u-blox: NORA-B20 Stand-Alone Bluetooth 5.4 Low Energy Module

The u-blox NORA-B2 series delivers ultra-low power Bluetooth® Low Energy (LE) connectivity for IoT applications, offering professional-grade performance with support for Thread, Zigbee, and Matter.

Built around a high-performance Arm Cortex-M33 processor, the NORA-B2 modules are designed for demanding applications that require robust security and precise ranging capabilities. With PSA Certified Level 3 security and tamper detection, they ensure trusted communication in critical IoT environments.


Key Features

  • Ultra-low power Bluetooth® LE for energy-efficient IoT applications
  • Supports Thread, Zigbee, and Matter for flexible connectivity
  • High-performance Arm Cortex-M33 for advanced processing needs
  • PSA Certified Level 3 security with built-in tamper detection
  • Bluetooth® Core 6.0 compliant, including Channel Sounding for accurate ranging
  • u-connect software for seamless integration and accelerated time to market
  • Multiple variants available:
    • Antenna pin version for external antenna flexibility
    • Embedded antenna version for space-constrained designs
  • Globally certified for streamlined deployment across markets


The NORA-B2 series is engineered to deliver secure, high-performance Bluetooth LE connectivity, making it the ideal choice for industrial, smart home, and wearable applications.

More Articles