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Developed for use with long-life, battery-powered sensors, the IEEE® 802.15.4 standard is defined for operation in the unlicensed Industrial Scientific and Medical (ISM) bands used worldwide. As the number of wirelessly connected and extremely power-conscious applications using this standard continues to rise, designers need flexible and reliable solutions with features that will extend battery life for multiple years.

Our low-power SAM R30 series of products utilize IEEE 802.15.4 in the sub-GHz channels of the ISM band. Designed to operate between 769 and 935 MHz, SAM R30 devices deliver superior range when compared to 2.4 GHz networks. Their ultra-low-power sleep modes, which consume less than 1 uA, also enable your products to meet the standard’s defined ability to sleep virtually forever. 

Well suited for use in connected home, smart city and industrial applications, these solutions are available as the SAM R30 System in Package (SiP) devices and the SAM R30 Module, which work in conjunction with our proprietary MiWi™ mesh networking protocol to connect all your devices.

SAM R30 Module

Certified Turnkey Solution

  • Based on the ATSAMR30E18A microcontroller
  • Regulatory-certified with two reference antenna solutions
  • Up to two UART, SPI and I2C interfaces
  • High-precision 16 MHz crystal oscillator
  • 12-bit, 350 ksps Analog-to-Digital Converter (ADC)
  • Full-speed (12 Mbps) USB 2.0 interface
  • 16 external General Purpose Input/Output (GPIO) lines
  • Low power consumption of less than 800 nA with RAM retention
  • Compact 12.7 × 11 mm size

SAM R30 System in Package (SiP)

Microcontroller + 802.15.4 Radio

  • Single-chip Arm® Cortex®-M0+ based 32-bit RF microcontroller with an 802.15.4 sub-GHz radio
  • User-programmable 256 KB Flash, 32 KB RAM, 8 KB low-power RAM
  • Up to four UART, SPI and I2C interfaces
  • 12-bit, 350 ksps Analog-to-Digital Converter (ADC)
  • Available in 32-pin 5 × 5 mm or 48-pin 7 × 7 mm packages
  • Ultra-low power sleep modes as low as 500 nA

Development Ecosystem


These kits and sensor board are available to help you explore the capabilities and features of the SAM R30 family of products. They come with ready-to-use application examples available through Microchip Studio and GitHub.

SAM R30 Xplained Pro Evaluation Kit

Part Number: ATSAMR30-XPRO

The SAM R30 Xplained Pro Evaluation Kit is a hardware platform for evaluating the ATSAMR30G18A SoC.

SAM R30M Xplained Pro Evaluation Kit

Part Number: AC164159

The SAM R30M Xplained Pro Evaluation Kit is a hardware platform for evaluating the ATSAMR30M18 module.

SAMR30M Sensor Board

SAM R30M Sensor Board

Part Number: DT100130

The SAM R30M Sensor Board is a complete regulatory FCC-, CA- and EU RED-certified reference design for exploring and evaluating the ATSAMR30M18A module.

SAM R30 Series Devices


Product Description Protocol Support microchipDIRECT
ATSAMR30E18A Single-chip Arm® Cortex®-M0+ based 32-bit microcontroller with low-power sub-GHz transceiver for IEEE 802.15.4 applications with 256K Flash and 32 KB RAM in a 5 × 5 mm QFN32 package 802.15.4; MiWi™ Mesh Wireless Networking Protocol

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ATSAMR30G18A Single-chip Arm Cortex-M0+ based 32-bit microcontroller with low-power sub-GHz transceiver for IEEE 802.15.4 applications with 256K Flash and 32 KB RAM in a 7 × 7 mm QFN48 package 802.15.4; MiWi Mesh Wireless Networking Protocol

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ATSAMR30M18 Compact shielded 12.7 mm x 11.0 mm module based on the sub-GHz, 802.15.4 ATSAMR30E18A SiP with two regulatory certified antenna reference designs 802.15.4; MiWi Mesh Wireless Networking Protocol

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