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SIM908
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  • SIM908
ID: 187841

GSM/GPRS with GPS, quadband GSM 850/900/1800/1900MHz, SIMcom, RoHS

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SIM908
GSM/GPRS with GPS, quadband GSM 850/900/1800/1900MHz, SIMcom, RoHS


SIM908 module is a complete Quad-Band GSM/GPRS module which combines GPS technology for satellite navigation. The compact design which integrated GPRS and GPS in a SMT package will significantly save both time and costs for customers to develop GPS enabled applications.

Featuring an industry-standard interface and GPS function, it allows variable assets to be tracked seamlessly at any location and anytime with signal coverage.

Features

  • Quad-Band GSM 850/900/1800/1900MHz
  • GPRS multi-slot class 10
  • GPRS mobile station class B
  • Compliant to GSM phase 2/2+
    • Class 4(2W @ GSM850/900MHz)
    • Class 1(1W @ GSM1800/1900MHz)
  • Control via AT commands (GSM 07.07 and 07.05 and SIMCom enhanced AT commands)
  • SIM application tool kit
  • Low power consumption
  • Supply voltage range:
    -GPRS: 3.2 ~ 4.8 V
    -GPS: 3.0 ~ 4.5V
  • Operation temperature: -40°C to +85°C
  • Dimension: 30mm x 30mm x 3.2mm


Specifications for SMS via GSM/GPRS

  • Point-to-point MO and MT
  • SMS cell broadcast
  • Text and PDU mode


Specifications for audio

  • Tricodec
    • Half rate (HR)
    • Full rate (FR)
    • Enhanced Full rate (EFR)
  • Hands-free operation
  • Echo cancellation


Specifications for data transfer

  • GPRS class 8/10: max. 85.6 kbps (downlink)
  • PBCCH support
  • Coding schemes CS 1, 2, 3, 4
  • CSD up to 14.4 kbps
  • USSD
  • Non transparent mode
  • PPP-stack
  • Integrated TCP/IP stack


Compatibility

  • AT cellular command interface


Specification for GPS

  • Receiver type
    • 42-channel
    • GPS L1 C/A code
    • High-performance STE engine
  • Sensitivity
    • Tracking: -160 dBm
    • Cold starts: -143 dBm
  • Time-To-First-Fix
    • Cold starts: 30s (typ.)
    • Hot starts: 1s (typ.)
  • Accuracy
    • Horizontal position:
    • Power consumption (GSM engine in idle mode)
      • Acquisition: 77mA
      • Tracking: 76mA


    Interfaces

    • 80-pad with SMT type
    • nterface to external SIM 3V/ 1.8V
    • Dual analog audio interfaces
    • SPI interface
    • RTC backup
    • Charge interface
    • A serial interface and a debug interface for GSM/GPRS
    • Debug interface for GPS NMEA information output
    • Two separate antenna connectors for GSM/GPRS&GPS




187841

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