EFR32MG21 Series 2 Modules

xGM210 Bluetooth, Zigbee and Thread multi-protocol modules feature an optimized form-factor with either an integrated chip or PCB antenna in a low profile for space-constrained IoT designs including smart lighting, HVAC, building and factory automation systems. The module is offered in two form factors:

  • The xGM210P designed in a traditional module form factor comes with chip antenna.
  • The xGM210L offers a custom form factor with a PCB trace antenna designed to simplify mounting inside LED bulb housings. The modules are designed to maximize wireless range, operate in higher temperature ratings, and come with extensive global regulatory certifications to deliver the perfect wireless solution for cost-sensitive, high-volume smart LED lightbulbs.

EFR32MG21 Series 2 Common Specs

Supported Protocols:

  • Zigbee
  • Thread
  • Bluetooth 5.1
  • Bluetooth Mesh
  • Multiprotocol (Zigbee +Bluetooth 5.1)

Regulatory Certifications:

  • FCC
  • CE
  • ISED

Operating Range & Size:

  • 1.8 V to 3.8 V, single supply
  • -40 °C to +125 °C
  • 12.9 mm × 15.0 mm × 2.2 mm

Wireless SoC:

  • 2.4 GHz Radio
  • Up to +20 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): 173 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
Find the Right EFR32MG21 Series 2 Module Select Columns
Select Columns
Part Number Protocols Supported Temperature Range ºC TX Power (dBm) Flash RAM GPIO Antenna Package Size (mm) MCU Core
Bluetooth 5.1 Zigbee Thread Multiprotocol -40 125 12.5 1024 96 12 Inverted-F PCB Trace 15.5 x 22.5 x 2.2 ARM Cortex-M33
Bluetooth 5.1 Zigbee Thread Multiprotocol -40 125 12.5 1024 96 12 Inverted-F PCB Trace 15.5 x 22.5 x 2.2 ARM Cortex-M33
Bluetooth 5.1 Zigbee Thread Multiprotocol -40 125 10 1024 96 20 Built-in and RF Pin 12.9 x 15.0 x 2.2 ARM Cortex-M33
Bluetooth 5.1 Zigbee Thread Multiprotocol -40 125 10 1024 96 Built-in and RF Pin 12.9 mm x 15.0 mm x 2.2 ARM Cortex-M33
Bluetooth 5.1 Zigbee Thread Multiprotocol -40 125 20 1024 96 20 Built-in and RF Pin 12.9 x 15.0 x 2.2 ARM Cortex-M33
Bluetooth 5.1 Zigbee Thread Multiprotocol -40 125 20 1024 96 Built-in and RF Pin 12.9 mm x 15.0 mm x 2.2 ARM Cortex-M33

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