EFR32MG21 Series
Key Features
ZigBee and BLE support
Receiver sensitivity: -104 dBm
Transmit power: up to +20 dBm
Overview
This module is a complete ZigBee solution based on the Silicon Labs EFR32MG21A020F512IM32-B chipset. It supports the IEEE 802.15.4 wireless communication protocol and operates in the 2.4GHz–2.5GHz frequency range. Featuring 512KB Flash memory and 64KB RAM, the module delivers data rates of up to 250Kbps for reliable and efficient wireless connectivity.
Specifications
| Protocol | ZigBee/BLE5.0 |
| Frequency | 2.4GHz |
| Interface | UART/JLINK/I2C.eTC |
| Main Chip | EFR32MG21A020F512IM32-B |
| Module Size | 20.0×12.0×2.6 mm |
| Supply Voltage | 3.0V ~ 3.6V (Typ.3.3V) |
| Operating Temp. | -40°C ~ +105°C |
| TX Power | +20dBm |
| Flash | 512kB |
| SRAM/RAM | 64kB |
| Antenna Type | Antenna Options: Built-in PCB Antenna External Antenna (IPEX) |
FAQs
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