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  • updated GPRS/GSM SIM900 Shield V2.0 board arduino compatible
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updated GPRS/GSM SIM900 Shield V2.0 board arduino compatible


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Hook your Arduino up to GSM/GPRS cell phone network with GPRS shield! You can use your Arduino to dial a phone number or send a text to your friend via easy to use AT commands now. This new version features a quad-band low power consumption GSM/GPRS module SIM900 as well as a compact PCB antenna. Meanwhile, improvements on interfaces and basic circuit have been taken to make it more concise and reliable. Check out the improvement details of V2.0



Compatible with standard Arduino and Arduino Mega

Selectable interface between hardware serial port and software serial port

Quad band support: 850/900/1800/1900MHz

Support TCP/UDP protocols

Full control via AT commands set: Standard - GSM 07.07 & 07.05 and Enhanced - SIMCOM AT Commands

2-in-1 headset jack

Convenient external SIM card holder

Low power consumption: 1.5mA(sleep mode)

3V CR1220 Battery Holder Connetor


package list:

1 x GPRS/GSM SIM900 Shield V2.0 board



For more information, please visit wiki page.



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  • William Kwok | 07/24/2016

    Hi,Shameer Yes,you can use our SIM900 shield in your country,and you also can use the GPRS function if your 3G SIM card support 2G network.

  • Shameer Abdulsalam | 07/22/2016

    Can I use this product in UAE. Here I dont get a 2G sim, Can I use same device with 3G sim ,only for voice call and text message not for GPRS.

  • Shameer Abdulsalam | 07/22/2016

    Hi can I use this hardware in Dubai,UAE. Becuase of the network band and there is no 2G sim available here.

  • Steen Horshauge | 02/23/2016

    I just bought a shield, but can not get software power up to work It says in wiki it's D9 digitalWrite(9,HIGH); delay(2000); digitalWrite(9,LOW); What am I doing wrong?

    • Steen Horshauge | 02/23/2016

      I found the answer http://www.seeedstudio.com/wiki/GPRS_Shield_V2.0#Improvement_Details_of_GPRS_Shield_V2.0 Power on/off by D9 Unsolder pad JP default. Solder it if you wanna use software to power on/off the GPRS shield. Set the D9 to a high level, it means the button is pressing. The pad of JP besides the ISP port.

  • Heinrich de Lange | 12/01/2014

    Hi i have a previous version of your board and it does not work with the new LTE sim cards. Does your updated board support these new sim cards?

    • Star Mr | 12/04/2014

      Hi,This shield does not support 3G sim card.you may try to use another 2g sim card better.and then you can refer the WIKI to do what you want.This is the website: http://www.geeetech.com/wiki/index.php/GPRS_Shield_V2.0

  • Jorge Guallichico | 04/17/2014

    Hello I want to send data to a server it's possible to make it, with you shield???' Best regards

    • Jet Lee | 04/18/2014 | GET Staff

      yes, but could you please tell out the details of your demand?