Products

Wireless modules / GSM / GPRS

SIM900B


 
SIMCom presents a  compact and reliable wireless module-SIM900B which is compatible with the module-SIM300/340 and SIM340E. This is a complete Quad-band GSM/GPRS module in a B2B type and designed with a very powerful single-chip processor integrating AMR926EJ-S core, allowing you to benefit from small dimensions and cost-effective solutions.

Featuring an industry-standard interface, the SIM900B delivers GSM/GPRS 850/900/1800/1900MHz performance for voice, SMS, Data, and Fax in a small form factor and with low power consumption. SIM900B can fit almost all requirements in your M2M applications.

 
General features:

  • Quad-Band 850/ 900/ 1800/ 1900 MHz
  • GPRS multi-slot class 10/8
  • 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: 40*33*3 mm
  • Weight: 7g
  • Control via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands)
  • SIM application toolkit
  • Supply voltage range :3.1 ... 4.8V
  • Low power consumption: 1.5mA(sleep mode)
  • Operation temperature: -40 °C to +85 °C

Specifications for Fax:

  • Group 3, class 1

Specifications for Data:

  • 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

Specifications for SMS via GSM/GPRS:

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

Software features:

  • 0710 MUX protocol
  • embedded TCP/UDP protocol
  • FTP/HTTP( available at July ,2010)

Enhanced version add following features:

  • FOTA ( available at July ,2010)
  • MMS (available at July ,2010)
  • Embedded AT (available at Q3,2010)

Specifications for Voice:

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

Interfaces:

  • 60 PIN Board-to-board connector
  • Interface to external SIM 3V/ 1.8V
  • Two analog audio interface
  • RTC backup
  • SPI interface
  • Serial interface
  • SIM Card
  •          - Option1: SIM holder
  •          - Option2: Embeded SIM
  • Keypad
  • GPIO
  • PWM
  • ADC
  • Antenna connector

Compatibility:

  • AT cellular command interface

Approvals(on going):

  • CE
  • FCC
  • ROHS
  • PTCRB
  • GCF
  • IC
  • ICASA
  • TA

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