SIM900 GSM Cellular Shield


The Cellular GSM Shield provides an easy way to integrate the Arduino with a GSM network allowing you to make phones, send an SMS messages, or use cellular information for controlling applications. This GSM Shield is quad band device which supports 850/900/1800/1900MHz signals. This shield can be configured and controlled with the UART interface by using the AT commands.

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  • Bandwidth: 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)
  • 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
  • 2-in-1 headset jack



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