Silicon LabsBGM240SA22VNA2RBluetooth

BGM240S Bluetooth Modules

BGM240 is a family of certified 2.4 GHz wireless modules optimized for battery-powered IoT devices. Based on the EFR32BG24 SoCs, the modules support Bluetooth Low Energy and Bluetooth mesh, delivering exceptional RF performance, energy efficiency and industry-leading security with Secure Vault® technology. The BGM240 modules provide global regulatory certifications and support advanced development and debugging tools that simplify development and speeds time to market.

Key Features and Benefits:

• 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
• •  BGM240S
• •  -105.1 dBm @ 125 kbps GFSK
• •  -94.3 dBm @ 2 Mbps GFSK
• •  10 dBm output power


• Low System Energy Consumption
• •  1.3 μA EM2 DeepSleep current
• •  33.4 μA/MHz in Active Mode (EM0)
• •  BGM240S
• •  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)
• •  2 (G)FSK with fully configurable shaping


• Supported Modulation Format
• •  2 (G)FSK with fully configurable shaping


• Protocol Support
• •  Bluetooth Low Energy 5.4
• •  Bluetooth mesh


• Wide Operation Range
• •  1.8 V to 3.8 V (BGM240P)
• •  1.8 V to 3.8 V (BGM240S)
• •  -40 °C to 105 °C


• Regulatory Certifications
• •  CE (EU)
• •  UKCA (UK)
• •  FCC (USA)
• •  ISED (Canada)
• •  MIC (Japan)
• •  KC (South Korea)


• Dimensions
• •  12.9 mm x 15.0 mm x 2.2 mm (BGM240P)
• •  7 mm x 7mm x 1.18 mm (BGM240S)


• BGM240 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

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