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  • EFR32BG24 Bluetooth Low Energy Module for Mesh networking
  • EFR32BG24 Bluetooth Low Energy Module for Mesh networking
  • EFR32BG24 Bluetooth Low Energy Module for Mesh networking
  • EFR32BG24 Bluetooth Low Energy Module for Mesh networking
  • EFR32BG24 Bluetooth Low Energy Module for Mesh networking

RF-BM-BG24B2 EFR32BG24 Bluetooth Low Energy Module

RF-BM-BG24B2 Bluetooth 5.3 LE module is designed based on Silicon Labs EFR32BG24 SoC. The Bluetooth mesh module is with up to 19.5 dBm TX power, which achieves a longer transmission coverage range for devices with metal enclosures or high shielding design. Choose RF-BM-BG24B2 to start your developing work.

  • P/N:

    RF-BM-BG24B2
  • SoC:

    EFR32BG24A020F1024IM48-B
  • Processor:

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

    Bluetooth 5.3 low energy, Bluetooth Mesh, 2.4 GHz proprietary, Bluetooth Direction Finding
  • 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, Angle of Arrival and Angel of Departure
  • GPIO:

    30
  • Max. TX Power:

    19.5 dBm
  • Transmission Range:

    360 m

RF-BM-BG24B2 is a BLE5.3 module based on Silicon Labs EFR32BG24 SoC. This EFR32BG24 module integrates a high-performance 32-bit 76.8 MHz ARM® Cortex®-M33 Core, 1024 KB flash and 128 KB RAM, two crystals, the matching circuit, the onboard PCB antenna and the related RF tuning circuit. 30 GPIOs and up to 19.5 dBm enable customers to design their firmware with complex network and application functions and reach the ideal communication range. The long range module supports the AoA/AoD direction finding, and Bluetooth Mesh. Its rich resources, high anti-interference, and high security render the high-performance RF module to be widely utilized in smart home, and portable medical devices and sensors.


 

Rich Memory

The Bluetooth 5.3 module integrate a 39 MHz crystal and a 32.768 kHz crystal, up to 1024 KB programmable flash, and 128 KB RAM making it possible in many complex applications.

Wide Peripherals

The same to BG24B1, RF-BM-BG24B2 module also provides30 GPIOs in stamp half-hole package and supports rich peripherals such as IADC, ACMP, VADC, LDMA, UART, SPI, I2C, Watchdog, etc.

Multiprotocol 2.4 GHz Transceiver

Based on Silicon Labs multiprotocol EFR32BG24 chipset, the 2.4GHz module is compatible with Bluetooth® 5.3 Low Energy, Bluetooth Mesh, and 2.4 GHz Proprietary, applying to many-to-many mesh nodes


Max. TX Power

With integrated power amplifier, the maxium TX power of the BG24 Bluetooth LE module is up to 19.5 dBm, to help you achieve a longer transmission range and a higher RF performance.

Related Resources:

Bluetooth Low Energy Wireless Modules over Silicon Labs EFR32BG24

Wireless SoC:

  • 32-bit 76.8 MHz ARM® Cortex®-M33
  • TX power:  +19.5 dBm
  • Sensitivity:
    • -105.7 dBm sensitivity @125 kbps GFSK
    • -97.6  dBm sensitivity @1 Mbps GFSK
    • -94.8  dBm sensitivity @2 Mbps GFSK
  • Memory
    • 1024 kB flash
    • 108 kB RAM
  • Data rate: 1 Mbps, 2 Mbps,125kps


Supported Modulation Format

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


Protocol Support

  • Bluetooth Low Energy (Bluetooth 5.3)
  • Direction finding using Angle-of-Arrival (AoA) and Angle-of-Departure (AoD)
  • Bluetooth mesh Low Power Node
  • Proprietary 2.4GHz

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
  • 156.8 mA 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 (PRS)
  • 3 × 16-bit Timer/Counter with 3 Compare/Capture/PWM channels (TIMER2/3/4)
  • 2 × 32-bit Timer/Counter with 3 Compare/Capture/PWM channels (TIMER0/1)
  • 2 × 32-bit Real Time Counter (SYSRTC/BURTC)
  • 24-bit Low Energy Timer for waveform generation (LETIMER)
  • 16-bit Pulse Counter with asynchronous operation (PCNT)
  • 2 × Watchdog Timer (WDOG)
  • UART/ISO7816/IrDA/I2S (USART)
  • UART/SPI/DALI/IrDA (EUART)
  • I2C
  • RTC
  • Watchdog


Silicon Labs EFR32BG24 Wireless Gecko Series BLE Modules
Part Number RF-BM-BG24B1 RF-BM-BG24B2
Photo RF-BM-BG24B1 RF-BM-BG24B2
IC EFR32BG24A010F1024IM48-B EFR32BG24A010F1024IM48-B
Core 76.8 MHz ARM® Cortex®-M33 76.8 MHz ARM® Cortex®-M33
Antenna PCB PCB
RAM 128 KB 128 KB
Flash 1024 KB 1024 KB
Protocols BLE5.3, Proprietary BLE5.3, Proprietary
Power Supply 2.2 V ~ 3.8 V, recommend to 3.3 V 2.2 V ~ 3.8 V, recommend to 3.3 V
Frequency 2.4 GHz 2.4 GHz
Max. TX Power +10 dBm +19.5 dBm
Receiving Sensitivity -105.7 dBm (125 kbps GFSK) -97.6 dBm (1 Mbit/s GFSK) -94.8 dBm (2 Mbit/s GFSK) -105.7 dBm (125 kbps GFSK) -97.6 dBm (1 Mbit/s GFSK) -94.8 dBm (2 Mbit/s GFSK)
GPIO 30 30
Working Temperature -40 ℃ ~ +85 ℃ -40 ℃ ~ +85 ℃
Storage Temperature -40 ℃ ~ +125 ℃ -40 ℃ ~ +125 ℃
Transmission Range 230 m @ 1M PHY 450 m @ LE CODE 360 m @ 1M PHY 600 m @ LE CODE
Dimension (mm) 23.35 x 17.0 x 2.2 23.35 x 17.0 x 2.2
Package 1.27-mm pitch half-hole 1.27-mm pitch half-hole
OTA
Bluetooth Mesh
Long Range
2Mbps PHY
AoA/AoD
UART Protocol N/A N/A
Functions Rich memory resource, Plenty of GPIOs Rich memory resource, High TX power
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