This arduino shield is based on the Quad-band GSM/GPRS/GPS module SIM808. You can use this for phone call, SMS, 2G internet access, location tracing with gps and bluetooth data transfer. There's also built-in USB-TTL converter to directly send command to the SIM808 from a PC without the need for an arduino.  


With this shield, you'll get a bunch of other necessary things for free. The product package contains:

- GSM/GPRS/GPS Shield (B) x1
- GSM Antenna x1
- GPS External Antenna (B) x1
- Bluetooth Antenna x1

- Power adapter US standard x1
- USB type A plug to micro plug cable x1


Click here to know more from supplier's website.


Bangla Tutorial - part 1 : Click here

Bangla Tutorial - part 2 : Click here

  • Arduino connectivity, compatible with UNO, Leonardo, NUCLEO, XNUCLEO
  • Onboard USB TO UART converter CP2102 for UART debugging
  • 5 x LEDs for indicating the module working status
  • Onboard voltage level converter, supports both 3.3V and 5V systems
  • SIM card slot for 1.8V/3V SIM card
  • Baudrate auto detection (1200bps ~115200bps)
  • Bluetooth 3.0, supports data transferring through Bluetooth
  • RTC with power supply interface
  • Firmware upgradable via USB
  • Control via AT commands (3GPP TS 27.007,27.005, and SIMCOM enhanced AT Commands)
  • Supports SIM application toolkit: GSM 11.14 Release 99
  • Operating voltage: 6 ~ 12V
  • Operation temperature: -40 °C ~ +85 °C
  • Storage temperature: -45 °C ~ +90 °C

Question & Answer

Total 5 questions

Q: If I add a 12V-5A dc adapter to the power supply input of this module, will it work?? or does it need any power conversion to ensure 5V-2A like the generic GSM modules?? Questioned by Raiyan_Akash, 26-Oct-2018

You can. Operating voltage is 6-12V. Please see the specification section. Answered by A.R, 28-Oct-2018 10:20 AM

Q: Where is the SIM port in this module? Questioned by Raiyan_Akash, 26-Oct-2018

Please see the photos here: Answered by A.R, 28-Oct-2018 10:16 AM

Q: There must be some including on the Package, like Power Adapter or something etc etc, what else are coming with the package? Questioned by md.ashiqur.rahaman, 26-Oct-2019

Yes. Kindly see the pictures of the shield and included accessories here: Answered by A.R, 27-Oct-2019 09:42 AM

Q: indoor a gps signal pai ? Questioned by Juthi155, 17-Dec-2019

No. Answered by A.R, 17-Dec-2019 10:06 AM

Q: . Questioned by sajib89, 15-Jun-2021

Reviews & Ratings


6 Ratings / 3 Reviews







sajib89, 15-Jun-2021



sm_akash, 15-Jun-2021

WoW!! 7 Days replacement warranty.


Satyajit_Malakar, 27-Jul-2021

Good Product also good service. Was facing some problem but tech support solved it quickly. Thanks.


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