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Product description

SIMCom presents a high performance host-based GPS module-SIM08, It cooperates with SIM900 which host the GPS software inside for many wireless applications, such as automotive, tracking, etc. With Embedded AT running inside SIM900, it will eliminate the needs of external MCU to lower the total product cost and enables faster time-to-market.

Technical specifications

Mechanical data

  • 11.5mm*9.5mm*2.3mm
  • 16 SMT pads (castellation). 1.2mm pitch
  • Weight: 0.4g

Performance data

  • Receiver type
    42-channel GPS L1 C/A code,High-performance STE engine
  • Max. update rate: 1 Hz
  • Sensitivity
    Tracking: -161 dBm
    Reacquisition: -151 dBm
    Cold starts : -144 dBm
  • Time-To-First-Fix
    Cold starts: 35s (typ.)
    Hot starts: 3s (typ.)
  • Accuracy
    Horizontal position: <2.5m CEP
  • Operation temperature: -40°C to +85 °C


Electrical data

  • Power supply: 3.0V to 5.5V
  • Power consumption
    Acquisition 43mA
    Tracking 41mA
  • Antenna type: Active and passive
  • Antenna power: External or internal VANT_OUT 2.8V


  • Serial interfaces (works with SIM900 over SPI)
  • Digital I/O
    - PWR_CTL
    - NRESET
  • Protocols: NMEA0183


  • RoHS
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