SIM 900A GSM/GPRS Module

SIMCom presents an ultra compact and reliable wireless module-SIM900A. This is a complete Quad-band
GSM/GPRS module in a SMT type and designed with a very powerful single-chip processor integrating
ARM926EJ-S core, allowing you to benefit from small dimensions and cost-effective solutions.

Featuring an industry-standard interface, the SIM900 delivers GSM/GPRS 900/1800MHz performance for voice, SMS, Data, and Fax in a small form factor and with low power consumption. With a tiny configuration of 24mm x 24mm x 3 mm, SIM900A can fit almost all the space requirements in your M2M applications, especially for slim and compact demands of design.

General features

  •     Quad-Band 900/ 1800 MHz
  •     GPRS multi-slot class 10/8
  •     GPRS mobile station class B
  •     Compliant to GSM phase 2/2+
    – Class 4 (2 W @900 MHz
    – Class 1 (1 W @ 1800MHz)
  •     SAIC (Single Antenna Interference Cancellation) support
  •     Dimensions: 24* 24 * 3 mm
  •     Weight: 3.4g
  •     Control via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands)
  •     SIM application toolkit
  •     Supply voltage range : 3.2 ... 4.8V
  •     Low power consumption: 1.0mA(sleep mode&BS-PAMFRMS= 9 )
  •     Operation temperature: -40°C to +85 °C

Specifications for Fax

    Group 3, class 1

Specifications for GPRS Data

  •     GPRS class 10: max. 85.6 kbps (downlink)
  •     PBCCH support
  •     Coding schemes CS 1, 2, 3, 4
  •     PPP-stack

Specifications for CSD Data

  •     USSD
  •     Non transparent mode

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

Special firmware

  •     Embedded AT
  •     Java (cooperate with Iasolution)
  •     FOTA
  •     MMS

Specifications for Voice

        – Half rate (HR)
        – Full rate (FR)
        – Enhanced Full rate (EFR)
        - Half rate (HR)
        - Full rate (FR)

Hands-free operation (Echo suppression)


  •     Interface to external SIM 3V/ 1.8V
  •     Analog audio interface
  •     RTC backup
  •     SPI interface (option)
  •     Serial interface
  •     Antenna pad
  •     I2C
  •     GPIO
  •     PWM
  •     ADC


  •     AT cellular command interface


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

Carrier Approvals

  •     NCC
  •     Anatel
  •     Rogers
  •     Orange
  •     AT&T
  •     Vodafone

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SIM 900A GSM/GPRS Module

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  • Product Code:
  • SKU: 14AC644
  • Availability: In Stock
  • Rs.551.65
  • Ex Tax: Rs.551.65