SIM68ML

GNSS module

SIM68ML_201123.png
SIM68ML_201123.png

  • Support for EASY™ self-generated orbit prediction
  • Support for EPO™ orbit prediction
  • Integrated low-noise amplifier
  • Jamming elimination

SIM68ML is a high performance and reliable GNSS module. It is a GNSS module integrated with GPS & GLONASS system in an an LCC package type with Airoha's high sensitivity navigation engine, which allows customers to achieve the industry's highest level of sensitivity, accuracy, and Time-to-First-Fix (TTFF) with a lower power consumption.

 

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  • Supports GPS/GLONASS/QZSS
    • L1 band receiver: 1575.42 MHz
  • EASY™ self-generated orbit prediction
  • EPO™ orbit prediction
  • SBAS ranging (WAAS, EGNOS, GAGAN, MSAS)
  • Jamming elimination
  • Integrated low-noise amplifier

Performance data:

  • Receiver:
    • 33 tracking, 99 acquisition channels
    • Up to 210 PRN channels
    • Max. update rate: 10 Hz
  • Sensitivity (tested in a lab environment):
    • Tracking : -165 dBm
    • Reacquisition : -160 dBm
    • Cold starts : -148 dBm
  • Time-To-First Fix (all SV at –130 dBm, GPS & GLONASS mode):
    • Cold start: 28 s
    • Warm start: 26 s
    • Hot start: less than 1 s
    • EPO assist: 13 s (CTTFF)
  • Accuracy:
    • Automatic Position (50% 24 hr static, -130 dBm,GPS & GLONASS mode): < 2.5 m CEP
  • Operation temperature: -40...85 °C 

Interfaces:

  • Serial interfaces:
    • UART
  • Digital I/O:
    • Pulse-per-second (PPS)
    • EINT0 input
  • Protocols:
    • NMEA, PMTK 

Electrical data:

  • Power supply: 2.8...4.3 V
  • Backup power: 2.3...4.6 V
  • Power consumption (at 3.3 V, passive antenna):
    • Acquisition: 25 mA
    • Tracking: 20 mA
    • AlwaysLocate™ mode: 340 μA
    • Sleep mode current: 350 μA
    • Backup: 14 μA
  • Antenna type: active and passive
  • Antenna power: external or internal VCC_RF

Mechanical data:

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