
NORA-B1 series (open CPU)
Stand-alone Bluetooth 5.2 low energy modules
Stand-alone Bluetooth LE modules
Standard
Professional
Automotive
ALMA-B201
Professional grade Bluetooth LE module with nRF54LM20A (open CPU) and pin for external antenna.
Under development
ALMA-B206
Professional grade Bluetooth LE module with nRF54LM20A (open CPU) and internal PCB antenna.
Under development
ALMA-B211
Professional grade Bluetooth LE module with nRF54LM20B (open CPU) and pin for external antenna.
Under development
ALMA-B216
Professional grade Bluetooth LE module with nRF54LM20B (open CPU) and internal PCB antenna.
Under development
| Product variants | ALMA-B201 | ALMA-B206 | ALMA-B211 | ALMA-B216 |
|---|---|---|---|---|
| Bluetooth qualifications | 6.0 (Bluetooth Low Energy) | |||
| Chip inside | nRF54LM20A | nRF54LM20B | ||
| Bluetooth low energy output power EIRP [dBm] | 10 | |||
| Bluetooth throughput [Mbit/s] | 1.4 | |||
| Maximum Bluetooth range [m] | 1400 | |||
| Bluetooth profiles and services | Bluetooth GATT | |||
| Operation mode | Standalone module open CPU | |||
| MCU | Arm Cortex-M33 at 128 MHz | |||
| RAM [kB] | 512 kB | |||
| UART | ✓ | |||
| USB | ✓ | |||
| SPI | ✓ | |||
| I2C | ✓ | |||
| NFC | ✓ | |||
| PWM | ✓ | |||
| Maximum supply [V] | 3.6 | |||
| Minimum supply [V] | 1.7 | |||
| Maximum temperature [°C] | 85 | |||
| Minimum temperature [°C] | -40 | |||
| 802.15.4 Thread / Zigbee | ✓ | |||
| Arm TrustZone-M | ✓ | |||
| Bluetooth Channel Sounding | ✓ | |||
| Bluetooth high speed (LE 2M PHY) | ✓ | |||
| Bluetooth long range (coded PHY) | ✓ | |||
| Matter | ✓ | |||
| Secure boot and updates | ✓ | |||
| Neural Processing Unit (NPU) | - | ✓ | ||
| Antennas | Antenna pin | Internal PCB antenna | Antenna pin | Internal PCB antenna |
| Dimensions [mm] | 10.4 x 11.2 x 1.9 | 10.4 x 14.3 x 1.9 | 10.4 x 11.2 x 1.9 | 10.4 x 14.3 x 1.9 |