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{{Box|type=l_green_light|text=
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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.'''''
  
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[[File:GSM SIM900A with antenna.JPG|frameless|x350px]]
 
[[File:GSM SIM900A with antenna.JPG|frameless|x350px]]
 
'''more images. . .'''
 
'''more images. . .'''
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{{Box|type=blue_dark|text=Specifications}}
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{{Box|type=blue_dark|text=Specifications: GSM SIM900A USB SHIELD}}
 
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* GSM/GPRS Module: SIMCOM SIM900A
 
* GSM/GPRS Module: SIMCOM SIM900A
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**RS232 with MAX232
 
**RS232 with MAX232
 
**TTL pin breakout (RXD,TXD,GND)
 
**TTL pin breakout (RXD,TXD,GND)
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{{Box|type=blue_dark|text=SIM 900A GSM GPRS Module feature}}
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{{Box|type=l_green_light|text=<br/>
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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/>
 +
•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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Revision as of 15:02, 27 January 2014

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.


GSM SIM900A with antenna.JPG more images. . . <hovergallery maxhoverwidth=600 maxhoverheight=600> File:GSM SIM900A.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