Features

• Support EASYTM self-generated orbit prediction
• Support EPOTM orbit prediction
• Support AGPS
• Support SBAS ranging (WAAS, EGNOS, GAGAN, MSAS)
• Support Jamming Removing
• Low-noise amplifier has been integrated

Interfaces

• Serial interfaces UART
• Digital I/O    
  • GPIO
  • TIMEMARK (PPS)
• Protocols
  • NMEA
  • PMTK
  • PSIM      

Performance data

• Receiver type:    22 tracking/66 acquisition- channel GPS receiver, GPS L1, C/A Code
• Max update rate 10Hz
• Sensitivity:
  
  • Tracking:        -165 dBm
  • Reacquisition: -160 dBm
  • Cold starts:    -148 dBm

• Time-To-First-Fix2
  
  • Cold starts       32s (typical)
  • Warm starts     30s
  • Hot starts        <1s
  • EPO Assist       13s（CTTFF)
• Accuracy
  • Automatic Position3         2.5m CEP
  • Speed     0.1m/s
    
    

Electrical data

• Power supply           2.8V~4.3V
• Backup power          2.0 V~4.3V
• Power consumption
• Acquisition       17mA
• Tracking          16mA
• Backup            8uA

Antenna 

• Antenna type           Active and passive
• Antenna power        External

Interfaces

• Dimensions       10.1*9.7*2.5mm
• Weight              0.5g

Operation temperature       

• -40℃~+85 ℃

Certifications(Plan)

• CE

Documents

• SIM28M_Hardware-Design_V1.00