EFR32MG24 Based Modules (Series 2)

MGM240 is a family of certified 2.4 GHz wireless modules optimized for the needs of battery-powered IoT devices. Based on the EFR32MG24 SoCs, the modules support Bluetooth, Zigbee, Thread and Matter protocols, delivering exceptional RF performance, energy efficiency and industry-leading security with Secure Vault® technology. The MGM240 modules provide global regulatory certifications and support advanced development and debugging tools that simplify development and speeds time to market.

Our most advanced modules for Zigbee, Thread, and Matter devices
Fastest time to market with proven RF performance and regulatory certifications

EFR32MG24 Module Specs

Low Power Wireless System-on-Chip

  • 78 MHz ARM Cortex®-M33
  • 1536 kB flash program memory
  • 256 kB RAM data memory
  • 2.4 GHz radio operation

Radio Performance

  • -106.0 dBm sensitivity @ 250 kbps O-QPSK
  • -98.5 dBm sensitivity @ 1 Mbit/s GFSK
  • -95.7 dBm sensitivity @ 2 Mbit/s GFSK
  • -106.5 dBm sensitivity @125 kbps GFSK
  • Up to 19.9 dBm output power

Low System Energy Consumption

  • 5.2 mA RX current (250 kbps O-QPSK DSSS)
  • 4.5 mA RX current (1 Mbps GFSK)
  • 4.8 mA TX current @ 0 dBm output power
  • 18.8 mA TX current @ +10 dBm output power
  • 33.4 μA/MHz in Active Mode (EM0)
  • 1.3 μA EM2 DeepSleep current (16 kB RAM retention and RTC running from LFRCO)

Wide Selection of MCU Peripherals

  • 16-bit Analog to Digital Converter (ADC)
  • 26 General Purpose I/O pins with output state retention and asynchronous interrupts
  • 8 Channel DMA Controller
  • 16 Channel Peripheral Reflex System (PRS)
  • 3 × 16-bit Timer/Counter with 3 Compare/Capture/PWM channels
  • 2 × 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
  • 1 × Universal Synchronous/Asynchronous Receiver/Transmitter (UART/SPI/SmartCard (ISO 7816)/IrDA/I2S)
  • 2 × Enhanced Universal Asynchronous Receiver/Transmitter (EUART) supporting UART/SPI/DALI/IrDA
  • 2 × I2C interface with SMBus support
  • Low-frequency RC Oscillator with precision mode to replace 32 kHz sleep crystal (LFRCO)
  • Keypad scanner supporting up to 6 x 8 matrix (KEYSCAN)

Supported Modulation Format

  • 2 (G)FSK with fully configurable shaping
  • O-QPSK DSSS

Protocol Support

  • Zigbee
  • Thread
  • Matter
  • Bluetooth Low Energy 5.3
  • Bluetooth mesh

Wide Operation Range

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

Regulatory Certifications

  • CE (EU)
  • UKCA (UK)
  • FCC (USA)
  • ISEDC (Canada)
  • MIC (Japan)
  • KC (South Korea)

Dimensions

  • 12.9 mm × 15.0 mm × 2.2 mm

Securing Your IoT 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 MGM240 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.

MGM240 Security Features

 

Whitepaper: Preparing for Next-Gen Cyber Attacks on IoT

Status

Find the Right MGM240 Module Select Columns
Select Columns
Part Number MCU Core Frequency (MHz) Flash RAM Cryptography Secure Vault Output Power Range (dBm) GPIO Temperature Range ºC Package Type Antenna Package Size (mm)
ARM Cortex-M33 78 1536 256 AES-128 AES-256 ECC SHA-1 SHA-2 Mid -24 10 26 -40 105 PCB Built-in 12.9x15.0x2.2
ARM Cortex-M33 78 1536 256 AES-128 AES-256 ECC SHA-1 SHA-2 Mid -33.7 19.9 26 -40 105 PCB Built-in 12.9x15.0x2.2
ARM Cortex-M33 78 1536 256 AES-128 AES-256 ECC SHA-1 SHA-2 Mid -33.7 19.9 26 -40 105 PCB RF-Pin 12.9x15.0x2.2
ARM Cortex-M33 78 1536 256 AES-128 AES-256 ECC SHA-1 SHA-2 High -24 10 26 -40 105 PCB Built-in 12.9x15.0x2.2
ARM Cortex-M33 78 1536 256 AES-128 AES-256 ECC SHA-1 SHA-2 High -33.7 19.9 26 -40 105 PCB Built-in 12.9x15.0x2.2
ARM Cortex-M33 78 1536 256 AES-128 AES-256 ECC SHA-1 SHA-2 High -33.7 19.9 26 -40 105 PCB RF-Pin 12.9x15.0x2.2

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