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      RASPBERRY PI GSM/GPRS ADD-ON SIM900 (Itead  IM131224002)
      • RASPBERRY PI GSM/GPRS ADD-ON SIM900 (Itead  IM131224002)
      • RASPBERRY PI GSM/GPRS ADD-ON SIM900 (Itead  IM131224002)
      • RASPBERRY PI GSM/GPRS ADD-ON SIM900 (Itead  IM131224002)

      RASPBERRY PI GSM/GPRS ADD-ON SIM900 (Itead IM131224002)

      IM131224002

      RASPBERRY PI GSM/GPRS ADD-ON SIM900 (Itead  IM131224002)

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      RASPBERRY PI GSM/GPRS ADD-ON SIM900 (Itead  IM131224002)

      Raspberry PI GSM Add-on is customized for Raspberry Pi interface based on SIM900 quad-band GSM/GPRS module. AT commands can be sent via the serial port on Raspberry Pi, thus functions such as dialing and answering calls, sending and receiving messages and surfing on line can be realized. Moreover, the module supports powering-on and resetting via software.

      Features

      • Quad-Band 850/ 900/ 1800/ 1900 MHz
      • GPRS multi-slot class 10/8GPRS mobile station class B
      • Compliant to GSM phase 2/2+Class 4 (2 W @850/ 900 MHz)
      • Class 1 (1 W @ 1800/1900MHz)
      • Control via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands)
      • Low power consumption: 1.5mA(sleep mode)
      • Operation temperature: -40°C to +85 °C

      Specifications

      PCB size 73.8mm X 70mm X 1.6mm
      Input voltage  5V
      Interface  UART
      Baud rate 9600 (default)

      Electrical characteristics

      Parameter Min. Typical  Max.  Unit
      Supply voltage - 5 5.5 VDC
      Current consumption (average)  - 500 - mA
      Instantaneous current consumption - - 2 A

      Hardware

      Pinmap

      Raspberry PI interfaces

      Raspberry PI Pin N.O.  Pin name  Pin of SIM900 Module Description
      11 GPIO0 SIM900-PWERKEY  Powering-on key via software
      12 GPIO1 SIM900-RST  Resetting key via software
      13 GPIO2 -  
      15 GPIO3 -  
      16 GPIO4 -  
      18 GPIO5 -  
      22 GPIO6 -  
      7 GPIO7 -  
      3 SDA0 -  
      5 SCL0 -  
      24 CE0 -  
      26 CE1 -  
      19 MOSI -  
      21 MISO -  
      23 SCLK -  
      8 TXD SIM900_RX Receiving end for SIM900 serial port
      10 RXD SIM900_TX  Sending end for SIM900 serial port
      2 +5V -  
      1 +3.3V -  
      6 GND -  

      Other interfaces

      Pin name Description
      DR  Receiving end for SIM900 debugging serial port
      DT Sending end for SIM900 debugging serial port
      VBAT SIM900 supply 4.2V
      G Ground
      V Electronic brick interface supply pin 3.3V

      Indicators

      • PWR

      Power: When there is normal supply to the board, the indicator keeps on.

      • STATUS

      SIM900 status: When SIM900 works normally, the indicator keeps on.

      • NET

      SIM900 network status: used to indicate network status, the working status of the indicator is as below:

      Network indicator status  SIM900 working status
      OFF SIM900 does not work
      64ms on/800ms off SIM900 does not find network
      64ms on/3000ms off  SIM900 registers the network
      64ms on/300ms off  GPRS communicates

      Keys

      • SIM900-PWRKEY

      SIM900 powering-on key: Keep pressing the key for more than 1 second, SIM900 will be powered on; keep pressing the key for more than 1 second after the board is powered on, SIM900 will be powered off.

      • SIM900-RST

      SIM900 resetting key: press the key, SIM900 will be reset.

      Note

      The module does not support hot swapping.

      Packing List

      • Raspberry PI GSM Add-on x 1
      • Antenna x 1

       

      Download

      DS_IM131224002.pdf

      SCH_IM131224002.pdf

      Library_Raspberry_sim900.zip

      ITEAD STUDIO
      IM131224002

      Specific References

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