NORA-B2 series
Stand-alone Bluetooth® Low Energy modules
ANNA-B5 series
Stand-alone Bluetooth® LE module
Bluetooth LE module for size-constrained applications
- Ultra-compact SiP (6.5 x 6.5mm) with fully integrated antenna
- High performance Arm® Cortex®-M33 for demanding applications
- Qualified against Bluetooth Core 6.0, with Channel Sounding
- Thread, Zigbee®, NFC™, and Matter applications
- Advanced protection against security threats
- u‑connect software for accelerated time to market
- Global certification
Standard
Professional
Automotive
Product variants
ANNA-B501
Bluetooth LE module with open CPU and antenna pin for external antenna connection. Under development.
ANNA-B505
Bluetooth LE module with open CPU and internal antenna. Under development.
ANNA-B561
Bluetooth LE module with with u‑connectXpress software and antenna pin for external antenna connection. Under development.
ANNA-B565
Bluetooth LE module with u‑connectXpress software and internal antenna. Under development.
Related links
Product selection
Product description
Documentation & resources
| Product variants | ANNA-B501 | ANNA-B505 | ANNA-B561 | ANNA-B565 |
|---|---|---|---|---|
| Bluetooth qualifications | v6.0 (Bluetooth Low Energy) | |||
| Chip inside | nRF54L15 | |||
| Bluetooth low energy output power EIRP [dBm] | 10 | 9 | 10 | 9 |
| Bluetooth throughput [Mbit/s] | 1.4 | 0.8 | ||
| Operation mode | Standalone module open CPU | Standalone module u-connect | ||
| MCU | Arm Cortex-M33at 128 MHz | - | ||
| RAM [kB] | 256 kB | - | ||
| UART | ✓ | |||
| SPI | ✓ | - | ||
| I2C | ✓ | - | ||
| I2S | ✓ | - | ||
| NFC | ✓ | - | ||
| PWM | ✓ | - | ||
| GPIO | ✓ | - | ||
| ADC | ✓ | - | ||
| QDEC | ✓ | - | ||
| 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 | ✓ | |||
| Secure FOTA | ✓ | |||
| Simultaneous GATT server and client | ✓ | |||
| Supports customer applications | ✓ | - | ||
| Antennas | Antenna pin | Internal chip antenna | Antenna pin | Internal chip antenna |
| Dimensions [mm] | 6.5 x 6.5 x 1.2 | |||
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