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  • Matter ZigBee OpenThread BLE Multiprotocol EFR32MG24 Module
  • Matter ZigBee OpenThread BLE Multiprotocol EFR32MG24 Module
  • Matter ZigBee OpenThread BLE Multiprotocol EFR32MG24 Module
  • Matter ZigBee OpenThread BLE Multiprotocol EFR32MG24 Module
  • Matter ZigBee OpenThread BLE Multiprotocol EFR32MG24 Module

RF-BM-MG24B2I Matter ZigBee OpenThread BLE Multiprotocol EFR32MG24 Module

RF-BM-MG24B2I is designed based on Silicon Labs EFR32MG24 SoC. The low power, robust resources, up to 19.5 dBm TX power and the high security make the 2.4 GHz RF module popular in smart home and building applications. Select RF-BM-MG24B2I to start your design.

  • P/N:

    RF-BM-MG24B2I
  • SoC:

    EFR32MG24A420F1536IM48-B
  • Processor:

    32-bit 76.8 MHz ARM® Cortex®-M33
  • Protocols:

    Matter, OpenThread, ZigBee, Bluetooth 5.3 low energy, Bluetooth Mesh, 2.4 GHz proprietary, Multiprotocol
  • Working Frequency:

    2402 MHz ~ 2480 MHz
  • Package (mm):

    23.35 × 17.0 × 2.2, half-hole, 1.27 pitch, 36-pin
  • Features:

    Bluetooth Mesh network, Matter, High Security, High TX power
  • GPIO:

    30
  • Max. TX Power:

    19.5 dBm
  • Transmission Range:

    370 m

RF-BM-MG24B2I is a IoT wireless connectivity modules based on Silicon Labs EFR32MG24 series SoCs. The module is integrated a 39 MHz crystal and a 32.768 kHz crystal, up to 1536 KB programmable flash, and 256 KB RAM making it possible in many complex applications. Its 32-bit 78 MHz ARM® Cortex®-M33 core can operate at an extremely low current at flexible power modes. Its multiprotocol 2.4 GHz RF transceiver is compatible with Matter, OpenThread, Zigbee®, Bluetooth® 5.3 Low Energy, Bluetooth Mesh, and 2.4 GHz Proprietary. It features a small size, robust connection distance, and rigid reliability. Up to optional 10 dBm or 19.5 dBm TX power enables it in long range requirement applications. It features a small size, robust connection distance, and rigid reliability. 


Multiprotocol 2.4 GHz Transceiver

MG24B2I is 2.4GHz multi-protocol module, compatible with Matter, OpenThread, Zigbee®, Bluetooth® 5.3 Low Energy, Bluetooth Mesh, and 2.4 GHz Proprietary.

Rich Memory

The Bluetooth 5.3 module integrate a 39 MHz crystal and a 32.768 kHz crystal, up to 1536 KB programmable flash, and 256 KB RAM making it possible in many complex applications.

Wide Peripherals

30 GPIOs in stamp half-hole package are designed and rich peripherals such as Analog to Digital Converter, DMA, UART, RTC, I2C, Watchdog, PWM, etc, can be routed to any GPIO.

Max. TX Power

Up to 19.5 dBm TX power of the Matter Thread module gives you a great opportunity to develop long-range applications


Wireless SoC:

  • 32-bit 76.8 MHz ARM® Cortex®-M33
  • TX power:  +19.5 dBm
  • Sensitivity:
    • -105.4 dBm sensitivity @250 kbps O-QPSK DSSS
    • -105.7 dBm sensitivity @125 kbps GFSK
    • -97.6  dBm sensitivity @1 Mbps GFSK
    • -94.8  dBm sensitivity @2 Mbps GFSK
  • Memory
    • 1536 kB flash
    • 256 kB RAM
  • Data rate: 1 Mbps, 2 Mbps, 125kbps


Supported Modulation Format

  • 2(G)FSK with fully configurable shaping
  • OQPSK DSSS
  • (G)MSK


Protocol Support

  • Matter
  • OpenThread
  • ZigBee
  • Bluetooth Low Energy (Bluetooth 5.3)
  • Bluetooth mesh
  • Proprietary 2.4 GHz
  • Multiprotocol

Current Consumption:

  • 1.3 μA in EM2 deep sleep mode
  • 4.4 mA RX current (1 Mbps GFSK)
  • 5mA TX current @0 dBm output power
  • 19.1mA TX current @10 dBm output power
  • 156.8mA TX current @19.5 dBm output power

 

Operating Range:

  • Supply voltage range 2.2 V ~ 3.8 V; 1.8V
  • Working temperature range: -40 °C ~ +85 °C
  • Storing temperature range: -40 °C ~ +125 °C

 

Rich Peripherals:

  • 30 GPIOs
  • Analog to Digital Converter
  • Analog Comparator
  • Digital to Analog Converter
  • 8 Channel DMA Controller
  • 16 channel peripheral reflex system
  • USART: UART/SPI/ISO7816/IrDA/I2S
  • EUSART: UART/SPI/DALI/IrDA
  • I2C
  • RTC
  • I2C
  • RTC
  • Watchdog
  • PWM
Silicon Labs EFR32MG24 Series Wireless Modules
Part Number RF-BM-MG24B1 RF-BM-MG24B2 RF-BM-MG24B2I
Photo RF-BM-MG24B1 RF-BM-MG24B2
IC EFR32MG24A410F1536IM48-B
EFR32MG24A420F1536IM48-B
EFR32MG24A420F1536IM48-B
Core 76.8 MHz ARM® Cortex®-M33 76.8 MHz ARM® Cortex®-M33 76.8 MHz ARM® Cortex®-M33
Antenna
PCB onboard antenna
PCB onboard antenna
IPEX Connector or Half-hole ANT RF Pin
RAM 256 KB 256 KB 256 KB
Flash 1536 KB 1536 KB 1536 KB
Protocols
Matter, OpenThread, Zigbee®, Bluetooth® 5.3 Low Energy, Bluetooth Mesh,
Proprietary 2.4 GHz
Matter, OpenThread, Zigbee®, Bluetooth® 5.3 Low Energy, Bluetooth Mesh,
Proprietary 2.4 GHz
Matter, OpenThread, Zigbee®, Bluetooth® 5.3 Low Energy, Bluetooth Mesh,
Proprietary 2.4 GHz
Power Supply
2.2 V ~ 3.8 V (DC-DC mode)
1.8 V ~ 3.8 V (Bypass mode)
3.3 V is recommended
2.2 V ~ 3.8 V (DC-DC mode)
1.8 V ~ 3.8 V (Bypass mode)
3.3 V is recommended
2.2 V ~ 3.8 V (DC-DC mode)
1.8 V ~ 3.8 V (Bypass mode)
3.3 V is recommended
Frequency 2.4 GHz 2.4 GHz 2.4 GHz
Max. TX Power +10 dBm +19.5 dBm +19.5 dBm
Receiving Sensitivity
-105.4 dBm sensitivity @ 250 kbps O-QPSK DSSS
-105.7 dBm sensitivity @ 125 kbps GFSK
-97.6 dBm sensitivity @ 1 Mbps GFSK
-94.8 dBm sensitivity @ 2 Mbps GFSK
-105.4 dBm sensitivity @ 250 kbps O-QPSK DSSS
-105.7 dBm sensitivity @ 125 kbps GFSK
-97.6 dBm sensitivity @ 1 Mbps GFSK
-94.8 dBm sensitivity @ 2 Mbps GFSK
-105.4 dBm sensitivity @ 250 kbps O-QPSK DSSS
-105.7 dBm sensitivity @ 125 kbps GFSK
-97.6 dBm sensitivity @ 1 Mbps GFSK
-94.8 dBm sensitivity @ 2 Mbps GFSK
GPIO 30 30 30
Working Temperature -40 ℃ ~ +85 ℃ -40 ℃ ~ +85 ℃ -40 ℃ ~ +85 ℃
Storage Temperature -40 ℃ ~ +125 ℃ -40 ℃ ~ +125 ℃ -40 ℃ ~ +125 ℃
Dimension (mm) 23.35 x 17.0 x 2.1 23.35 x 17.0 x 2.1 23.35 x 17.0 x 2.2
Package
SMT packaging (1.27-mm half-hole pitch stamp stick)
SMT packaging (1.27-mm half-hole pitch stamp stick)
SMT packaging (1.27-mm half-hole pitch stamp stick)
OTA
Bluetooth Mesh
Long Range
2Mbps PHY
AoA/AoD
UART Protocol N/A N/A N/A
Functions Support Matter, Rich resources Support Matter, Rich resources, High TX power Support Matter, Rich resources, High TX power
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