NORA-B1 series (open CPU)
Stand-alone Bluetooth 5.2 low energy modules
ALMA-B1 series (open CPU)
Stand-alone Bluetooth 5.4 Low Energy modules
High-performance quad-core wireless MCU with Bluetooth® 5.4, Thread, Matter, and NFC
- Highly efficient 4th generation Nordic SoC nRF54H20
- Superior processing power with dual Arm Cortex-M33 and dual RISC-V up to 320 MHz
- 2 MB non-volatile memory, 1 MB RAM
- High-performance internal antenna or antenna pin
- Compact size with access to all nRF54H20 features
- Global certification
Standard
Professional
Automotive
Product variants
ALMA-B101
Bluetooth low energy module with open CPU and pin for external antenna. Under development
ALMA-B106
Bluetooth low energy module with open CPU and internal PCB antenna. Under development
Related links
Product selection
Product description
Documentation & resources
| Product variants | ALMA-B101 | ALMA-B106 |
|---|---|---|
| Bluetooth qualifications | v5.4 (Bluetooth Low Energy) | |
| Chip inside | nRF54H20 | |
| Bluetooth low energy output power EIRP [dBm] | 13 | |
| Maximum range [m] | 1400 | |
| MCU | Dual-core Arm® Cortex®-M33, Dual-core RISC-V | |
| RAM [kB] | 1 MB | |
| UART x 8 | ✓ | |
| USB | ✓ | |
| SPI x 8 | ✓ | |
| I2C x 8 | ✓ | |
| I2S x 2 | ✓ | |
| PDM | ✓ | |
| CAN | ✓ | |
| GPIO x 64 | ✓ | |
| ADC x 14 | ✓ | |
| I3C x 2 | ✓ | |
| PWM x 4 | ✓ | |
| QDEC x 2 | ✓ | |
| TWI (I2C compatible) x 8 | ✓ | |
| Maximum supply [V] | 5.5 | |
| Minimum supply [V] | 1.7 | |
| Maximum temperature [°C] | 105 | |
| Minimum temperature [°C] | -40 | |
| Arm TrustZone-M | ✓ | |
| Bluetooth long range (coded PHY) | ✓ | |
| Bluetooth mesh | ✓ | |
| Direction finding (AoA/AoD) | ✓ | |
| FOTA | ✓ | |
| LE audio | ✓ | |
| Matter | ✓ | |
| Secure boot and updates | ✓ | |
| Security Root of Trust | ✓ | |
| Simultaneous GATT server and client | ✓ | |
| Antennas | Antenna pin | Internal PCB antenna |
| Dimensions [mm] | 10.4 x 11.2 x 1.9 | 10.4 x 14.3 x 1.9 |
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