Arduino MKR WAN 1300 & MKR GSM 1400 Boards Launched with LoRaWAN and 3G Connectivity

Arduino has introduced two new boards right in time for Maker Faire New York: MKR WAN 1300 with a LoRa radio, and MKR GSM 1400 with a “3.75G” cellular module, both software compatible with Arduino Zero, and in Arduino MKRZero board form factor.

MKR WAN 1300 Board

 

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Arduino MKR WAN 1300 specifications:

  • MCU – Microchip Atmel SAMD21 32-bit ARM Cortex M0+ MCU @ 48 MHz with 32 KB SRAM, 256 KB flash (8KB for bootloader)
  • Digital I/O Pins – 8x digital I/Os, 12x PWM, UART, SPI, and I2C, 8x external interrupts
  • Analog Pins – 7x analog inputs (8/10/12-bit ADC), and 1x analog output (10-bit DAC)
  • DC Current per I/O Pin – 7 mA
  • LPWAN connectivity
    • Murata CMWZ1ZZABZ LoRa module based on Semtech SX1276 and STMicro STM32L
    • Antenna power – 2dB
    • Carrier frequency – 433/868/915 MHz
    • Working regions – EU/US
  • USB – 1x micro USB port for power and programming
  • Misc – Reset button, 6x LEDs, 32.768 kHz RTC
  • Power
    • 5V via micro USB port or Vin pin
    • 2x AA or AAA batteries support
    • I/O Operating Voltage – 3.3V
  • Dimensions – 67.64 x 25 mm
  • Weight – 32 grams

It’s interesting to note that the Murata module includes an STM32L MCU, and exposes ADC/DAC, GPIOs, SPI, I2C.. pins, so in theory it would be possible to create a similar board without the Microchip/Atmel chip, but Arduino IDE compatibility may have suffered despite work on Arduino STM32, and the exposed I/Os could not be the same (e.g. only 4x ADC).

MKR GSM 1400

 

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Arduino MKR GSM 1400 board has very similar specifications, except it replaces the LoRa radio with a u-blox cellular module, and supports LiPo batteries:

  • MCU – Microchip Atmel SAMD21 32-bit ARM Cortex M0+ MCU @ 48 MHz with 32 KB SRAM, 256 KB flash (8KB for bootloader)
  • Digital I/O Pins – 8x digital I/Os, 12x PWM, UART, SPI, and I2C, 8x external interrupts
  • Analog Pins – 7x analog inputs (8/10/12-bit ADC), and 1x analog output (10-bit DAC)
  • DC Current per I/O Pin – 7 mA
  • Cellular Connectivity
    • u-blox SARAU201 cellular module supporting 3.75G UMTS/HSPA with 2G GSM/(E)GPRS fallback
    • NanoSIM card slot
    • u.FL connector for external antenna
    • Working regions – Global
  • USB – 1x micro USB port for power and programming
  • Misc – Reset button, 6x LEDs, 32.768 kHz RTC
  • Power
    • 5V via micro USB port
    • 5V to 12V Vin pin
    • 3.7V LiPo battery support
    • I/O Operating Voltage – 3.3V
  • Dimensions – 67.64 x 25 mm
  • Weight – 32 grams

Both boards are up for pre-order with shipping expected for November 15th with MKR WAN 1300 going for $39 / 35 Euros excluding VAT, and MKR GSM 1400 selling for $69.00 / 59.90 Euros excluding VAT. Further documentation is accessible through the store links.

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4 Comments
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bob
bob
6 years ago

7ma per io max…not enought to drive a led or an optocoupler lol
12ma for esp8266
25ma for PIC16F

Paul
Paul
6 years ago

The LoRa MKR 1300 specs seem a bit limited. Why a Tx power of only +2dBm or is it a typo ? I read LoRa Tx power is normally at least +14dBm, ranging upto +20dBm. Is there a Link budget ?

Paul
Paul
6 years ago

cnxsoft : @Paul That’s what Arduino wrote on their product page, but it must be an error. Should it be possible to derive the link budget from the Murata datasheet? The Murata datasheet is just 15 pages versus 129 pages for the Semtech LoRa module SX1272. Semtech’s datasheet on page 1 under ‘KEY PRODUCT FEATURES’ give a clear unambiguous 157 dB Max Link Budget – derived I assume from the +20dBm max Tx power & ‘High Sensitivity down to -137dBm’ Murata have no key feature list, but delving into the spec detail, on page6 one can see a not disimilar… Read more »

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