SIMCom SIM900S

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SIM900S

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SIMCom SIM900S
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Product description

SIMCom presents a  compact and reliable wireless module-SIM900S which is compatible with the module-SIM300. This is a complete Dual-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. The target market of SIM900S is China mainland and India. 

 SIM900S delivers GSM/GPRS 900/1800MHz performance for voice, SMS, Data, and Fax in a small form factor and with low power consumption. The leading features of SIM900S make it ideal for applications such as WLL applications and handheld devices. 

Technical specifications

General features

  • Dual-Band 900/ 1800MHz
  • 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)
  • 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 :3.2 ... 4.8V
  • Low power consumption: 1.0mA(sleep mode)
  • Operation temperature: -20 °C to +60 °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

  •  CSD up to 14.4 kbps
  •  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

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
  •  Two analog audio interface
  •  RTC backup
  •  SPI interface
  •  UART interface 
  •  SIM Interface
    - Option1: SIM holder (to external SIM 3V/ 1.8V
  • - Option2: Embeded SIM
  •  Keypad
  •  GPIO
  •  PWM
  •  ADC
  •  Antenna connector

Compatibility

  •  AT cellular command interface
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