EFR32BG24 Based Modules (Series 2)

BGM240 is a family of certified 2.4 GHz wireless modules optimized for battery-powered IoT devices. Based on the EFR32BG24 SoCs, the modules support Bluetooth Low Energy and Bluetooth mesh, delivering exceptional RF performance, energy efficiency and industry-leading security with Secure Vault® technology. The BGM240 modules provide global regulatory certifications and support advanced development and debugging tools that simplify development and speeds time to market.

Our most advanced Bluetooth Low Energy and Bluetooth mesh modules
Fastest time to market with proven RF performance and regulatory certifications

EFR32BG24 Module Common 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

  • -98.5 dBm sensitivity @ 1 Mbit/s GFSKCE
  • -95.7 dBm sensitivity @ 2 Mbit/s GFSK
  • -106.5 dBm sensitivity @125 kbps GFSK
  • Up to 19.6 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

Protocol Support

  • 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)
  • ISED (Canada)
  • MIC (Japan)
  • KC (South Korea)

Dimensions

  • 12.9 mm x 15.0 mm x 22 mm

Securing Your Bluetooth 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 BGM240 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.

BGM240 Security Features

 

Whitepaper: Preparing for Next-Gen Cyber Attacks on IoT

Status

Find the Right EFR32BG24 Module Select Columns
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Part Number MCU Core Core Frequency (MHz) Flash RAM Bluetooth Bluetooth Mesh Cryptography Secure Vault Output Power Range (dBm) GPIO I²C SPI Timers (16-bit) Temperature Range ºC Package Type Antenna Package Size (mm)
ARM Cortex-M33 78 1536 256 5.3 AES-128 AES-256 ECC SHA-1 SHA-2 Mid -24 10 26 2 3 3 -40 105 PCB Built-in 12.9x15.0x2.2
ARM Cortex-M33 78 1536 256 5.3 AES-128 AES-256 ECC SHA-1 SHA-2 Mid -33.7 19.6 26 2 3 3 -40 105 PCB Built-in 12.9x15.0x2.2
ARM Cortex-M33 78 1536 256 5.3 AES-128 AES-256 ECC SHA-1 SHA-2 Mid -33.7 19.6 26 2 3 3 -40 105 PCB RF-Pin 12.9x15.0x2.2
ARM Cortex-M33 78 1536 256 5.3 AES-128 AES-256 ECC SHA-1 SHA-2 High -24 10 26 2 3 3 -40 105 PCB Built-in 12.9x15.0x2.2
ARM Cortex-M33 78 1536 256 5.3 AES-128 AES-256 ECC SHA-1 SHA-2 High -33.7 19.6 26 2 3 3 -40 105 PCB Built-in 12.9x15.0x2.2
ARM Cortex-M33 78 1536 256 5.3 AES-128 AES-256 ECC SHA-1 SHA-2 High -33.7 19.6 26 2 3 3 -40 105 PCB RF-Pin 12.9x15.0x2.2

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