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[[File:GSM SIM900A with antenna.JPG|frameless|x350px]]
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'''more images. . .'''
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'''''GSM SIM 900A USB shield is a handy solution for your GSM/GPRS interface needs. You may connect it to a Laptop/Desktop computer with USB or RS232 connection. Also there is a TTL breakout for directly connecting it to microcontrollers like AVR, Arduino, PIC, ARM etc.'''''
File:GSM SIM900A.jpg|USB GSM SIM900A Sheild without antenna
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[[File:Cart add.png|right|link=https://www.exploreembedded.com/product/GSM%20SIM900A%20USB%20Sheild]]
File:GSM_SIM900A_with_antenna.JPG|USB GSM SIM900A Sheild with antenna
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[[File:DSC01423.JPG|x400px]]
File:GSM SIM900.jpg|3d view GSM SIM900A
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File:DSC01419.JPG
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File:DSC01413.JPG  
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File:DSC01425.JPG
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</gallery>
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=Specifications: GSM SIM900A USB SHIELD=
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* GSM/GPRS Module: SIMCOM SIM900A
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* On board Interfaces
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**USB (usb to serial using CP2102)
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**RS232 with MAX232
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**TTL pin breakout (RXD,TXD,GND)
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}}
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=SIM 900A GSM GPRS Module feature=
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General features <br/>
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•Dual-Band 900/ 1800 MHz<br/>
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•GPRS multi-slot class 10/8<br/>
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•GPRS mobile station class B<br/>
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•Compliant to GSM phase 2/2+<br/>
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– Class 4 (2 W @900 MHz)<br/>
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– Class 1 (1 W @ 1800MHz)<br/>
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•SAIC (Single Antenna Interference Cancellation)
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support <br/>
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•Dimensions: 24* 24 * 3 mm<br/>
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•Weight: 3.4g<br/>
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•Control via AT commands (GSM 07.07 ,07.05 and 
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SIMCOM enhanced AT Commands)<br/>
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•SIM application toolkit<br/>
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•Supply voltage range : 3.2 ... 4.8V<br/>
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•Low power consumption: 1.0mA(sleep mode&BS -PA-MFRMS=9 )<br/>
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•Operation temperature: -40°C to +85 °C<br/>
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}}
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= Default Settings on the board=
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* The baud rate is set to 9600 when we ship the board. You may change it with AT+IPR = 115200.
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* The echo of characters is turned on by default.
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}}
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=Downloads=
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[http://exploreembedded.com/wiki/images/b/b8/SIM900.pdf Schematic]
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==SIM 900 AT commands==
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[http://exploreembedded.com/wiki/images/a/a8/SIM900_AT_Command_Manual_V1.03.pdf SIM900_AT_Command_Manual_V1.03.pdf]
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==USB Driver==
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*To connect GSM Modem with computer USB driver is required, please download from [http://www.silabs.com/products/mcu/pages/usbtouartbridgevcpdrivers.aspx Silicon Labs website.]
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==GUI for windows==
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*[[Xplore GSM]] is a Windows GUI and command line software that can be used to test and evaluate the GSM USB Shield.
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}}
 
}}
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[[File:Cart add.png|thumbnail|Purchase Online from our main site|link=http://exploreembedded.com/product/GSM%20SIM900A%20USB%20Sheild]]
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<br/>
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<br/>
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<br/>
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<br/>
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<br/>
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'''''For feedback, technical support and suggestions about this product, please comment below.'''''
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{{DISQUS}}

Latest revision as of 16:49, 6 April 2016


GSM SIM 900A USB shield is a handy solution for your GSM/GPRS interface needs. You may connect it to a Laptop/Desktop computer with USB or RS232 connection. Also there is a TTL breakout for directly connecting it to microcontrollers like AVR, Arduino, PIC, ARM etc.

Cart add.png

DSC01423.JPG


Specifications: GSM SIM900A USB SHIELD


  • GSM/GPRS Module: SIMCOM SIM900A
  • On board Interfaces
    • USB (usb to serial using CP2102)
    • RS232 with MAX232
    • TTL pin breakout (RXD,TXD,GND)

SIM 900A GSM GPRS Module feature


General features
•Dual-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 -PA-MFRMS=9 )
•Operation temperature: -40°C to +85 °C

Default Settings on the board


  • The baud rate is set to 9600 when we ship the board. You may change it with AT+IPR = 115200.
  • The echo of characters is turned on by default.

Downloads

Schematic


SIM 900 AT commands

SIM900_AT_Command_Manual_V1.03.pdf

USB Driver

GUI for windows

  • Xplore GSM is a Windows GUI and command line software that can be used to test and evaluate the GSM USB Shield.
Purchase Online from our main site






For feedback, technical support and suggestions about this product, please comment below.