EFR32MG22 Based Zigbee Module (Series 2)

MGM220 Zigbee modules are designed and built to meet the performance, security, and reliability requirements of battery-powered or energy-harvesting IoT products. Based on the EFR32MG22 SoC, the MGM220P enables Zigbee End Node and Green Power® connectivity while delivering best-in-class RF range and performance, future-proof capability for feature and OTA firmware updates, enhanced security features, and low energy consumption. MGM220P modules are a full solution that comes with robust software stacks, world-wide regulatory certifications, advanced tools, and development support to accelerate time-to-market.

Building automation, lighting controls and sensors
Ideal for Zigbee Green Power devices

EFR32MG22 Specs

Low Power Wireless System-on-Chip

  • High Performance 32-bit 76.8 MHz ARM Cortex®-M33 with DSP instruction and floating-point unit for efficient signal processing
  • 512 kB flash program memory
  • 32 kB RAM data memory
  • 2.4 GHz radio operation

Radio Performance

  • -102.3 dBm sensitivity @ 250 kbps O-QPSK
  • -106.7 dBm sensitivity @125 kbps GFSK
  • -98.9 dBm sensitivity @ 1 Mbit/s GFSK
  • -96.2 dBm sensitivity @ 2 Mbit/s GFSK
  • TX power up to +8 dBm

Low System Energy Consumption

  • 4.4 mA RX current (250 kbps O-QPSK DSSS)
  • 4.3 mA RX current (1 Mbps GFSK)
  • 4.8 mA TX current @ 0 dBm output power
  • 10.6 mA TX current @ +8 dBm output power
  • 26 μA/MHz in Active Mode (EM0)
  • 1.40 μA EM2 DeepSleep current (32 kB RAM retention and RTC running from LFRCO)

Wide Selection of MCU Peripherals

  • 16-bit Analog to Digital Converter (ADC)
  • Up to 24 General Purpose I/O pins with output state retention and asynchronous interrupts
  • 8 Channel DMA Controller
  • 12 Channel Peripheral Reflex System (PRS)
  • 4 × 16-bit Timer/Counter with 3 Compare/Capture/PWM channels
  • 1 × 32-bit Timer/Counter with 3 Compare/Capture/PWM channels
  • 32-bit Real Time Counter
  • 24-bit Low Energy Timer for waveform generation
  • 1 × Watchdog Timer
  • 2 × Universal Synchronous/Asynchronous Receiver/Transmitter (UART/SPI/SmartCard (ISO 7816)/IrDA/I2S)
  • 1 × Enhanced Universal Asynchronous Receiver/Transmitter (EUART)
  • 2 × I2C interface with SMBus support
  • Digital microphone interface (PDM)
  • RFSENSE with selective OOK mode

Supported Modulation Format

  • 2 (G)FSK with fully configurable shaping

Protocol Support

Wide Operation Range

  • 1.71 V to 3.8 V single power supply
  • -40 °C to 105 °C

Regulatory Certifications

  • FCC
  • CE
  • KCC


  • 12.9 mm × 15.0 mm × 2.2 mm

Securing Your Zigbee Product

IoT security is key to protecting company brands, end user privacy and commercial viability of products. Vulnerabilities can be exploited through both remote Internet attacks and physical hands-on-attacks.

Developers using the Silicon Labs wireless product portfolio including those in the MGM220 module portfolio have access to a number of technologies designed to protect their product, including Secure Debug, Secure Boot with Root of Trust & Secure Loader.

MG220 Security Features

  • Secure Boot with Root of Trust and Secure Loader (RTSL)
  • Hardware Cryptographic Acceleration for AES128/256, SHA-1, SHA-2 (up to 256-bit), ECC (up to 256-bit), ECDSA,and ECDH
  • True Random Number Generator (TRNG) compliant with NIST SP800-90 and AIS-31
  • ARM® TrustZone®
  • Secure Debug with lock/unlock


Find the Right MGM220 Module Select Columns
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Part Number MCU Core Frequency (MHz) Flash RAM Cryptography Output Power Range (dBm) Zigbee Receive Sensitivity GPIO RX Current (mA) UART USART I²C SPI ADC Comparators Timers (16-bit) Temperature Range ºC Package Type Package Size (mm) Wireless Standards
ARM Cortex-M33 76.8 512 32 AES-128 ECC SHA-1 SHA-2 -27 8 -102.3 24 4.4 3 2 2 2 16-bit 0 4 -40 105 PCB 12.9x15.0x2.2 Zigbee Bluetooth

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