EFR32MG24 Module Specs
Low Power Wireless System-on-Chip
- 78 MHz ARM Cortex®-M33
- 1536 kB flash program memory
- 256 kB RAM data memory
- 2.4 GHz radio operation
Radio Performance
- MGM240P
- -106.0 dBm @ 250 kbps O-QPSK
- -98.5 dBm @ 1 Mbit/s GFSK
- Up to 19.9 dBm output power
- MGM240S
- -104.5 dBm @ 250 kbps O-QPSK
- -97.0 dBm @ 1 Mbit/s GFSK
- 10 dBm output power
Low System Energy Consumption
- 1.3 μA EM2 DeepSleep current
- 33.4 μA/MHz in Active Mode (EM0)
- MGM240P
- 5.2 mA RX current (250 kbps O-QPSK DSSS)
- 4.5 mA RX current (1 Mbps GFSK)
- 4.8 mA TX current @ 0 dBm
- MGM240S
- 5.9 mA RX current (250 kbps O-QPSK DSSS)
- 5.1 mA RX current (1 Mbps GFSK)
- 4.6 mA TX current @ 0 dBm
Wide Selection of MCU Peripherals
- 16-bit Analog to Digital Converter (ADC)
- 8 Channel DMA Controller
- 16 Channel Peripheral Reflex System (PRS)
- 3 × 16-bit Timer/Counter with 3 Compare/Capture/PWM channels
- 2 × 32-bit Timer/Counter with 3 Compare/Capture/PWM channels
- 32-bit Real Time Counter
- 24-bit Low Energy Timer for waveform generation
- 1 × Watchdog Timer
- 1 × Universal Synchronous/Asynchronous Receiver/Transmitter (UART/SPI/SmartCard (ISO 7816)/IrDA/I2S)
- 2 × Enhanced Universal Asynchronous Receiver/Transmitter (EUART) supporting UART/SPI/DALI/IrDA
- 2 × I2C interface with SMBus support
- Low-frequency RC Oscillator with precision mode to replace 32 kHz sleep crystal (LFRCO)
- Keypad scanner supporting up to 6 x 8 matrix (KEYSCAN)
Supported Modulation Format
- 2 (G)FSK with fully configurable shaping
- O-QPSK DSSS
Protocol Support
- Zigbee
- Thread
- Matter
- Bluetooth Low Energy 5.3
- 1 Mbps, 2 Mbps, Long Range
- Bluetooth mesh
Wide Operation Range
- 1.71 V to 3.8 V (MGM240P)
- 1.8 V to 3.8 V (MGM240S)
- -40 °C to 105 °C
Regulatory Certifications
- CE (EU)
- UKCA (UK)
- FCC (USA)
- ISEDC (Canada)
- MIC (Japan)
- KC (South Korea)
Dimensions
- 12.9 mm × 15.0 mm × 2.2 mm (MGM240P)
- 7 mm x 7mm x 1.18 mm (MGM240S)
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 wireless product portfolio including those in the MGM240 module portfolio have access to a number of technologies designed to protect their product, including Secure Debug, Secure Boot with Root of Trust & Secure Loader.
MGM240 Security Features
- Hardware Cryptographic Acceleration for AES128/192/256, ChaCha20-Poly1305, SHA-1, SHA-2/256/384/512, ECDSA+ECDH (P-192, P-256, P-384, P-521), Ed25519 and Curve25519, J-PAKE, PBKDF2
- True Random Number Generator (TRNG)
- ARM® TrustZone®
- Secure Boot (Root of Trust Secure Loader)
- Secure Debug Unlock
- DPA Countermeasures
- Secure Key Management with PUF
- Anti-Tamper Secure Attestation
Whitepaper: Preparing for Next-Gen Cyber Attacks on IoT
Find the Right MGM240 Module
Select Columns
| Part Number | MCU | Core Frequency (MHz) | Flash | RAM | Cryptography | Secure Vault | Output Power Range (dBm) | GPIO | Temperature Range ºC | Package Type | Antenna | Package Size (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ARM Cortex-M33 | 78 | 1536 | 256 | AES-128 AES-256 ECC SHA-1 SHA-2 | Mid | -24 10 | 26 | -40 105 | PCB | Built-in | 12.9x15.0x2.2 | |
| ARM Cortex-M33 | 78 | 1536 | 256 | AES-128 AES-256 ECC SHA-1 SHA-2 | Mid | -33.7 19.9 | 26 | -40 105 | PCB | Built-in | 12.9x15.0x2.2 | |
| ARM Cortex-M33 | 78 | 1536 | 256 | AES-128 AES-256 ECC SHA-1 SHA-2 | Mid | -33.7 19.9 | 26 | -40 105 | PCB | RF-Pin | 12.9x15.0x2.2 | |
| ARM Cortex-M33 | 78 | 1536 | 256 | AES-128 AES-256 ECC SHA-1 SHA-2 | High | -24 10 | 26 | -40 105 | PCB | Built-in | 12.9x15.0x2.2 | |
| ARM Cortex-M33 | 78 | 1536 | 256 | AES-128 AES-256 ECC SHA-1 SHA-2 | High | -33.7 19.9 | 26 | -40 105 | PCB | Built-in | 12.9x15.0x2.2 | |
| ARM Cortex-M33 | 78 | 1536 | 256 | AES-128 AES-256 ECC SHA-1 SHA-2 | High | -33.7 19.9 | 26 | -40 105 | PCB | RF-Pin | 12.9x15.0x2.2 | |
| ARM Cortex-M33 | 78 | 1536 | 256 | AES-128 AES-256 ECC SHA-1 SHA-2 | Mid | -29.1 10 | 32 | -40 105 | SiP | Built-in or RF PIn | 7x7x1.18 | |
| ARM Cortex-M33 | 78 | 1536 | 256 | AES-128 AES-256 ECC SHA-1 SHA-2 | High | -29.1 10 | 32 | -40 105 | SiP | Built-in or RF PIn | 7x7x1.18 |
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xGM240S +10 dBm SiP Module Radio Board
The xGM240S +10 dBm SiP Radio Board is designed work with the WSTK main board (not included) to support the development of 2.4 GHz Wireless IoT devices for protocols including Bluetooth LE, Bluetooth Mesh, Thread, Matter and Zigbee.
xGM240S +10 dBm SiP Module Radio Board
The xGM240S +10 dBm SiP Radio Board is designed work with the WSTK main board (not included) to support the development of 2.4 GHz Wireless IoT devices for protocols including Bluetooth LE, Bluetooth Mesh, Thread, Matter and Zigbee.
xGM240P +20 dBm Module Radio Board
The xGM240P +20 dBm Radio Board is designed work with the WSTK main board (not included) to support the development of 2.4 GHz Wireless IoT devices for protocols including Bluetooth LE, Bluetooth Mesh, Thread, Matter and Zigbee.
xGM240P +20 dBm Module Radio Board
The xGM240P +20 dBm Radio Board is designed work with the WSTK main board (not included) to support the development of 2.4 GHz Wireless IoT devices for protocols including Bluetooth LE, Bluetooth Mesh, Thread, Matter and Zigbee.
xGM240P +10 dBm Module Radio Board
The xGM240P +10 dBm Radio Board is designed work with the WSTK main board (not included) to support the development of 2.4 GHz Wireless IoT devices for protocols including Bluetooth LE, Bluetooth Mesh, Thread, Matter and Zigbee.
xGM240P +10 dBm Module Radio Board
The xGM240P +10 dBm Radio Board is designed work with the WSTK main board (not included) to support the development of 2.4 GHz Wireless IoT devices for protocols including Bluetooth LE, Bluetooth Mesh, Thread, Matter and Zigbee.