Concurrent reception of GPS/QZSS, GLONASS, BeiDou Market leading acquisition and tracking sensitivity Optimized accuracy and availability with Survey‑in and single‑satellite timing Minimized power consumption with low duty‑cycle operation Maximized reliability with integrity monitoring and alarms Multi‑GNSS raw data

Mechanical data

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


  • Support GPS/GLONASS/Galileo/QZSS
  • Support EASYTM self-generated orbit prediction
  • Support EPOTM orbit prediction
  • Support SBAS ranging (WAAS, EGNOS, GAGAN, MSAS)
  • Support Jamming removing
  • Low-noise amplifier has been integrated


  • Serial interfaces
  • Digital I/O
    -EINT0 input
    -Pulse-per-second (PPS)
  • Protocols

Support evaluation products

  • SIM68 EVB KIT with USB V2.0 full speed interface

Electrical data

  • Power supply
    +2.8V ~4.3V
  • Backup power
    +2.3V ~4.6V
  • Power consumption2,6
    -Acquisition: 25mA
    -Tracking: 21mA
    -AlwaysLocateTM: 340uA
    -Backup: 14μA
  • Antenna type
    Active and Passive
  • Antenna power
    External or internal VCC_RF

Performance data

  • Receiver type
    33 tracking / 99 acquisition- channel GNSS receiver
  • Max. update rate
  • Sensitivity1
    -Tracking: -165 dBm
    -Reacquisition: -160 dBm
    -Cold starts: -148 dBm
  • Time-To-First-Fix2
    -Cold starts: 28s
    -Warm starts: 26s
    -Hot starts: <1s
    -EPO Assist: 13s (CTTFF)
  • Accuracy
    Automatic Position3: <2.5m CEP
    Speed4: 0.1m/s
  • Operation temperature5:
    -40℃~+85 ℃
  1. Demonstrated in liberary
  2. All SV @ –130 dBm, GPS & GLONASS mode
  3. 50% 24 hr static, -130dBm, GPS & GLONASS mode
  4. 50%@ 30m/s
  5. When at -40℃~-30℃, the sensitivity will be somewhat worse
  6. @3.3V with a passive antenna