EFR32BG21 Common Specs
Supported Protocols:
- Bluetooth 5.3
- Bluetooth Mesh
Regulatory Certifications:
- FCC
- CE
- ISED
- Others
Operating Range & Size:
- 1.8 V to 3.8 V, single supply
- Temperature Ranges:
- -40 °C to +105 °C (select devices)
- -40 °C to +125 °C (select devices)
- 15.5 mm × 22.5 mm × 2.2 mm
Wireless SoC:
- 2.4 GHz Radio
- Up to +12.5 dBm TX power
- ARM Cortex -M33 MCU Core
- 1024 kB Flash
- 96 kB RAM
Current Consumption:
- RX: 9.3 mA
- TX (0 dBm): 16.1 mA
- TX (12.5 dBm): 70 mA
- EM2 (Deep Sleep): 5.1 μA
MCU Peripherals:
- Up to 20 GPIO
- 12-bit 1 Msps SAR ADC
- 2 x Analog Comparator
- Low Energy UART
- 3 x USART (UART, SPI, IrDA, I2S)
- 2 x I²C
- Timers/Counters
- 8-channel DMA Controller
- 12-channel PRS
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 BGM210P family have access to the highest level of IoT security provided by Secure Vault.
BGM210PB Security Features:

Find the Right EFR32BG21 Series 2 Module
Select Columns
Part Number | Bluetooth 5 | Bluetooth Mesh | Bluetooth 5.3 | Secure Vault | Flash | RAM | TX Power (dBm) | GPIO | Antenna | Dimensions (mm) | MCU Core |
---|---|---|---|---|---|---|---|---|---|---|---|
2M PHY LE Long Range ADV Extensions | — | Yes | 1024 | 96 | 10 | 20 | Built-in and RF Pin | 12.9 x 15.0 x 2.2 | ARM Cortex-M33 | ||
2M PHY LE Long Range ADV Extensions | — | Yes | 1024 | 96 | 20 | 20 | Built-in and RF Pin | 12.9 x 15.0 x 2.2 | ARM Cortex-M33 | ||
2M PHY LE Long Range ADV Extensions | — | — | 1024 | 96 | 12.5 | 12 | Built-in | 15.5 x 22.5 x 2.2 | ARM Cortex-M33 | ||
2M PHY LE Long Range ADV Extensions | — | — | 1024 | 96 | 12.5 | 12 | Built-in | 15.5 x 22.5 x 2.2 | ARM Cortex-M33 | ||
2M PHY LE Long Range ADV Extensions | — | — | 1024 | 96 | 10 | 20 | Built-in and RF Pin | 12.9x15.0x2.2 | ARM Cortex-M33 | ||
2M PHY LE Long Range ADV Extensions | — | — | 1024 | 96 | 20 | 20 | Built-in and RF Pin | 12.9x15.0x2.2 | ARM Cortex-M33 |
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xGM210P Wireless Module Starter Kit
The xGM210P Wireless Gecko Starter Kit (SLWSTK6102A) includes everything needed to enable developers to create a mesh network and evaluate the xGM210P and xGM210L Series 2 Wireless Modules

xGM210P Wireless Module Starter Kit
The xGM210P Wireless Gecko Starter Kit (SLWSTK6102A) includes everything needed to enable developers to create a mesh network and evaluate the xGM210P and xGM210L Series 2 Wireless Modules