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详细描述： |
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Specifications/Special Features:
- Designed for kids care
- With superior receiving sensitivity, fast TTFF, and GSM frequencies 850/1800/1900 or 900/1800/1900MHz
- Its location can be real-time or schedule tracked by backend server or specified terminals
- Base on the embedded at track protocol the GT200 can communicate with the backend server through GPRS/GSM network, transfer reports of emergency, geofencing, lower power, and scheduled GPS position
- User can easy to dial the preset phone number by the four quick dial buttons and SOS button
- Service provider can easy to setup their tracking platform base on the functional at track protocol
- Advantages:
- Triple band GSM/GPRS frequency 850/1800/1900MHz or 900/1800/1900MHz
- SOS alarm
- Quick dial preset number
- Built-in SiRF Star III chipset which has -158dBm tracking sensitivity and -142dBm autonomous sensitivity
- Fast TTFF and high accuracy
- Low power consumption
- Long standby time
- Embedded functional at track protocol
- GSM specifications:
- Frequency triple band: 850/1800/1900MHz or 900/1800/1900MHz, compliant to GSM phase 2/2+
- Class 4 (2W at 850/900MHz)
- Class 1 (1W at 1800/1900MHz)
- GPRS: GPRS multi-slot class 10, GPRS mobile station class B
- RMS phase error: ≤5deg
- Maximum out RF power: 33.0 ±2dBm
- Dynamic input range: -15 to -102dBm
- Receiving delicacy: class II RBER≤2, (-102dBm)
- Stability of frequency: superior to 2.5ppm
- Maximum frequency error: ±0.1ppm
- GPS specifications:
- GPS chipset: SiRF Star III GPS receiver sensitive, fast, and accurate
- Sensitivity: autonomous acquisition -142dBm
- Hot start: -155dBm
- Tracking: -156dBm
- Channels: 20 channel all-in-view tracking
- TTFF (open sky):
- Cold start: 44s average
- Warm start: <38s
- Hot start: <2s
- General specifications:
- Dimension: 74.8 x 44.5 x 17mm
- Backup battery: lithium polymer 850mAh, 3.7V
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