Network and Communication Chips from RS Components, Ltd.


1242551 -- View Larger Image

The MGM111 module, based on the EFR32 Mighty Gecko SoC, enables rapid development of a wireless mesh network using ZigBee/Thread protocols.
• EFR32 Mighty Gecko radio SoC with 40MHz ARM Cortex-M4F core, 256KB Flash memory and 32KB SRAM,• RF Frequency Range: 2400 to 2483MHz ISM Band,• RF Output Power: up to +10dBm,• Modulation: OQPSK with DSSS,• Receiver Sensitivity: -99dBm @ 1% PER,• OTA Data Rate: Up to 250kbps,• Hardware Crypto Accelerator supports AES-128/256, ECC over GF(P) and GF(2^m), SHA-224/256,• True Random Number Generator,• Packet Trace Interface (PTI) for non-intrusive packet trace with Simplicity Studio development tools,• Can operate stand-alone or with a host processor via UART/SPI,• 25 x GPIO,• 2 x USART (UART, SPI, IrDA, I²S) and Low Energy UART (LEUARTâ„¢),• I²C bus interface,• 12-channel Peripheral Reflex System (PRS),• Real-Time Clock,• 12-bit 1Msps ADC,• Current-mode DAC,• 2 x Analogue Comparators,• Energy Management Unit (EMU),• Chip antenna,• Power supply: +1.85 to +3.8Vdc,• Operating Temperature Range: -40 to +85°C,• Dimensions: 12.9 x 15.0 x 2.2mm,• Applications: Connected Home, Building Automation, Lighting, Security & Monitoring, Smart Grid / Metering, Industrial Automation. , Communication for the Internet of Things (IoT)
124-2551 MGM111A256V1 Non-certified module with chip antenna. 124-2552 MGM111A256V2 Fully-certified module with chip antenna
Supply Voltage = 1.85 - 3.8V


Silicon Labs
Manufacturer Part Number
Product Category
Network and Communication Chips
Supply Voltage
2.7V; 2.5V; 3V; 3.3V; 3.6V; Other; 1.85 - 3.8V
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