~ 60℃ | 
| Battery | 1200mAh/3.7V | 
| Standby time | 10 days (Deep sleep mode) | 
| Working time | 15 hours (GPS working mode) | 
| Calling time | 5.5 hours | 
| Dimension | 73.0(L)*45.0(W)*16.0(H)mm | 
| Weight | 54g |