SIMCOM.EE

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SIM28ML

GPS

SIMCom presents a small, high performance and reliable assisted GPS module-SIM28ML. This is a standalone L1 frequency GPS module in a SMT type and it is designed with MTK high sensitivity navigation engine, which allows you to achieves the industry’s highest levels of sensitivity, accuracy, and Time-to-First-Fix (TTFF) with lowest power consumption.

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SIM28ML

Mechanical data

  • Dimensions: 10.1 x 9.7 x 2.5 mm
  • Weight: 0.5g

Features

  • Support EPOTM orbit prediction
  • Support SBAS ranging (WAAS, EGNOS, GAGAN, MSAS)
  • Support Jamming removing function
  • Low-noise amplifier has been integrated

Interfaces

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

Electrical data

  • Power supply: +2.8V ~4.3V
  • Backup power: +2.0V ~4.3V
  • Power consumption
    • Acquisition: 17mA
    • Tracking: 16mA
    • Backup: 8μA
  • Antenna type
    • Active and Passive
  • Antenna power
    • External

Performance data

  • Receiver type
    • 22 tracking / 66 acquisition- channel GPS receiver GPS L1, C/A Code
  • Max. update rate
    • 5Hz
  • Sensitivity1
    • Tracking: -165 dBm
    • Reacquisition: -160 dBm
    • Cold starts: -148 dBm
  • Time-To-First-Fix2
    • Cold starts: 32s (typical)
    • Warm starts: 3s
    • Hot starts: <1s
    • EPO Assist: 13s (CTTFF)
  • Accuracy
    • Automatic Position3: 2.5m CEP
    • Speed4: 0.1m/s
  • Operation temperature: -40℃~+85 ℃

Certifications

  • CE