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SIM908

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價格:
paul@advancepanda.com
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存貨量:
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產品介紹

General features

  • Quad-Band 850/900/1800/1900 MHz
  • GPRS multi-slot class 10
  • GPRS mobile station class B
  • Compliant to GSM phase 2/2+
    • Class 4 (2 W @850/900 MHz)
    • Class 1 (1 W @ 1800/1900MHz)
  • Dimensions: 30 x 30 x 3.2 mm
  • Weight: 5.2 g
  • Control via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands)
  • SIM application toolkit
  • Supply voltage range:
    • GPRS: 3.2 ~ 4.8 V
    • GPS: 3.0 ~ 4.5V
  • Low power consumption
  • Operation temperature: -40°C to +85 °C

Specifications for Fax

  • Group 3, class 1

Specifications for Data transfer

  • GPRS class 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

Specifications for SMS via GSM/GPRS

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

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 : <2.5m CEP
    • Power consumption (GSM engine in idle mode)
    • Acquisition 77mA
    • Tracking 76mA

Specifications for Voice

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

Interfaces

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

Compatibility

  • AT cellular command interface

Certifications:

  • CE
  • ROHS