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Arduino MKR NB 1500 is an IoT (Internet of Things) Development Board with wireless connectivity, based on the narrowband NB-IoT standard. The NB-IoT communications technology makes use of existing LTE cellular networks and delivers significantly faster communications than alternative IoT networks such as LoRa and Sigfox, while also having a low impact on battery consumption. In addition, when compared to typical GSM or 3G cellular connectivity, wake up times and connections are much faster, which enables significant power saving.

The MKR NB 1500 is powered by a Microchip Technology SAMD21 Cortex-M0 32-bit low power ARM MCU and features the Arduino MKR footprint, ensuring that it is fully compatible with the Arduino Uno, Mega,  and existing MKR boards. The MKR NB 1500 offers a wide range of available interfaces, including I2S, I2C, UART and SPI. The Board operates at 3.3V and offers 22 digital I/Os, 12 PWM outputs, and seven analog inputs.

The MKR NB 1500 is ideal for applications in remote areas with no internet connection or power is available, such as on-field monitoring systems.


  • Microcontroller: Microchip Technology SAMD21 Cortex-M0+ 32bit low power ARM MCU
  • Modem: U-Blox SARA-R410M-02B
  • GSM uFL connector
  • microSIM slot
  • Operating Voltage: 3.3V
  • Interfaces: I2S, I2C, UART, SPI
  • Pinout (Digital, PWM, Analog): 22 I/O Digital (12 PWM), 7 Analog input
  • Form factor: 67.64mm × 25.00mm MKR


  • Smart metering (electricity, gas, water)
  • Facility management services
  • Home and commercial Intruder and fire alarms 
  • Connected personal appliances measuring health parameters
  • Smart parking
  • Asset tracking
  • Smart city infrastructure
  • Connected industrial appliances such as welding machines or air compressors

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