Navisys Technology Corp.

Model Number: GT-320, Google Map on Smart Phone Brand Name: Navisys Key Specifications/Special Features: ApplicationsPersonal trackingVehicle tracking and securityPet trackingAsset tracking

Logistics management

Mechanical Data –

• 75 x 41 x 22 (mm)
• Weight – 77g

Technical Specifications
GSM/GPRS Characteristic Data

• Quad-band
  • 900/1800, 850/1900 MHz
  • GSM phase 2/2⁺ compliant
• GPRS connectivity
  • GPRS multi-slot Class 10 (default)
  • GPRS multi-slot Class 8 (optional)
  • GPRS mobile station class B
• Coding scheme：CS-1, CS-2, CS-3, CS-4
• Data transfer rate
  • Downlink 85.6kbps max.
  • Uplink 42.8kbps max.

GPS Receiver Performance Data

• Receiver type：L1 frequency, C/A code
• Horizontal Position Accuracy
  • < 2.5m (Autonomous)
  • < 2.0m (WAAS)
  • (CEP, 50%, 24-hour static, -130dBm, SEP < 3.5m )
• Velocity Accuracy
  • <0.1 m/s (speed)
  • <0.5° (heading)
  • (50% @ 30 m/s)
• Time To First Fix：Autonomous (All at -130dBm)
• Hot start：1sec
• Warm start：32sec
• Cold start：32sec
• Sensitivity (Autonomous)
  • -142dBm (acquisition)
  • -159dBm (tracking & navigation)
• Max. Update Rate：1Hz
• Max. Altitude：< 18,000 m
• Max. Velocity：< 1,852 km/hr
• Protocol Support
  • NMEA 0183 v2.3 or newer
  • UART: 4800~115200bps N,8,1;
  • GGA, GSA, GSV, RMC, VTG
• SBAS Support：WAAS, EGNOS, MSAS
• Dynamics：< 4g

Electrical Data

• Power supply：3.7 VDC, 1100mAh Li-ion battery and/or 5VDC external power
• Power consumption：40~320mA depending on usage

Environmental Data

• Operating temperature：-20 ~ 60℃
• Storage temperature：-20 ~ 35℃ (long-term storage)