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      RePhone core 2G-AtmelSAMD21

      RePhone core 2G-AtmelSAMD21

      SKU 102040046
      4 Available


      RePhone is one of the most unique and interesting development board platform that created by Seeed Studio, with RePhone you can not only DIY a special phone for yourself, but also enchant things around you with cellular connectivity. The first edition of RePhone core is Xadow – GSM+BLE, this time we provided another 2 edition of RePhone core which with higher performance and lower power consumption, one of them is the RePhone Core 2G-AtmelSAMD21 v1.0

      The RePhone Core 2G-AtmelSAMD21 v1.0 is a new Arduino compatible RePhone core 2G board, which is based on Atmel’s SAMD21 and SIM800H, Most features of RePhone Core 2G-AtmelSAMD21 v1.0 is the same as Xadow – GSM+BLE, such as offering rich range of communication protocols – GSM, GPRS, and Bluetooth, supporting quad-band 850/900/1800/1900Mz, and supporting 2G Nano SD card. But the solution of Atmel’s SAMD21 plus SIM800H has dropped power consumption a lot comparing to Xadow – GSM+BLE. If you are looking for a high-performance and low power consumption Rephone core to enchant the world, the this new RePhone core 2G module is the best choice.

      We also provided a more economic version RePhone core 2G Atmel32u4, the only difference is the MCU. Click here to find it.



      • The RePhone Core 2G-AtmelSAMD21 v1.0 is compatible with all the Xadow v2.0 except the Xadow 1.54 inch Touchscreen

      • Please connect a battery to the board if you want to use the GSM or GPRS function in case the power form USB is not enough and fail to communicate.


      • BAT Input Voltage: 3.4-4.2V

      • USB Input Voltage: 5V

      • Power Consumption: ~30mA@standby mode

      • ATSAMD21G18: Cortex-M0+, 48MHz, 256KB flash, 32KB SRAM

      • Nano SIM connector

      • Integrated Power Control System

      • Support AT Command

      • Support Bluetooth v3.0

      • Quad-band: 850/900/1800/1900Mz

      • Connector: 35 PIN Connector & 11 PIN Connector for Xadow Modules; JST 1.0 Connector for the battery

      • Interface: Analog Audio/I2C/SPI/UART/20*GPIO

      • Arduino compatible

      • Compatible with all Xadow 2.0 except the Xadow 1.54 inch Touchscreen

      • Working Temperature:-40 – 85℃

      • Size: 30*25mm


      • For libraries and documents, please visit our Wiki page.

      • For technical discussion, please come to our Forum.

      • For projects that you would like to share with the community, please visit Recipe.

      Technical Details

      Dimensions75mm x 115mm x 7.5mm
      WeightG.W 7.5g    


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      RePhone core 2G-AtmelSAMD21

      SKU 102040046
      4 Available
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