| • | Size of the main unit | : | 7.5*5.4*2.5 (CM) |
| • | Weight of the main unit | : | 0.1KG |
| • | Working temperature | : | -20 ~ 65? |
| • | Humidity | : | 0 ~ 95% |
| • | GSM frequencies | : | 850MHz/900MHz/1800MHz/1900MHz |
| • | GPS chip | : | Latest SiRF-Star III chipset |
| • | GSM antenna’s Gain | : | 3.5dBi |
| • | GPS antenna’s Gain | : | Antenna Gain: -3dBic at 10°; 3.5dBic at zenith; Amplified Gain: 27dB typ. |
| • | Working voltage | : | 12VDC/ or 24 VDC |
| • | Power Consumption | : | Working current: ?250mA Static current: ?60mA Peak current: 300mA |
| • | Internal Backup battery | : | Rechargeable 3.7V 750mAh Li-ion battery |
